Adding upstream version 4.2.upstream/4.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

133 files changed, 6608 insertions, 0 deletions

diff --git a/test b/test
new file mode 100755
index 0000000..711a3c7
--- /dev/null
+++ b/test
@@ -0,0 +1,283 @@
+#!/bin/bash
+#
+# run test suite for mdadm
+mdadm=$PWD/mdadm
+targetdir="/var/tmp"
+logdir="$targetdir"
+config=/tmp/mdadm.conf
+testdir=$PWD/tests
+devlist=
+
+savelogs=0
+exitonerror=1
+prefix='[0-9][0-9]'
+
+# use loop devices by default if doesn't specify --dev
+DEVTYPE=loop
+INTEGRITY=yes
+LVM_VOLGROUP=mdtest
+
+# make sure to test local mdmon, not system one
+export MDADM_NO_SYSTEMCTL=1
+
+# assume md0, md1, md2 exist in /dev
+md0=/dev/md0
+md1=/dev/md1
+md2=/dev/md2
+mdp0=/dev/md_d0
+mdp1=/dev/md_d1
+
+die() {
+	echo -e "\n\tERROR: $* \n"
+	save_log fail
+	exit 2
+}
+
+ctrl_c() {
+	exitonerror=1
+}
+
+# mdadm always adds --quiet, and we want to see any unexpected messages
+mdadm() {
+	rm -f $targetdir/stderr
+	case $* in
+	*-S* )
+		udevadm settle
+		p=`cat /proc/sys/dev/raid/speed_limit_max`
+		echo 20000 > /proc/sys/dev/raid/speed_limit_max
+		;;
+	esac
+	case $* in
+	*-C* | *--create* | *-B* | *--build* )
+		# clear superblock every time once creating or
+		# building arrays, because it's always creating
+		# and building array many times in a test case.
+		for args in $*
+		do
+			[[ $args =~ "/dev/" ]] && {
+				[[ $args =~ "md" ]] ||
+					$mdadm --zero $args > /dev/null
+			}
+		done
+		$mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes
+		;;
+	* )
+		$mdadm 2> $targetdir/stderr --quiet "$@"
+		;;
+	esac
+	rv=$?
+	case $* in
+	*-S* )
+		udevadm settle
+		echo $p > /proc/sys/dev/raid/speed_limit_max
+		;;
+	esac
+	cat >&2 $targetdir/stderr
+	return $rv
+}
+
+do_test() {
+	_script=$1
+	_basename=`basename $_script`
+	if [ -f "$_script" ]
+	then
+		rm -f $targetdir/stderr
+		# this might have been reset: restore the default.
+		echo 2000 > /proc/sys/dev/raid/speed_limit_max
+		do_clean
+		# source script in a subshell, so it has access to our
+		# namespace, but cannot change it.
+		echo -ne "$_script... "
+		if ( set -ex ; . $_script ) &> $targetdir/log
+		then
+			dmesg | grep -iq "error\|call trace\|segfault" &&
+				die "dmesg prints errors when testing $_basename!"
+			echo "succeeded"
+			_fail=0
+		else
+			save_log fail
+			_fail=1
+		fi
+		[ "$savelogs" == "1" ] &&
+			mv -f $targetdir/log $logdir/$_basename.log
+		[ "$_fail" == "1" -a "$exitonerror" == "1" ] && exit 1
+	fi
+}
+
+do_help() {
+	cat <<-EOF
+	Usage: $0 [options]
+	Example for disk mode: ./test --dev=disk --disks=/dev/sda{2..15}
+	Options:
+		--tests=test1,test2,...     Comma separated list of tests to run
+		--testdir=                  Specify testdir as tests|clustermd_tests
+		--raidtype=                 raid0|linear|raid1|raid456|raid10|ddf|imsm
+		--disable-multipath         Disable any tests involving multipath
+		--disable-integrity         Disable slow tests of RAID[56] consistency
+		--logdir=directory          Directory to save all logfiles in
+		--save-logs                 Usually use with --logdir together
+		--keep-going | --no-error   Don't stop on error, ie. run all tests
+		--dev=loop|lvm|ram|disk     Use loop devices (default), LVM, RAM or disk
+		--disks=                    Provide a bunch of physical devices for test
+		--volgroup=name             LVM volume group for LVM test
+		setup                       Setup test environment and exit
+		cleanup                     Cleanup test environment
+		prefix                      Run tests with <prefix>
+		--help | -h                 Print this usage
+	EOF
+}
+
+parse_args() {
+	for i in $*
+	do
+		case $i in
+		--testdir=* )
+			case ${i##*=} in
+			tests )
+				testdir=tests
+			;;
+			clustermd_tests )
+				testdir=clustermd_tests
+				CLUSTER_CONF="$PWD/$testdir/cluster_conf"
+			;;
+			* )
+				echo "Unknown argument: $i"
+				do_help
+				exit 1
+			;;
+			esac
+		;;
+		esac
+	done
+	[ -z "$testdir" ] && testdir=tests
+	. $testdir/func.sh
+	for i in $*
+	do
+		case $i in
+		[0-9][0-9] )
+			prefix=$i
+			;;
+		setup )
+			echo "mdadm test environment setup"
+			do_setup
+			trap 0
+			exit 0
+			;;
+		cleanup )
+			cleanup
+			exit 0
+			;;
+		--testdir=* )
+			;;
+		--tests=* )
+			TESTLIST=($(echo ${i##*=} | sed -e 's/,/ /g'))
+			;;
+		--raidtype=* )
+			case ${i##*=} in
+			raid0 )
+				TESTLIST=($(ls $testdir | grep "[0-9][0-9]r0\|raid0"))
+				;;
+			linear )
+				TESTLIST=($(ls $testdir | grep "linear"))
+				;;
+			raid1 )
+				TESTLIST=($(ls $testdir | grep "[0-9][0-9]r1\|raid1" | grep -vi "r10\|raid10"))
+				;;
+			raid456 )
+				TESTLIST=($(ls $testdir | grep "[0-9][0-9]r[4-6]\|raid[4-6]"))
+				;;
+			raid10 )
+				TESTLIST=($(ls $testdir | grep "[0-9][0-9]r10\|raid10"))
+				;;
+			ddf )
+				TESTLIST=($(ls $testdir | grep "[0-9][0-9]ddf"))
+				;;
+			imsm )
+				TESTLIST=($(ls $testdir | grep "[0-9][0-9]imsm"))
+				;;
+			* )
+				echo "Unknown argument: $i"
+				do_help
+				exit 1
+				;;
+			esac
+			;;
+		--logdir=* )
+			logdir="${i##*=}"
+			;;
+		--save-logs )
+			savelogs=1
+			;;
+		--keep-going | --no-error )
+			exitonerror=0
+			;;
+		--disable-multipath )
+			unset MULTIPATH
+			;;
+		--disable-integrity )
+			unset INTEGRITY
+			;;
+		--dev=* )
+			case ${i##*=} in
+			loop )
+				DEVTYPE=loop
+				;;
+			lvm )
+				DEVTYPE=lvm
+				;;
+			ram )
+				DEVTYPE=ram
+				;;
+			disk )
+				DEVTYPE=disk
+				;;
+			* )
+				echo "Unknown argument: $i"
+				do_help
+				exit 1
+				;;
+			esac
+			;;
+		--disks=* )
+			disks=(${disks[*]} ${i##*=})
+			;;
+		--volgroup=* )
+			LVM_VOLGROUP=`expr "x$i" : 'x[^=]*=\(.*\)'`
+			;;
+		--help | -h )
+			do_help
+			exit 0
+			;;
+		* )
+			echo " $0: Unknown argument: $i"
+			do_help
+			exit 1
+			;;
+		esac
+	done
+}
+
+main() {
+	do_setup
+
+	echo "Testing on linux-$(uname -r) kernel"
+	[ "$savelogs" == "1" ] &&
+		echo "Saving logs to $logdir"
+	if [ "x$TESTLIST" != "x" ]
+	then
+		for script in ${TESTLIST[@]}
+		do
+			do_test $testdir/$script
+		done
+	else
+		for script in $testdir/$prefix $testdir/$prefix*[^~]
+		do
+			do_test $script
+		done
+	fi
+
+	exit 0
+}
+
+parse_args $@
+main
diff --git a/tests/00linear b/tests/00linear
new file mode 100644
index 0000000..e3ac655
--- /dev/null
+++ b/tests/00linear
@@ -0,0 +1,25 @@
+
+# create a simple linear
+
+mdadm -CR $md0 -l linear -n3 $dev0 $dev1 $dev2
+check linear
+testdev $md0 3 $mdsize2_l 1
+mdadm -S $md0
+
+# now with version-0.90 superblock
+mdadm -CR $md0 -e0.90 --level=linear -n4 $dev0 $dev1 $dev2 $dev3
+check linear
+testdev $md0 4 $mdsize0 1
+mdadm -S $md0
+
+# now with version-1.0 superblock
+mdadm -CR $md0 -e1.0 --level=linear -n4 $dev0 $dev1 $dev2 $dev3
+check linear
+testdev $md0 4 $mdsize1 1
+mdadm -S $md0
+
+# now with no superblock
+mdadm -B $md0 -l linear -n5 $dev0 $dev1 $dev2 $dev3 $dev4
+check linear
+testdev $md0 5 $size 64
+mdadm -S $md0
diff --git a/tests/00multipath b/tests/00multipath
new file mode 100644
index 0000000..84e4d69
--- /dev/null
+++ b/tests/00multipath
@@ -0,0 +1,29 @@
+
+#
+# create a multipath, and fail and stuff
+
+if [ "$MULTIPATH" != "yes" ]; then
+  echo -ne 'skipping... '
+  exit 0
+fi
+
+mdadm -CR $md1 -l multipath -n2 $path0 $path1
+
+testdev $md1 1 $mdsize12 1
+
+mdadm $md1 -f $path0
+rotest $md1
+testdev $md1 1 $mdsize12 1
+
+mdadm $md1 -r $path0
+mdadm $md1 -a $path0
+
+rotest $md1
+testdev $md1 1 $mdsize12 1
+
+mdadm $md1 -f $path1
+mdadm $md1 -r $path1
+rotest $md1
+testdev $md1 1 $mdsize12 1
+
+mdadm -S $md1
diff --git a/tests/00names b/tests/00names
new file mode 100644
index 0000000..7a066d8
--- /dev/null
+++ b/tests/00names
@@ -0,0 +1,13 @@
+set -x -e
+
+# create arrays with non-numeric names
+conf=$targetdir/mdadm.conf
+echo "CREATE names=yes" > $conf
+
+for i in linear raid0 raid1 raid4 raid5 raid6
+do
+  mdadm -CR --config $conf /dev/md/$i -l $i -n 4 $dev4 $dev3 $dev2 $dev1
+  check $i
+  [ -d /sys/class/block/md_$i/md ]
+  mdadm -S md_$i
+done
diff --git a/tests/00raid0 b/tests/00raid0
new file mode 100644
index 0000000..8bc1898
--- /dev/null
+++ b/tests/00raid0
@@ -0,0 +1,43 @@
+
+# create a simple raid0
+
+mdadm -CR $md0 -l raid0 -n3 $dev0 $dev1 $dev2
+check raid0
+testdev $md0 3 $mdsize2_l 512
+mdadm -S $md0
+
+# now with version-0.90 superblock
+mdadm -CR $md0 -e0.90 -l0 -n4 $dev0 $dev1 $dev2 $dev3
+check raid0
+testdev $md0 4 $mdsize0 512
+mdadm -S $md0
+
+# now with no superblock
+mdadm -B $md0 -l0 -n5 $dev0 $dev1 $dev2 $dev3 $dev4
+check raid0
+testdev $md0 5 $size 512
+mdadm -S $md0
+
+
+# now same again with different chunk size
+for chunk in 4 32 256
+do
+  mdadm -CR $md0 -e0.90 -l raid0 --chunk $chunk -n3 $dev0 $dev1 $dev2
+  check raid0
+  testdev $md0 3 $mdsize0 $chunk
+  mdadm -S $md0
+
+  # now with version-1 superblock
+  mdadm -CR $md0 -e1.0 -l0 -c $chunk -n4 $dev0 $dev1 $dev2 $dev3
+  check raid0
+  testdev $md0 4 $mdsize1 $chunk
+  mdadm -S $md0
+
+  # now with no superblock
+  mdadm -B $md0 -l0 -n5 --chun=$chunk $dev0 $dev1 $dev2 $dev3 $dev4
+  check raid0
+  testdev $md0 5 $size $chunk
+  mdadm -S $md0
+
+done
+exit 0
diff --git a/tests/00raid1 b/tests/00raid1
new file mode 100644
index 0000000..f6b8be1
--- /dev/null
+++ b/tests/00raid1
@@ -0,0 +1,38 @@
+
+# create a simple mirror
+# test version0, version1, and no super
+# test resync and recovery.
+
+# It's just a sanity check. This command shouldn't run successfully
+mdadm -CR $md0 -l 1 -n2 missing missing
+check opposite_result
+
+mdadm -CR $md0 -l 1 -n2 $dev0 $dev1
+check resync
+check raid1
+testdev $md0 1 $mdsize1a 64
+mdadm -S $md0
+
+# now with version-0.90 superblock, spare
+mdadm -CR $md0 -e0.90 --level=raid1 -n3 -x2 $dev0 missing missing $dev1 $dev2
+check recovery
+check raid1
+testdev $md0 1 $mdsize0 64
+mdadm -S $md0
+
+# now with no superblock
+mdadm -B $md0 -l mirror  -n2 $dev0 $dev1
+check resync
+check raid1
+testdev $md0 1 $size 1
+mdadm -S $md0
+
+# again, but with no resync
+mdadm -B $md0 -l 1 --assume-clean -n2 $dev0 $dev1
+check raid1
+check nosync
+testdev $md0 1 $size 1
+mdadm -S $md0
+
+
+exit 0
diff --git a/tests/00raid10 b/tests/00raid10
new file mode 100644
index 0000000..796b970
--- /dev/null
+++ b/tests/00raid10
@@ -0,0 +1,18 @@
+
+# Create some raid10 arrays, all with 6 devices and one spare
+devs="$dev0 $dev1 $dev2 $dev3 $dev4 $dev5 $dev6"
+
+for lo in n2 n3 f2 f3
+do
+ cm=1
+ case $lo in
+   f2 ) m=3 cm=2;;
+   f3 ) m=2 cm=3;;
+   n2 ) m=3;;
+   n3 ) m=2;;
+ esac
+ mdadm --create --run --level=raid10 --layout $lo --raid-disks 6 -x 1 $md0 $devs
+ check resync ; check raid10
+ testdev $md0 $m $mdsize1 $[512*cm]
+ mdadm -S $md0
+done
diff --git a/tests/00raid4 b/tests/00raid4
new file mode 100644
index 0000000..00a14f2
--- /dev/null
+++ b/tests/00raid4
@@ -0,0 +1,16 @@
+
+# create a simple raid4 set
+
+mdadm -CfR $md0 -l 4 -n3 $dev0 $dev1 $dev2
+check resync ; check raid[45]
+testdev $md0 2 $mdsize1 512
+mdadm -S $md0
+
+# now with version-1 superblock
+mdadm -CR $md0 -e1 --level=raid4 -n4 $dev0 $dev1 $dev2 $dev3
+check recovery; check raid[45]
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
+
+
+exit 0
diff --git a/tests/00raid5 b/tests/00raid5
new file mode 100644
index 0000000..b2b7a97
--- /dev/null
+++ b/tests/00raid5
@@ -0,0 +1,33 @@
+
+# create a simple raid5 set
+
+mdadm -CfR $md0 -e 0.90 -l 5 -n3 $dev0 $dev1 $dev2
+check resync
+testdev $md0 2 $mdsize0 512
+mdadm -S $md0
+
+# now with version-1 superblock
+mdadm -CR $md0 -e1 --level=raid5 -n4 $dev0 $dev1 $dev2 $dev3
+check recovery
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
+
+# now same again with explicit layout
+
+for lo in la ra left-symmetric right-symmetric
+do
+
+  mdadm -CfR $md0  -l 5 -p $lo -n3 $dev0 $dev1 $dev2
+  check resync ; check raid5
+  testdev $md0 2 $mdsize1 512
+  mdadm -S $md0
+
+  # now with version-1 superblock
+  mdadm -CR $md0 -e1 --level=raid5 --layout $lo -n4 $dev0 $dev1 $dev2 $dev3
+  check recovery ; check raid5
+  testdev $md0 3 $mdsize1 512
+  mdadm -S $md0
+
+done
+
+exit 0
diff --git a/tests/00raid6 b/tests/00raid6
new file mode 100644
index 0000000..6977af9
--- /dev/null
+++ b/tests/00raid6
@@ -0,0 +1,16 @@
+
+# create a simple raid6 set
+
+mdadm -CfR $md0 -e0.90 -l 6 -n4 $dev0 $dev1 $dev2 $dev3
+check resync ; check raid6
+testdev $md0 2 $mdsize0 512
+mdadm -S $md0
+
+# now with version-1 superblock
+mdadm -CR $md0 -e1 --level=raid6 -n5 $dev0 $dev1 $dev2 $dev3 $dev4
+check resync ; check raid6
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
+
+
+exit 0
diff --git a/tests/00readonly b/tests/00readonly
new file mode 100644
index 0000000..28b0fa1
--- /dev/null
+++ b/tests/00readonly
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+for metadata in 0.9 1.0 1.1 1.2
+do
+	for level in linear raid0 raid1 raid4 raid5 raid6 raid10
+	do
+		mdadm -CR $md0 -l $level -n 4 --metadata=$metadata \
+			$dev1 $dev2 $dev3 $dev4 --assume-clean
+		check nosync
+		check $level
+		mdadm -ro $md0
+		check readonly
+		state=$(cat /sys/block/md0/md/array_state)
+		[ "$state" == "readonly" ] ||
+			die "array_state should be 'readonly', but is $state"
+		mdadm -w $md0
+		check $level
+		mdadm -S $md0
+	done
+done
+
+exit 0
diff --git a/tests/01r1fail b/tests/01r1fail
new file mode 100644
index 0000000..389b813
--- /dev/null
+++ b/tests/01r1fail
@@ -0,0 +1,29 @@
+
+# create a raid1, fail and remove a drive during initial sync
+# Add two more, fail and remove one
+# wait for sync to complete, fail, remove, re-add
+
+mdadm -CR $md0 -l1 -n4 $dev0 $dev1 $dev2 missing
+check resync
+mdadm $md0 --fail $dev2
+check resync
+mdadm $md0 --fail $dev1
+sleep 1
+check nosync
+check state U___
+mdadm $md0 --add $dev4 $dev3
+check recovery
+# there could be two separate recoveries, one for each dev
+check wait
+check wait
+mdadm $md0 --remove $dev2 $dev1
+check nosync
+check state UUU_
+
+mdadm --zero-superblock $dev2
+mdadm $md0 -a $dev2
+check recovery
+check wait
+check state UUUU
+
+mdadm -S $md0
diff --git a/tests/01r5fail b/tests/01r5fail
new file mode 100644
index 0000000..873dba5
--- /dev/null
+++ b/tests/01r5fail
@@ -0,0 +1,27 @@
+
+
+# create a raid5, fail and remove a drive during initial sync
+# Add two more, fail and remove one
+# wait for sync to complete, fail, remove, re-add
+
+mdadm -CR $md0 -l5 -n4 $dev0 $dev1 $dev2 $dev3
+check recovery
+mdadm $md0 --fail $dev3
+sleep 1
+check nosync
+check state UUU_
+
+mdadm $md0 --add $dev4 $dev5
+check recovery
+check wait
+mdadm $md0 --fail $dev0
+mdadm $md0 --remove $dev3 $dev0
+check recovery
+check state _UUU
+
+mdadm $md0 -a $dev3
+check recovery
+check wait
+check state UUUU
+
+mdadm -S $md0
\ No newline at end of file
diff --git a/tests/01r5integ b/tests/01r5integ
new file mode 100644
index 0000000..48676a2
--- /dev/null
+++ b/tests/01r5integ
@@ -0,0 +1,33 @@
+
+# Check integrity of raid5 in degraded mode
+# Create a 4 disk raid5, create a filesystem and
+# sha1sum it with each device failed
+
+if [ "$INTEGRITY" != "yes" ]; then
+  echo -ne 'skipping... '
+  exit 0
+fi
+
+for layout in ls rs la ra
+do
+  mdadm -CR $md0 -l5 --layout $layout -n4 $dev0 $dev1 $dev2 $dev3
+  check wait
+  tar cf - /etc > $md0
+  sum=`sha1sum $md0`
+
+  for i in $dev0 $dev1 $dev2 $dev3
+  do
+    mdadm $md0 -f $i
+    mdadm $md0 -r $i
+    blockdev --flushbufs $md0
+    sum1=`sha1sum $md0`
+    if [ "$sum" != "$sum1" ]
+    then
+     echo $sum does not match $sum1 with $i missing
+     exit 1
+    fi
+    mdadm $md0 -a $i
+    while ! (check state 'U*'); do check wait; sleep 0.2; done
+  done
+  mdadm -S $md0
+done
diff --git a/tests/01raid6integ b/tests/01raid6integ
new file mode 100644
index 0000000..12f4d81
--- /dev/null
+++ b/tests/01raid6integ
@@ -0,0 +1,57 @@
+
+# Check integrity of raid6 in degraded modes
+# Create a 5 disk raid6, dump some data to it, then
+# sha1sum it with different pairs of devices failed
+
+if [ "$INTEGRITY" != "yes" ]; then
+  echo -ne 'skipping... '
+  exit 0
+fi
+
+layouts='ls rs la ra'
+lv=`uname -r`
+if expr $lv '>=' 2.6.30 > /dev/null
+then
+  layouts="$layouts parity-first ddf-zero-restart ddf-N-restart ddf-N-continue \
+	left-asymmetric-6 right-asymmetric-6 left-symmetric-6 right-symmetric-6 parity-first-6"
+fi
+
+for layout in $layouts
+do
+  mdadm -CR $md0 -l6 --layout $layout -n5 $dev0 $dev1 $dev2 $dev3 $dev4
+  check wait
+  tar cf - /etc > $md0
+  sum=`sha1sum $md0`
+
+  totest=
+  for second in $dev0 $dev1 $dev2 $dev3 $dev4
+  do
+    mdadm $md0 -f $second
+    mdadm $md0 -r $second
+    blockdev --flushbufs $md0
+    sum1=`sha1sum $md0`
+    if [ "$sum" != "$sum1" ]
+    then
+      echo $sum does not match $sum1 with $second missing
+      exit 1
+    fi
+    for first in $totest
+    do
+       mdadm $md0 -f $first
+       mdadm $md0 -r $first
+       blockdev --flushbufs $md0
+       sum1=`sha1sum $md0`
+       if [ "$sum" != "$sum1" ]
+       then
+         echo $sum does not match $sum1 with $first and $second missing
+         exit 1
+       fi
+       mdadm $md0 -a $first
+       while ! (check state 'U*_U*'); do check wait; sleep 0.2; done
+    done
+    mdadm $md0 -a $second
+    while ! (check state 'U*'); do check wait; sleep 0.2; done
+    totest="$totest $second"
+  done
+  mdadm -S $md0
+done
diff --git a/tests/01replace b/tests/01replace
new file mode 100644
index 0000000..6223a22
--- /dev/null
+++ b/tests/01replace
@@ -0,0 +1,52 @@
+set -x -e
+
+## test --replace for raid5 raid6 raid1 and raid10
+#1/ after replace, can remove replaced device
+#2/ after --replace-with cannot remove the 'with' device
+#3/ preserve integrity with concurrent failure
+
+for level in 1 5 6 10
+do
+  dd if=/dev/zero of=$dev4 bs=1M || true
+  dd if=/dev/zero of=$dev5 bs=1M || true
+  mdadm -CR $md0 -l $level -n4 -x2 $devlist5
+  dd if=/dev/urandom of=$md0 bs=1M || true
+  sum=`sha1sum < $md0`
+  check wait
+  mdadm $md0 --replace $dev1
+  check wait
+  mdadm $md0 --remove $dev1
+  mdadm $md0 --remove $dev5 && exit 1
+  mdadm -S $md0
+  dd if=/dev/zero of=$dev4 bs=1M || true
+  dd if=/dev/zero of=$dev5 bs=1M || true
+  mdadm -CR $md0 -l $level -n4 -x2 $devlist5
+  check wait
+  sum1=`sha1sum < $md0`
+  [ "$sum" == "$sum1" ]
+
+  mdadm $md0 --replace $dev1 --with $dev4
+  check wait
+  mdadm $md0 --remove $dev1
+  mdadm $md0 --remove $dev5
+  mdadm $md0 --remove $dev4 && exit 1
+
+  mdadm $md0 --add $dev1 $dev5
+  mdadm $md0 --replace $dev0
+  sleep 1
+  mdadm $md0 --fail $dev2
+  check wait
+  sum2=`sha1sum < $md0`
+  [ "$sum" == "$sum2" ]
+
+  mdadm $md0 --remove $dev0 $dev2
+  mdadm $md0 --add $dev0 $dev2
+  mdadm $md0 --replace $dev3
+  sleep 1
+  mdadm $md0 --fail $dev0 $dev2
+  check wait
+  sum3=`sha1sum < $md0`
+  [ "$sum" == "$sum3" ]
+
+  mdadm -S $md0
+done
diff --git a/tests/02lineargrow b/tests/02lineargrow
new file mode 100644
index 0000000..e05c219
--- /dev/null
+++ b/tests/02lineargrow
@@ -0,0 +1,23 @@
+
+# create a liner array, and add more drives to to.
+
+for e in 0.90 1 1.1 1.2
+do
+  case $e in
+	0.90 ) sz=$mdsize0 ;;
+	1 ) sz=$mdsize2_l ;;
+	1.0 ) sz=$mdsize1 ;;
+	1.1 ) sz=$mdsize1_l ;;
+	1.2 ) sz=$mdsize2_l ;;
+  esac
+  mdadm -CRf $md0 --level linear -e $e --raid-disks=1 $dev1
+  testdev $md0 1 $sz 1
+
+  mdadm --grow $md0 --add $dev2
+  testdev $md0 2 $sz 1
+
+  mdadm --grow $md0 --add $dev3
+  testdev $md0 3 $sz 1
+
+  mdadm -S $md0
+done
diff --git a/tests/02r1add b/tests/02r1add
new file mode 100644
index 0000000..757f696
--- /dev/null
+++ b/tests/02r1add
@@ -0,0 +1,40 @@
+
+# Make a raid1,  add a device, then remove it again.
+
+mdadm -CR $md0 -l1 -n2 -x1 $dev0 $dev1 $dev2
+check resync
+check wait
+check state UU
+
+mdadm --grow $md0 -n 3
+check recovery
+check wait
+check state UUU
+
+mdadm $md0 --fail $dev0
+check state _UU
+
+mdadm --grow $md0 -n 2
+check state UU
+
+mdadm -S $md0
+# same again for version-1
+
+
+mdadm -CR $md0 -l1 -n2 -e1.2 -x1 $dev0 $dev1 $dev2
+check resync
+check wait
+check state UU
+
+mdadm --grow $md0 -n 3
+check recovery
+check wait
+check state UUU
+
+mdadm $md0 --fail $dev0
+check state _UU
+
+mdadm --grow $md0 -n 2
+check state UU
+
+mdadm -S $md0
diff --git a/tests/02r1grow b/tests/02r1grow
new file mode 100644
index 0000000..5754c88
--- /dev/null
+++ b/tests/02r1grow
@@ -0,0 +1,36 @@
+
+
+# create a small raid1 array, make it larger.  Then make it smaller
+
+mdadm -CR $md0 -e 0.90 --level raid1 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3
+check wait
+check state UUU
+testdev $md0 1 $[size/2] 1
+
+mdadm --grow $md0 --size max
+check resync
+check wait
+testdev $md0 1 $mdsize0 1
+
+mdadm --grow $md0 --size $[size/2]
+check nosync
+testdev $md0 1 $[size/2] 1
+
+mdadm -S $md0
+
+# same again with version 1.1 superblock
+mdadm -CR $md0 --level raid1 --metadata=1.1 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3
+check wait
+check state UUU
+testdev $md0 1 $[size/2] 1
+
+mdadm --grow $md0 --size max
+check resync
+check wait
+testdev $md0 1 $mdsize1_l 1
+
+mdadm --grow $md0 --size $[size/2]
+check nosync
+testdev $md0 1 $[size/2] 1
+
+mdadm -S $md0
diff --git a/tests/02r5grow b/tests/02r5grow
new file mode 100644
index 0000000..2da78ee
--- /dev/null
+++ b/tests/02r5grow
@@ -0,0 +1,53 @@
+
+
+# create a small raid5 array, make it larger.  Then make it smaller
+
+mdadm -CR $md0 -e0.90 --level raid5 --chunk=64 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3
+check wait
+check state UUU
+testdev $md0 2 $[size/2] 32
+
+mdadm --grow $md0 --size max
+check resync
+check wait
+testdev $md0 2 $mdsize0 32
+
+mdadm --grow $md0 --size $[size/2]
+check nosync
+testdev $md0 2 $[size/2] 32
+
+mdadm -S $md0
+
+# same again with version 1.1 superblock
+mdadm -CR $md0 --level raid5 --metadata=1.1 --chunk=128 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
+check wait
+check state UUUU
+testdev $md0 3 $[size/2] 128
+
+mdadm --grow $md0 --size max
+check resync
+check wait
+testdev $md0 3 $[mdsize1_l] 128
+
+mdadm --grow $md0 --size $[size/2]
+check nosync
+testdev $md0 3 $[size/2] 128
+
+mdadm -S $md0
+
+# create a raid5 array and change the chunk
+mdadm -CR $md0 --level raid5 --metadata=1.1 --chunk=32 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3
+check wait
+check state UUU
+check chunk 32
+
+mdadm $md0 --grow --chunk=64
+check reshape
+check wait
+check chunk 64
+
+mdadm -S $md0
+mdadm -A $md0 $dev1 $dev2 $dev3
+check state UUU
+check chunk 64
+mdadm -S $md0
diff --git a/tests/02r6grow b/tests/02r6grow
new file mode 100644
index 0000000..759e627
--- /dev/null
+++ b/tests/02r6grow
@@ -0,0 +1,36 @@
+
+
+# create a small raid6 array, make it larger.  Then make it smaller
+
+mdadm -CR $md0 -e 0.90 --level raid6 --chunk=64 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
+check wait
+check state UUUU
+testdev $md0 2 $[size/2] 32
+
+mdadm --grow $md0 --size max
+check resync
+check wait
+testdev $md0 2 $mdsize0 32
+
+mdadm --grow $md0 --size $[size/2]
+check nosync
+testdev $md0 2 $[size/2] 32
+
+mdadm -S $md0
+
+# same again with version 1.1 superblock
+mdadm -CR $md0 --level raid6 --metadata=1.1 --chunk=128 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
+check wait
+check state UUUU
+testdev $md0 2 $[size/2] 128
+
+mdadm --grow $md0 --size max
+check resync
+check wait
+testdev $md0 2 $[mdsize1_l] 128
+
+mdadm --grow $md0 --size $[size/2]
+check nosync
+testdev $md0 2 $[size/2] 128
+
+mdadm -S $md0
diff --git a/tests/03assem-incr b/tests/03assem-incr
new file mode 100644
index 0000000..f10a1a4
--- /dev/null
+++ b/tests/03assem-incr
@@ -0,0 +1,17 @@
+set -x -e
+
+# Test interaction between -I and -A
+# there are locking issue too, but those are hard to test for.
+#
+# Here just test that a partly "-I" assembled array can
+# be completed with "-A"
+
+for l in 0 1 5 linear
+do
+  mdadm -CR $md0 -l $l -n5 $dev0 $dev1 $dev2 $dev3 $dev4 --assume-clean
+  mdadm -S md0
+  mdadm -I $dev1
+  mdadm -I $dev3
+  mdadm -A /dev/md0  $dev0 $dev1 $dev2 $dev3 $dev4
+  mdadm -S /dev/md0
+done
diff --git a/tests/03r0assem b/tests/03r0assem
new file mode 100644
index 0000000..6744e32
--- /dev/null
+++ b/tests/03r0assem
@@ -0,0 +1,137 @@
+
+# create a raid0 array from 3 devices, and assemble it in a multitude of ways.
+# explicitly list devices
+# uuid, md-minor on command line with wildcard devices
+# mdadm.conf file
+
+mdadm -CR $md2 -l0 -n3 $dev0 $dev1 $dev2
+check raid0
+tst="testdev $md2 3 $mdsize1_l 512"
+$tst
+uuid=`mdadm -Db $md2 | sed 's/.*UUID=//'`
+mdadm -S $md2
+
+mdadm -A $md2 $dev0 $dev1 $dev2
+$tst
+mdadm -S $md2
+
+mdadm -A $md2 -u $uuid $devlist
+$tst
+mdadm -S $md2
+
+mdadm --assemble $md2 --name=2 $devlist
+$tst
+mdadm -S $md2
+
+conf=$targetdir/mdadm.conf
+{
+  echo DEVICE $devlist
+  echo array $md2 UUID=$uuid
+} > $conf
+
+mdadm -As -c $conf $md2
+$tst
+mdadm -S $md2
+
+{
+  echo DEVICE $devlist
+  echo array $md2 name=2
+} > $conf
+
+mdadm -As -c $conf $md2
+$tst
+mdadm -S $md2
+
+
+{
+  echo DEVICE $devlist
+  echo array $md2 devices=$dev0,$dev1,$dev2
+} > $conf
+
+mdadm -As -c $conf $md2
+$tst
+
+echo "DEVICE $devlist" > $conf
+mdadm -Db $md2 >> $conf
+mdadm -S $md2
+
+mdadm --assemble --scan --config=$conf $md2
+$tst
+mdadm -S $md2
+
+echo "  metadata=0.90 devices=$dev0,$dev1,$dev2" >> $conf
+mdadm --assemble --scan --config=$conf $md2
+$tst
+mdadm -S $md2
+
+
+### Now for version 0...
+
+mdadm --zero-superblock $dev0 $dev1 $dev2
+mdadm -CR $md2 -l0 --metadata=0.90 -n3 $dev0 $dev1 $dev2
+check raid0
+tst="testdev $md2 3 $mdsize0 512"
+$tst
+
+uuid=`mdadm -Db $md2 | sed 's/.*UUID=//'`
+mdadm -S $md2
+
+mdadm -A $md2 $dev0 $dev1 $dev2
+$tst
+mdadm -S $md2
+
+mdadm -A $md2 -u $uuid $devlist
+$tst
+mdadm -S $md2
+
+mdadm --assemble $md2 --super-minor=2 $devlist #
+$tst
+mdadm -S $md2
+
+conf=$targetdir/mdadm.conf
+{
+  echo DEVICE $devlist
+  echo array $md2 UUID=$uuid
+} > $conf
+
+mdadm -As -c $conf $md2
+$tst
+mdadm -S $md2
+
+{
+  echo DEVICE $devlist
+  echo array $md2 super-minor=2
+} > $conf
+
+mdadm -As -c $conf $md2
+$tst
+mdadm -S $md2
+
+
+{
+  echo DEVICE $devlist
+  echo array $md2 devices=$dev0,$dev1,$dev2
+} > $conf
+
+mdadm -As -c $conf $md2
+$tst
+
+echo "DEVICE $devlist" > $conf
+mdadm -Db $md2 >> $conf
+mdadm -S $md2
+
+mdadm --assemble --scan --config=$conf $md2
+$tst
+mdadm -S $md2
+
+echo "  metadata=1 devices=$dev0,$dev1,$dev2" >> $conf
+mdadm --assemble --scan --config=$conf $md2
+$tst
+mdadm -S $md2
+
+# Now use incremental assembly.
+mdadm -I --config=$conf $dev0
+mdadm -I --config=$conf $dev1
+mdadm -I --config=$conf $dev2
+$tst
+mdadm -S $md2
diff --git a/tests/03r5assem b/tests/03r5assem
new file mode 100644
index 0000000..0c7fb8c
--- /dev/null
+++ b/tests/03r5assem
@@ -0,0 +1,109 @@
+
+# create a raid5 array and assemble it in various ways,
+# including with missing devices.
+
+mdadm -CR -e 0.90 $md1 -l5 -n3 $dev0 $dev1 $dev2
+tst="check raid5 ;testdev $md1 2 $mdsize0 512 ; mdadm -S $md1"
+uuid=`mdadm -Db $md1 | sed 's/.*UUID=//'`
+check wait
+eval $tst
+
+mdadm -A $md1 $dev0 $dev1 $dev2
+eval $tst
+
+mdadm -A $md1 -u $uuid $devlist
+eval $tst
+
+mdadm -A $md1 -m 1 $devlist
+eval $tst
+
+
+conf=$targetdir/mdadm.conf
+{
+  echo DEVICE $devlist
+  echo array $md1 UUID=$uuid
+} > $conf
+
+mdadm -As -c $conf $md1
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 super-minor=1
+} > $conf
+
+mdadm -As -c $conf
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 devices=$dev0,$dev1,$dev2
+} > $conf
+
+mdadm -As -c $conf
+
+echo "DEVICE $devlist" > $conf
+mdadm -Db $md1 >> $conf
+eval $tst
+
+mdadm --assemble --scan --config=$conf $md1
+eval $tst
+
+echo "  metadata=0.90 devices=$dev0,$dev1,$dev2" >> $conf
+mdadm --assemble --scan --config=$conf $md1
+eval $tst
+
+### Now with a missing device
+
+mdadm -AR $md1 $dev0 $dev2 #
+check state U_U
+eval $tst
+
+mdadm -A $md1 -u $uuid $devlist
+check state U_U
+eval $tst
+
+mdadm -A $md1 -m 1 $devlist
+check state U_U
+eval $tst
+
+
+conf=$targetdir/mdadm.conf
+{
+  echo DEVICE $devlist
+  echo array $md1 UUID=$uuid
+} > $conf
+
+mdadm -As -c $conf $md1
+check state U_U
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 super-minor=1
+} > $conf
+
+mdadm -As -c $conf
+check state U_U
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 devices=$dev0,$dev1,$dev2
+} > $conf
+
+mdadm -As -c $conf
+
+echo "DEVICE $devlist" > $conf
+mdadm -Db $md1 >> $conf
+check state U_U
+eval $tst
+
+mdadm --assemble --scan --config=$conf $md1
+check state U_U
+eval $tst
+
+echo "  metadata=0.90 devices=$dev0,$dev1,$dev2" >> $conf
+mdadm --assemble --scan --config=$conf $md1
+check state U_U
+eval $tst
diff --git a/tests/03r5assem-failed b/tests/03r5assem-failed
new file mode 100644
index 0000000..d38241d
--- /dev/null
+++ b/tests/03r5assem-failed
@@ -0,0 +1,12 @@
+
+# Create an array, fail one device while array is active, stop array,
+# then re-assemble listing the failed device first.
+
+mdadm -CR $md1 -l5 -n4 $dev0 $dev1 $dev2 $dev3
+check wait
+
+echo 2000 > /sys/block/md1/md/safe_mode_delay
+mkfs $md1
+mdadm $md1 -f $dev0
+mdadm -S $md1
+mdadm -A $md1 $dev0 $dev1 $dev2 $dev3 || exit 1
diff --git a/tests/03r5assemV1 b/tests/03r5assemV1
new file mode 100644
index 0000000..bca0c58
--- /dev/null
+++ b/tests/03r5assemV1
@@ -0,0 +1,128 @@
+
+# create a v-1 raid5 array and assemble in various ways
+
+mdadm -CR -e1 --name one $md1 -l5 -n3 -x2 $dev0 $dev1 $dev2 $dev3 $dev4
+tst="check raid5 ;testdev $md1 2 $mdsize1 512 ; mdadm -S $md1"
+uuid=`mdadm -Db $md1 | sed 's/.*UUID=//'`
+check wait
+
+eval $tst
+
+mdadm -A $md1 $dev0 $dev1 $dev2
+mdadm $md1 --add $dev3 $dev4
+check spares 2
+eval $tst
+
+mdadm -A $md1 -u $uuid $devlist
+check spares 2
+eval $tst
+
+mdadm -A $md1 --name one $devlist
+check spares 2
+eval $tst
+
+
+conf=$targetdir/mdadm.conf
+{
+  echo DEVICE $devlist
+  echo array $md1 UUID=$uuid
+} > $conf
+
+mdadm -As -c $conf $md1
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 name=one
+} > $conf
+
+mdadm -As -c $conf
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 devices=$dev0,$dev1,$dev2,$dev3,$dev4
+} > $conf
+
+mdadm -As -c $conf
+
+echo "DEVICE $devlist" > $conf
+mdadm -Db $md1 >> $conf
+eval $tst
+mdadm --assemble --scan --config=$conf $md1
+eval $tst
+echo PING >&2
+
+echo "  metadata=1.0 devices=$dev0,$dev1,$dev2,$dev3,$dev4" >> $conf
+mdadm --assemble --scan --config=$conf $md1
+eval $tst
+
+### Now with a missing device
+# We don't want the recovery to complete while we are
+# messing about here.
+echo 100 > /proc/sys/dev/raid/speed_limit_max
+echo 100 > /proc/sys/dev/raid/speed_limit_min
+
+mdadm -AR $md1 $dev0 $dev2 $dev3 $dev4 #
+check state U_U
+check spares 1
+eval $tst
+
+mdadm -A $md1 -u $uuid $devlist
+check state U_U
+eval $tst
+
+mdadm -A $md1 --name=one $devlist
+check state U_U
+check spares 1
+eval $tst
+
+
+conf=$targetdir/mdadm.conf
+{
+  echo DEVICE $devlist
+  echo array $md1 UUID=$uuid
+} > $conf
+
+mdadm -As -c $conf $md1
+check state U_U
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 name=one
+} > $conf
+
+mdadm -As -c $conf
+check state U_U
+eval $tst
+
+{
+  echo DEVICE $devlist
+  echo array $md1 devices=$dev0,$dev1,$dev2
+} > $conf
+
+mdadm -As -c $conf
+
+echo "DEVICE $devlist" > $conf
+mdadm -Db $md1 >> $conf
+check state U_U
+eval $tst
+
+mdadm --assemble --scan --config=$conf $md1
+check state U_U
+eval $tst
+
+echo "  metadata=1.0 devices=$dev0,$dev1,$dev2" >> $conf
+mdadm --assemble --scan --config=$conf $md1
+check state U_U
+eval $tst
+
+# And now assemble with -I
+mdadm -Ss
+mdadm -I -c $conf $dev0
+mdadm -I -c $conf $dev1
+mdadm -I -c $conf $dev2
+eval $tst
+echo 2000 > /proc/sys/dev/raid/speed_limit_max
+echo 1000 > /proc/sys/dev/raid/speed_limit_min
diff --git a/tests/04r0update b/tests/04r0update
new file mode 100644
index 0000000..73ee3b9
--- /dev/null
+++ b/tests/04r0update
@@ -0,0 +1,20 @@
+
+# create a raid0, re-assemble with a different super-minor
+mdadm -CR -e 0.90 $md0 -l0 -n3 $dev0 $dev1 $dev2
+testdev $md0 3 $mdsize0 512
+minor1=`mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
+mdadm -S /dev/md0
+
+mdadm -A $md1 $dev0 $dev1 $dev2
+minor2=`mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
+mdadm -S /dev/md1
+
+mdadm -A $md1 --update=super-minor $dev0 $dev1 $dev2
+minor3=`mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
+mdadm -S /dev/md1
+
+case "$minor1 $minor2 $minor3" in
+  "0 0 1" ) ;;
+  * ) echo >&2 "ERROR minors should be '0 0 1' but are '$minor1 $minor2 $minor3'"
+      exit 1
+esac
diff --git a/tests/04r1update b/tests/04r1update
new file mode 100644
index 0000000..e22965b
--- /dev/null
+++ b/tests/04r1update
@@ -0,0 +1,15 @@
+set -i
+
+# create a raid1 array, let it sync, then re-assemble with a force-sync
+
+mdadm -CR $md0 -l1 -n2 $dev0 $dev1
+check wait
+mdadm -S $md0
+
+mdadm -A $md0 $dev0 $dev1
+check nosync
+mdadm -S $md0
+
+mdadm -A $md0 -U resync $dev0 $dev1
+check resync
+mdadm -S $md0
diff --git a/tests/04r5swap b/tests/04r5swap
new file mode 100644
index 0000000..5373a60
--- /dev/null
+++ b/tests/04r5swap
@@ -0,0 +1,18 @@
+
+# make a raid5 array, byte swap the superblocks, then assemble...
+
+mdadm -CR $md0 -e 0.90 -l5 -n4 $dev0 $dev1 $dev2 $dev3
+sleep 4
+mdadm -S $md0
+
+mdadm -E --metadata=0 $dev1  > $targetdir/d1
+for d in $dev0 $dev1 $dev2 $dev3
+do $dir/swap_super $d
+done
+mdadm -E --metadata=0.swap  $dev1  > $targetdir/d1s
+diff -u $targetdir/d1 $targetdir/d1s
+
+mdadm --assemble --update=byteorder $md0 $dev0 $dev1 $dev2 $dev3
+sleep 3
+check recovery
+mdadm -S $md0
diff --git a/tests/04update-metadata b/tests/04update-metadata
new file mode 100644
index 0000000..232fc1f
--- /dev/null
+++ b/tests/04update-metadata
@@ -0,0 +1,48 @@
+set -xe
+
+# test converting v0.90 to v1.0
+# check for different levels
+# check it fails for non-v0.90
+# check it fails during reshape or recovery
+# check it fails when bitmap is present
+
+dlist="$dev0 $dev1 $dev2 $dev3"
+
+for ls in raid0/4 linear/4 raid1/1 raid5/3 raid6/2
+do
+  s=${ls#*/} l=${ls%/*}
+  mdadm -CR --assume-clean -e 0.90 $md0 --level $l -n 4 -c 64 $dlist
+  testdev $md0 $s 19904 64
+  mdadm -S $md0
+  mdadm -A $md0 --update=metadata $dlist
+  testdev $md0 $s 19904 64 check
+  mdadm -S $md0
+done
+
+if mdadm -A $md0 --update=metadata $dlist
+then echo >&2 should fail with v1.0 metadata
+     exit 1
+fi
+
+mdadm -CR -e 0.90 $md0 --level=6 -n4 -c32 $dlist
+mdadm -S $md0
+
+if mdadm -A $md0 --update=metadata $dlist
+then echo >&2 should fail during resync
+     exit 1
+fi
+mdadm -A $md0 $dlist
+mdadm --wait $md0 || true
+mdadm -S $md0
+
+# should succeed now
+mdadm -A $md0 --update=metadata $dlist
+
+mdadm -S /dev/md0
+mdadm -CR --assume-clean -e 0.90 $md0 --level=6 -n4 -c32 $dlist --bitmap=internal
+mdadm -S $md0
+
+if mdadm -A $md0 --update=metadata $dlist
+then echo >&2 should fail when bitmap present
+     exit 1
+fi
diff --git a/tests/04update-uuid b/tests/04update-uuid
new file mode 100644
index 0000000..a4409e7
--- /dev/null
+++ b/tests/04update-uuid
@@ -0,0 +1,82 @@
+set -x
+
+# create an array, then change the uuid.
+
+mdadm -CR --assume-clean $md0 -l5 -n3 $dev0 $dev1 $dev2
+mdadm -S /dev/md0
+mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
+no_errors
+mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
+}
+mdadm -S /dev/md0
+
+# try v1 superblock
+
+mdadm -CR --assume-clean -e1 $md0 -l5 -n3 $dev0 $dev1 $dev2
+mdadm -S /dev/md0
+mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
+no_errors
+mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
+}
+mdadm -S /dev/md0
+
+
+# now if we have a bitmap, that needs updating too.
+rm -f $targetdir/bitmap
+mdadm -CR --assume-clean -b $targetdir/bitmap $md0 -l5 -n3 $dev0 $dev1 $dev2
+mdadm -S /dev/md0
+mdadm -A /dev/md0 -b $targetdir/bitmap --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
+no_errors
+mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
+}
+if mdadm -X $targetdir/bitmap | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 ||
+   mdadm -X $targetdir/bitmap | grep -s > /dev/null 67452301:efcdab89:98badcfe:10325476
+then : ; else
+   echo Wrong uuid; mdadm -X $targetdir/bitmap ; exit 2;
+fi
+mdadm -S /dev/md0
+
+# and bitmap for version1
+rm -f $targetdir/bitmap
+mdadm -CR --assume-clean -e1.1 -b $targetdir/bitmap $md0 -l5 -n3 $dev0 $dev1 $dev2
+mdadm -S /dev/md0
+mdadm -A /dev/md0 -b $targetdir/bitmap --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
+no_errors
+mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
+}
+# -X cannot tell which byteorder to use for the UUID, so allow both.
+if mdadm -X $targetdir/bitmap | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 ||
+   mdadm -X $targetdir/bitmap | grep -s > /dev/null 67452301:efcdab89:98badcfe:10325476
+then : ; else
+   echo Wrong uuid; mdadm -X $targetdir/bitmap ; exit 2;
+fi
+mdadm -S /dev/md0
+
+# Internal bitmaps too.
+mdadm -CR --assume-clean  -b internal --bitmap-chunk 4 $md0 -l5 -n3 $dev0 $dev1 $dev2
+mdadm -S /dev/md0
+mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
+no_errors
+mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
+}
+mdadm -X $dev0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -X $dev0; exit 2;
+}
+mdadm -S /dev/md0
+
+mdadm -CR --assume-clean -e1.2 -b internal --bitmap-chunk=4 $md0 -l5 -n3 $dev0 $dev1 $dev2
+mdadm -S /dev/md0
+mdadm -A /dev/md0 --update=uuid --uuid=0123456789abcdef:fedcba9876543210 $dev0 $dev1 $dev2
+no_errors
+mdadm -D /dev/md0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -D /dev/md0 ; exit 2;
+}
+mdadm -X $dev0 | grep -s > /dev/null 01234567:89abcdef:fedcba98:76543210 || {
+   echo Wrong uuid; mdadm -X $dev0; exit 2;
+}
+mdadm -S /dev/md0
diff --git a/tests/05r1-add-internalbitmap b/tests/05r1-add-internalbitmap
new file mode 100644
index 0000000..4e20305
--- /dev/null
+++ b/tests/05r1-add-internalbitmap
@@ -0,0 +1,20 @@
+#
+# create a raid1 without any bitmap, add the bitmap and then write to
+# the device. This should catch the case where the bitmap is created
+# but not reloaded correctly, such as the case fixed by
+# 4474ca42e2577563a919fd3ed782e2ec55bf11a2
+#
+mdadm --create --run $md0 --metadata=0.9 --level=1 -n2 --delay=1 $dev1 $dev2
+check wait
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb internal --bitmap-chunk=4 $md0
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r1-add-internalbitmap-v1a b/tests/05r1-add-internalbitmap-v1a
new file mode 100644
index 0000000..721a41c
--- /dev/null
+++ b/tests/05r1-add-internalbitmap-v1a
@@ -0,0 +1,20 @@
+#
+# create a raid1 without any bitmap, add the bitmap and then write to
+# the device. This should catch the case where the bitmap is created
+# but not reloaded correctly, such as the case fixed by
+# 4474ca42e2577563a919fd3ed782e2ec55bf11a2
+#
+mdadm --create --run $md0 --metadata=1.0 --level=1 -n2 --delay=1 $dev1 $dev2
+check wait
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb internal --bitmap-chunk=4 $md0
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r1-add-internalbitmap-v1b b/tests/05r1-add-internalbitmap-v1b
new file mode 100644
index 0000000..da78fd6
--- /dev/null
+++ b/tests/05r1-add-internalbitmap-v1b
@@ -0,0 +1,20 @@
+#
+# create a raid1 without any bitmap, add the bitmap and then write to
+# the device. This should catch the case where the bitmap is created
+# but not reloaded correctly, such as the case fixed by
+# 4474ca42e2577563a919fd3ed782e2ec55bf11a2
+#
+mdadm --create --run $md0 --metadata=1.1 --level=1 -n2 --delay=1 $dev1 $dev2
+check wait
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb internal --bitmap-chunk=4 $md0
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r1-add-internalbitmap-v1c b/tests/05r1-add-internalbitmap-v1c
new file mode 100644
index 0000000..9f2f128
--- /dev/null
+++ b/tests/05r1-add-internalbitmap-v1c
@@ -0,0 +1,20 @@
+#
+# create a raid1 without any bitmap, add the bitmap and then write to
+# the device. This should catch the case where the bitmap is created
+# but not reloaded correctly, such as the case fixed by
+# 4474ca42e2577563a919fd3ed782e2ec55bf11a2
+#
+mdadm --create --run $md0 --metadata=1.2 --level=1 -n2 --delay=1 $dev1 $dev2
+check wait
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb internal --bitmap-chunk=4 $md0
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r1-bitmapfile b/tests/05r1-bitmapfile
new file mode 100644
index 0000000..f384f0e
--- /dev/null
+++ b/tests/05r1-bitmapfile
@@ -0,0 +1,49 @@
+
+#
+# create a raid1 with a bitmap file
+#
+bmf=$targetdir/bitmap
+rm -f $bmf
+mdadm --create --run $md0 --level=1 -n2 --delay=1  --bitmap $bmf $dev1 $dev2
+check wait
+testdev $md0 1 $mdsize1a 64
+mdadm -S $md0
+
+mdadm --assemble $md0 --bitmap=$bmf $dev1 $dev2
+testdev $md0 1 $mdsize1a 64
+dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev1
+testdev $md0 1 $mdsize1a 64
+sleep 4
+dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --assemble -R $md0 --bitmap=$bmf $dev2
+dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+mdadm --zero $dev1 # force --add, not --re-add
+mdadm $md0 --add $dev1
+#it is too fast# check recovery
+
+check wait
+sleep 4
+dirty5=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r1-failfast b/tests/05r1-failfast
new file mode 100644
index 0000000..823dd6f
--- /dev/null
+++ b/tests/05r1-failfast
@@ -0,0 +1,74 @@
+
+# create a simple mirror and check failfast flag works
+mdadm -CR $md0 -e1.2 --level=raid1 --failfast -n2 $dev0 $dev1
+check raid1
+if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
+then
+   die "failfast missing"
+fi
+
+# Removing works with the failfast flag
+mdadm $md0 -f $dev0
+mdadm $md0 -r $dev0
+if grep -v failfast /sys/block/md0/md/rd1/state > /dev/null
+then
+   die "failfast missing"
+fi
+
+# Adding works with the failfast flag
+mdadm $md0 -a --failfast $dev0
+check wait
+if grep -v failfast /sys/block/md0/md/rd0/state > /dev/null
+then
+   die "failfast missing"
+fi
+
+mdadm -S $md0
+
+# Assembling works with the failfast flag
+mdadm -A $md0 $dev0 $dev1
+check raid1
+if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
+then
+   die "failfast missing"
+fi
+
+# Adding works with the nofailfast flag
+mdadm $md0 -f $dev0
+mdadm $md0 -r $dev0
+mdadm $md0 -a --nofailfast $dev0
+check wait
+if grep failfast /sys/block/md0/md/rd0/state > /dev/null
+then
+   die "failfast should be missing"
+fi
+
+# Assembling with one faulty slave works with the failfast flag
+mdadm $md0 -f $dev0
+mdadm $md0 -r $dev0
+mdadm -S $md0
+mdadm -A $md0 $dev0 $dev1
+check raid1
+mdadm -S $md0
+
+# Spare works with the failfast flag
+mdadm -CR $md0 -e1.2 --level=raid1 --failfast -n2 $dev0 $dev1
+check raid1
+mdadm $md0 -a --failfast $dev2
+check wait
+check spares 1
+if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
+then
+   die "failfast missing"
+fi
+
+# Grow works with the failfast flag
+mdadm -G $md0 --raid-devices=3
+check wait
+if grep -v failfast /sys/block/md0/md/rd*/state > /dev/null
+then
+   die "failfast missing"
+fi
+mdadm -S $md0
+
+exit 0
diff --git a/tests/05r1-grow-external b/tests/05r1-grow-external
new file mode 100644
index 0000000..69da3e9
--- /dev/null
+++ b/tests/05r1-grow-external
@@ -0,0 +1,33 @@
+
+#
+# create a raid1 array, add an external bitmap
+#
+mdadm --create --run $md0 -l 1 -n 2 $dev1 $dev2
+check wait
+testdev $md0 1 $mdsize1a 64
+
+bmf=$targetdir/bm
+rm -f $bmf
+#mdadm -E $dev1
+mdadm --grow $md0 --bitmap=$bmf --delay=1 || { mdadm -X $bmf ; exit 1; }
+dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+testdev $md0 1 $mdsize1a 64
+dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+#echo $dirty1 $dirty2 $dirty3 $dirty4
+if [ $dirty2 -ne 0 -o $dirty4 -ne 0 -o $dirty3 -lt 400 ]
+then
+   echo bad dirty counts
+   exit 1
+fi
+
+# now to remove the bitmap
+check bitmap
+mdadm --grow $md0 --bitmap=none
+check nobitmap
+mdadm -S $md0
diff --git a/tests/05r1-grow-internal b/tests/05r1-grow-internal
new file mode 100644
index 0000000..24b3aec
--- /dev/null
+++ b/tests/05r1-grow-internal
@@ -0,0 +1,31 @@
+
+#
+# create a raid1 array, add an internal bitmap
+#
+mdadm --create --run $md0 -l 1 -n 2 $dev1 $dev2
+check wait
+testdev $md0 1 $mdsize1a 64
+
+#mdadm -E $dev1
+mdadm --grow $md0 --bitmap=internal --bitmap-chunk=4 --delay=1 || { mdadm -X $dev2 ; exit 1; }
+dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+testdev $md0 1 $mdsize1a 64
+dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+#echo $dirty1 $dirty2 $dirty3 $dirty4
+if [ $dirty2 -ne 0 -o $dirty4 -ne 0 -o $dirty3 -lt 400 ]
+then
+   echo bad dirty counts
+   exit 1
+fi
+
+# now to remove the bitmap
+check bitmap
+mdadm --grow $md0 --bitmap=none
+check nobitmap
+mdadm -S $md0
diff --git a/tests/05r1-grow-internal-1 b/tests/05r1-grow-internal-1
new file mode 100644
index 0000000..2f0d823
--- /dev/null
+++ b/tests/05r1-grow-internal-1
@@ -0,0 +1,31 @@
+
+#
+# create a raid1 array, version 1 superblock, add an internal bitmap
+#
+mdadm --create --run $md0 -e1 -l 1 -n 2 $dev1 $dev2
+check wait
+testdev $md0 1 $mdsize1b 64
+
+#mdadm -E $dev1
+mdadm --grow $md0 --bitmap=internal --bitmap-chunk=4 --delay=1
+dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+testdev $md0 1 $mdsize1b 64
+dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+#echo $dirty1 $dirty2 $dirty3 $dirty4
+if [ $dirty2 -ne 0 -o $dirty4 -ne 0 -o $dirty3 -lt 400 ]
+then
+   echo bad dirty counts
+   exit 1
+fi
+
+# now to remove the bitmap
+check bitmap
+mdadm --grow $md0 --bitmap=none
+check nobitmap
+mdadm -S $md0
diff --git a/tests/05r1-internalbitmap b/tests/05r1-internalbitmap
new file mode 100644
index 0000000..dd7232a
--- /dev/null
+++ b/tests/05r1-internalbitmap
@@ -0,0 +1,47 @@
+
+#
+# create a raid1 with an internal bitmap
+#
+mdadm --create -e0.90 --run $md0 --level=1 -n2 --delay=1  --bitmap internal --bitmap-chunk=4 $dev1 $dev2
+check wait
+testdev $md0 1 $mdsize0 64
+mdadm -S $md0
+
+mdadm --assemble $md0 $dev1 $dev2
+testdev $md0 1 $mdsize0 64
+dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev1
+testdev $md0 1 $mdsize0 64
+sleep 4
+dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --assemble -R $md0  $dev2
+mdadm --zero-superblock $dev1
+mdadm $md0 --add $dev1
+check recovery
+
+dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r1-internalbitmap-v1a b/tests/05r1-internalbitmap-v1a
new file mode 100644
index 0000000..3ddc082
--- /dev/null
+++ b/tests/05r1-internalbitmap-v1a
@@ -0,0 +1,48 @@
+
+#
+# create a raid1 with an internal bitmap
+#
+mdadm --create --run $md0 --metadata=1.0 --level=1 -n2 --delay=1  --bitmap internal --bitmap-chunk=4 $dev1 $dev2
+check wait
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+mdadm --assemble $md0 $dev1 $dev2
+testdev $md0 1 $mdsize1b 64
+dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev1
+testdev $md0 1 $mdsize1b 64
+sleep 4
+dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --zero-superblock $dev1
+mdadm --assemble -R $md0  $dev2
+mdadm $md0 --add $dev1
+check recovery
+
+dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r1-internalbitmap-v1b b/tests/05r1-internalbitmap-v1b
new file mode 100644
index 0000000..40f7abe
--- /dev/null
+++ b/tests/05r1-internalbitmap-v1b
@@ -0,0 +1,49 @@
+
+#
+# create a raid1 with an internal bitmap
+#
+mdadm --create --run $md0 --metadata=1.1 --level=1 -n2 --delay=1  --bitmap internal --bitmap-chunk=4 $dev1 $dev2
+check wait
+check bitmap
+testdev $md0 1 $mdsize11 64
+mdadm -S $md0
+
+mdadm --assemble $md0 $dev1 $dev2
+check bitmap
+testdev $md0 1 $mdsize11 64
+dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev1
+testdev $md0 1 $mdsize11 64
+sleep 4
+dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --zero-superblock $dev1
+mdadm --assemble -R $md0  $dev2
+mdadm $md0 --add $dev1
+check recovery
+
+dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r1-internalbitmap-v1c b/tests/05r1-internalbitmap-v1c
new file mode 100644
index 0000000..2eaea59
--- /dev/null
+++ b/tests/05r1-internalbitmap-v1c
@@ -0,0 +1,48 @@
+
+#
+# create a raid1 with an internal bitmap
+#
+mdadm --create --run $md0 --metadata=1.2 --level=1 -n2 --delay=1  --bitmap internal --bitmap-chunk 4 $dev1 $dev2
+check wait
+check bitmap
+testdev $md0 1 $mdsize12 64
+mdadm -S $md0
+
+mdadm --assemble $md0 $dev1 $dev2
+testdev $md0 1 $mdsize12 64
+dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev1
+testdev $md0 1 $mdsize12 64
+sleep 4
+dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --zero-superblock $dev1
+mdadm --assemble -R $md0  $dev2
+mdadm $md0 --add $dev1
+check recovery
+
+dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r1-n3-bitmapfile b/tests/05r1-n3-bitmapfile
new file mode 100644
index 0000000..f1c3f1e
--- /dev/null
+++ b/tests/05r1-n3-bitmapfile
@@ -0,0 +1,53 @@
+
+#
+# create a raid1 with 3 devices and a bitmap file
+# make  sure resync does right thing.
+#
+#
+bmf=$targetdir/bitmap
+rm -f $bmf
+mdadm --create -e0.90 --run $md0 --level=1 -n3 --delay=1  --bitmap $bmf $dev1 $dev2 $dev3
+check wait
+testdev $md0 1 $mdsize0 64
+mdadm -S $md0
+
+mdadm --assemble $md0 --bitmap=$bmf $dev1 $dev2 $dev3
+testdev $md0 1 $mdsize0 64
+dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev2
+testdev $md0 1 $mdsize0 64
+sleep 4
+dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --assemble -R $md0 --bitmap=$bmf $dev1 $dev3
+check nosync
+mdadm --zero-superblock $dev2
+mdadm $md0 --add $dev2
+check recovery
+
+dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
+exit 0
diff --git a/tests/05r1-re-add b/tests/05r1-re-add
new file mode 100644
index 0000000..fa6bbcb
--- /dev/null
+++ b/tests/05r1-re-add
@@ -0,0 +1,39 @@
+
+#
+# create a raid1, remove a drive, and readd it.
+# resync should be instant.
+# Then do some IO first.  Resync should still be very fast
+#
+
+mdadm -CR $md0 -l1 -n2 -binternal --bitmap-chunk=4 -d1 $dev1 $dev2
+check resync
+check wait
+testdev $md0 1 $mdsize1a 64
+sleep 4
+
+mdadm $md0 -f $dev2
+sleep 1
+mdadm $md0 -r $dev2
+mdadm $md0 -a $dev2
+#cat /proc/mdstat
+check nosync
+
+mdadm $md0 -f $dev2
+sleep 1
+mdadm $md0 -r $dev2
+testdev $md0 1 $mdsize1a 64
+mdadm $md0 -a $dev2
+check wait
+blockdev --flushbufs $dev1 $dev2
+cmp --ignore-initial=$[64*512] --bytes=$[$mdsize0*1024] $dev1 $dev2
+
+mdadm $md0 -f $dev2; sleep 1
+mdadm $md0 -r $dev2
+if dd if=/dev/zero of=$md0 ; then : ; fi
+blockdev --flushbufs $md0 # ensure writes have been sent.
+mdadm $md0 -a $dev2
+check recovery
+check wait
+blockdev --flushbufs $dev1 $dev2
+cmp --ignore-initial=$[64*512] --bytes=$[$mdsize0*1024] $dev1 $dev2
+mdadm -S $md0
diff --git a/tests/05r1-re-add-nosuper b/tests/05r1-re-add-nosuper
new file mode 100644
index 0000000..058d602
--- /dev/null
+++ b/tests/05r1-re-add-nosuper
@@ -0,0 +1,38 @@
+
+#
+# create a raid1, remove a drive, and readd it.
+# resync should be instant.
+# Then do some IO first.  Resync should still be very fast
+#
+bmf=$targetdir/bitmap2
+rm -f $bmf
+mdadm -B $md0 -l1 -n2 -b$bmf -d1 $dev1 $dev2
+check resync
+check wait
+testdev $md0 1 $size 1
+sleep 4
+
+mdadm $md0 -f $dev2
+sleep 1
+mdadm $md0 -r $dev2
+mdadm $md0 --re-add $dev2
+check nosync
+
+mdadm $md0 -f $dev2
+sleep 1
+mdadm $md0 -r $dev2
+testdev $md0 1 $size 1
+mdadm $md0 --re-add $dev2
+check wait
+cmp --bytes=$[$mdsize0*1024] $dev1 $dev2
+
+mdadm $md0 -f $dev2; sleep 1
+mdadm $md0 -r $dev2
+if dd if=/dev/zero of=$md0 ; then : ; fi
+blockdev --flushbufs $md0 # make sure writes have been sent
+mdadm $md0 --re-add $dev2
+check recovery
+check wait
+# should BLKFLSBUF and then read $dev1/$dev2...
+cmp --bytes=$[$mdsize0*1024] $file1 $file2
+mdadm -S $md0
diff --git a/tests/05r1-remove-internalbitmap b/tests/05r1-remove-internalbitmap
new file mode 100644
index 0000000..712fd56
--- /dev/null
+++ b/tests/05r1-remove-internalbitmap
@@ -0,0 +1,18 @@
+#
+# create a raid1 with bitmap, remove the bitmap and verify it is still
+# gone when re-assembling the array
+#
+mdadm --create --run $md0 --metadata=0.9 --level=1 -n2 --bitmap internal --bitmap-chunk=4 --delay=1 $dev1 $dev2
+check wait
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb none $md0
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r1-remove-internalbitmap-v1a b/tests/05r1-remove-internalbitmap-v1a
new file mode 100644
index 0000000..a4a9aaf
--- /dev/null
+++ b/tests/05r1-remove-internalbitmap-v1a
@@ -0,0 +1,18 @@
+#
+# create a raid1 with bitmap, remove the bitmap and verify it is still
+# gone when re-assembling the array
+#
+mdadm --create --run $md0 --metadata=1.0 --level=1 -n2 --bitmap internal --bitmap-chunk=4 --delay=1 $dev1 $dev2
+check wait
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb none $md0
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r1-remove-internalbitmap-v1b b/tests/05r1-remove-internalbitmap-v1b
new file mode 100644
index 0000000..c0918eb
--- /dev/null
+++ b/tests/05r1-remove-internalbitmap-v1b
@@ -0,0 +1,18 @@
+#
+# create a raid1 with bitmap, remove the bitmap and verify it is still
+# gone when re-assembling the array
+#
+mdadm --create --run $md0 --metadata=1.1 --level=1 -n2 --bitmap internal --bitmap-chunk=4 --delay=1 $dev1 $dev2
+check wait
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb none $md0
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r1-remove-internalbitmap-v1c b/tests/05r1-remove-internalbitmap-v1c
new file mode 100644
index 0000000..15f1fbb
--- /dev/null
+++ b/tests/05r1-remove-internalbitmap-v1c
@@ -0,0 +1,18 @@
+#
+# create a raid1 with bitmap, remove the bitmap and verify it is still
+# gone when re-assembling the array
+#
+mdadm --create --run $md0 --metadata=1.2 --level=1 -n2 --bitmap internal --bitmap-chunk=4 --delay=1 $dev1 $dev2
+check wait
+check bitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -Gb none $md0
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
+
+# Re-assemble the array and verify the bitmap is still present
+mdadm --assemble $md0 $dev1 $dev2
+check nobitmap
+testdev $md0 1 $mdsize1b 64
+mdadm -S $md0
diff --git a/tests/05r5-bitmapfile b/tests/05r5-bitmapfile
new file mode 100644
index 0000000..6d173d8
--- /dev/null
+++ b/tests/05r5-bitmapfile
@@ -0,0 +1,49 @@
+
+#
+# create a raid1 with a bitmap file
+#
+bmf=$targetdir/bitmap
+rm -f $bmf
+mdadm --create --run $md0 --level=5 -n3 --delay=1  --bitmap $bmf $dev1 $dev2 $dev3
+check wait
+testdev $md0 2 $mdsize1 512
+mdadm -S $md0
+
+mdadm --assemble $md0 --bitmap=$bmf $dev1 $dev2 $dev3
+testdev $md0 2 $mdsize1 512
+dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev1
+testdev $md0 2 $mdsize1 512
+sleep 4
+dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --assemble -R $md0 --bitmap=$bmf $dev2 $dev3
+mdadm --zero $dev1 # force add, not re-add
+mdadm $md0 --add $dev1
+check recovery
+
+dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r5-internalbitmap b/tests/05r5-internalbitmap
new file mode 100644
index 0000000..13dc592
--- /dev/null
+++ b/tests/05r5-internalbitmap
@@ -0,0 +1,47 @@
+
+#
+# create a raid1 with an internal bitmap
+#
+mdadm --create --run $md0 --level=5 -n3 --delay=1  --bitmap internal --bitmap-chunk=4 $dev1 $dev2 $dev3
+check wait
+testdev $md0 2 $mdsize1 512
+mdadm -S $md0
+
+mdadm --assemble $md0 $dev1 $dev2 $dev3
+testdev $md0 2 $mdsize1 512
+dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev1
+testdev $md0 2 $mdsize1 512
+sleep 4
+dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --assemble -R $md0  $dev2 $dev3
+mdadm --zero $dev1 # force --add, not --re-add
+mdadm $md0 --add $dev1
+check recovery
+
+dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r6-bitmapfile b/tests/05r6-bitmapfile
new file mode 100644
index 0000000..d11896d
--- /dev/null
+++ b/tests/05r6-bitmapfile
@@ -0,0 +1,49 @@
+
+#
+# create a raid1 with a bitmap file
+#
+bmf=$targetdir/bitmap
+rm -f $bmf
+mdadm --create --run $md0 --level=6 -n4 --delay=1  --bitmap $bmf $dev1 $dev2 $dev3 $dev4
+check wait
+testdev $md0 2 $mdsize1 512
+mdadm -S $md0
+
+mdadm --assemble $md0 --bitmap=$bmf $dev1 $dev2 $dev3 $dev4
+testdev $md0 2 $mdsize1 512
+dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+sleep 4
+dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
+then  echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
+  exit 1
+fi
+mdadm $md0 -f $dev3
+testdev $md0 2 $mdsize1 512
+sleep 4
+dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+if [ $dirty3 -lt 400 ]
+then
+   echo >&2 "ERROR dirty count $dirty3 is too small"
+   exit 2
+fi
+
+mdadm -S $md0
+
+mdadm --assemble -R $md0 --bitmap=$bmf $dev1 $dev2 $dev4
+mdadm --zero $dev3 # force --add, not --re-add
+mdadm $md0 --add $dev3
+check recovery
+
+dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+check wait
+sleep 4
+dirty5=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
+
+if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
+then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
+  exit 1
+fi
+
+mdadm -S $md0
diff --git a/tests/05r6tor0 b/tests/05r6tor0
new file mode 100644
index 0000000..2fd51f2
--- /dev/null
+++ b/tests/05r6tor0
@@ -0,0 +1,27 @@
+set -x -e
+
+# reshape a RAID6 to RAID5 and then RAID0.
+# then reshape back up to RAID5 and RAID5
+
+mdadm -CR $md0 -l6 -n5 $dev0 $dev1 $dev2 $dev3 $dev4
+check wait; sleep 1
+check raid6
+testdev $md0 3 19456 512
+mdadm -G $md0 -l5
+check wait; sleep 1
+check raid5
+testdev $md0 3 19456 512
+mdadm -G $md0 -l0
+check wait; sleep 1
+check raid0
+testdev $md0 3 19456 512
+mdadm -G $md0 -l5 --add $dev3 $dev4
+check wait; sleep 1
+check raid5
+check algorithm 2
+testdev $md0 3 19456 512
+mdadm -G $md0 -l 6
+check wait; sleep 1
+check raid6
+check algorithm 2
+testdev $md0 3 19456 512
diff --git a/tests/06name b/tests/06name
new file mode 100644
index 0000000..4d5e824
--- /dev/null
+++ b/tests/06name
@@ -0,0 +1,12 @@
+set -x
+
+# create an array with a name
+
+mdadm -CR $md0 -l0 -n2 --metadata=1 --name="Fred" $dev0 $dev1
+mdadm -E $dev0 | grep 'Name : [^:]*:Fred ' > /dev/null || exit 1
+mdadm -D $md0 | grep 'Name : [^:]*:Fred ' > /dev/null || exit 1
+mdadm -S $md0
+
+mdadm -A $md0 --name="Fred" $devlist
+#mdadm -Db $md0
+mdadm -S $md0
diff --git a/tests/06sysfs b/tests/06sysfs
new file mode 100644
index 0000000..af63ef4
--- /dev/null
+++ b/tests/06sysfs
@@ -0,0 +1,11 @@
+exit 0
+mdadm -CR $md0 -l1 -n3 $dev1 $dev2 $dev3
+
+ls -Rl /sys/block/md0
+
+cat /sys/block/md0/md/level
+cat /sys/block/md0/md/raid_disks
+
+mdadm -S $md0
+
+exit 1
diff --git a/tests/06wrmostly b/tests/06wrmostly
new file mode 100644
index 0000000..968c197
--- /dev/null
+++ b/tests/06wrmostly
@@ -0,0 +1,13 @@
+
+# create a raid1 array with a wrmostly device
+
+mdadm -CR $md0 -l1 -n3 $dev0 $dev1 --write-mostly $dev2
+testdev $md0 1 $mdsize1a 64
+
+# unfortunately, we cannot measure if any read requests are going to $dev2
+
+mdadm -S $md0
+
+mdadm -CR $md0 -l1 -n3 --write-behind --bitmap=internal --bitmap-chunk=4 $dev0 $dev1 --write-mostly $dev2
+testdev $md0 1 $mdsize1a 64
+mdadm -S $md0
diff --git a/tests/07autoassemble b/tests/07autoassemble
new file mode 100644
index 0000000..e689be7
--- /dev/null
+++ b/tests/07autoassemble
@@ -0,0 +1,24 @@
+
+# create two raid1s, build a raid0 on top, then
+# tear it down and get auto-assemble to rebuild it.
+
+mdadm -CR $md1 -l1 -n2 $dev0 $dev1  --homehost=testing
+mdadm -CR $md2 -l1 -n2 $dev2 $dev3  --homehost=testing
+mdadm -CR $md0 -l0 -n2 $md1 $md2  --homehost=testing
+
+mdadm -Ss
+mdadm -As -c /dev/null --homehost=testing -vvv
+testdev $md1 1 $mdsize1a 64
+testdev $md2 1 $mdsize1a 64
+testdev $md0 2 $mdsize11a 512
+mdadm -Ss
+
+mdadm --zero-superblock $dev0 $dev1 $dev2 $dev3
+## Now the raid0 uses one stacked and one not
+mdadm -CR $md1 -l1 -n2 $dev0 $dev1  --homehost=testing
+mdadm -CR $md0 -l0 -n2 $md1 $dev2  --homehost=testing
+mdadm -Ss
+mdadm -As -c /dev/null --homehost=testing -vvv
+testdev $md1 1 $mdsize1a 64
+testdev $md0 1 $[mdsize1a+mdsize11a] 512
+mdadm -Ss
diff --git a/tests/07autodetect b/tests/07autodetect
new file mode 100644
index 0000000..917e0d6
--- /dev/null
+++ b/tests/07autodetect
@@ -0,0 +1,34 @@
+
+#
+# Test in-kernel autodetect.
+# Create a partitionable array on each of two devices,
+# put a partition on each, create an array, and see if we can
+# use autodetect to restart the array.
+
+if lsmod | grep md_mod > /dev/null 2>&1
+then
+  echo md is a module - cannot test autodetect
+  exit 0
+fi
+
+
+mdadm -CR -e 0 $mdp0 -l0 -f -n1 $dev0
+mdadm -CR -e 0 $mdp1 -l0 -f -n1 $dev1
+udevadm settle
+sfdisk $mdp0 >&2 << END
+,,FD
+END
+sfdisk $mdp1 >&2 << END
+,,FD
+END
+udevadm settle
+mdadm -CR -e 0 $md0 -l1 -n2 ${mdp0}p1 ${mdp1}p1
+check resync
+check raid1
+check wait
+mdadm -S $md0
+mdadm --auto-detect
+check raid1
+
+mdadm -Ss
+exit 0
diff --git a/tests/07changelevelintr b/tests/07changelevelintr
new file mode 100644
index 0000000..18c6309
--- /dev/null
+++ b/tests/07changelevelintr
@@ -0,0 +1,61 @@
+
+#
+# test that we can stop and restart a level change.
+# just test a few in-place changes, and a few
+# size-reducing changes.
+
+
+checkgeo() {
+ # check the geometry of an array
+ # level raid_disks chunk_size layout
+ dev=$1
+ shift
+ sleep 0.5
+ check wait
+ sleep 1
+ for attr in level raid_disks chunk_size layout
+ do
+   if [ $# -gt 0 ] ; then
+      val=$1
+      shift
+      if [ " `cat /sys/block/$dev/md/$attr`" != " $val" ]
+      then echo "$attr doesn't match for $dev"
+           exit 1
+      fi
+   fi
+ done
+}
+
+restart() {
+ sleep 0.5
+ check reshape
+ mdadm -S $md0
+ mdadm -A $md0 $devs --backup-file=$bu
+ sleep 0.5
+ check reshape
+}
+
+bu=/tmp/md-backup
+rm -f $bu
+devs="$dev0 $dev1 $dev2 $dev3 $dev4"
+mdadm -CR $md0 -l5 -n5 -c 256 $devs
+checkgeo md0 raid5 5 $[256*1024] 2
+
+mdadm -G $md0 -c 128 --backup-file=$bu
+restart
+checkgeo md0 raid5 5 $[128*1024] 2
+
+mdadm -G $md0 --layout rs --backup-file=$bu
+restart
+checkgeo md0 raid5 5 $[128*1024] 3
+
+mdadm -G $md0 --array-size 58368
+mdadm -G $md0 --raid-disks 4 -c 64 --backup-file=$bu
+restart
+checkgeo md0 raid5 4 $[64*1024] 3
+
+devs="$dev0 $dev1 $dev2 $dev3"
+mdadm -G $md0 --array-size 19456
+mdadm -G $md0 -n 2 -c 256 --backup-file=$bu
+restart
+checkgeo md0 raid5 2 $[256*1024] 3
diff --git a/tests/07changelevels b/tests/07changelevels
new file mode 100644
index 0000000..a328874
--- /dev/null
+++ b/tests/07changelevels
@@ -0,0 +1,114 @@
+
+# Test changing of level, chunksize etc.
+# Create a RAID1, convert to RAID5, add a disk, add another disk
+# convert to RAID6, back to RAID5 and ultimately to RAID1
+
+testK=$[64*3*6]
+dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$testK
+export MDADM_GROW_VERIFY=1
+
+dotest() {
+ sleep 2
+ check wait
+ testdev $md0 $1 19968 64 nd
+ blockdev --flushbufs $md0
+ cmp -s -n $[textK*1024] $md0 /tmp/RandFile || { echo cmp failed; exit 2; }
+ # write something new - shift chars 4 space
+ tr ' -~' '$-~ -#' < /tmp/RandFile > /tmp/RandFile2
+ mv /tmp/RandFile2 /tmp/RandFile
+ dd if=/tmp/RandFile of=$md0
+}
+
+checkgeo() {
+ # check the geometry of an array
+ # level raid_disks chunk_size layout
+ dev=$1
+ shift
+ sleep 0.5
+ check wait
+ sleep 1
+ for attr in level raid_disks chunk_size layout
+ do
+   if [ $# -gt 0 ] ; then
+      val=$1
+      shift
+      if [ " `cat /sys/block/$dev/md/$attr`" != " $val" ]
+      then echo "$attr doesn't match for $dev"
+           exit 1
+      fi
+   fi
+ done
+}
+
+
+bu=/tmp/md-test-backup
+rm -f $bu
+mdadm -CR $md0 -l1 -n2 -x1 $dev0 $dev1 $dev2 -z 19968
+testdev $md0 1 $mdsize1a 64
+dd if=/tmp/RandFile of=$md0
+dotest 1
+
+mdadm --grow $md0 -l5 -n3 --chunk 64
+dotest 2
+
+mdadm $md0 --add $dev3 $dev4
+mdadm --grow $md0 -n4 --chunk 32
+dotest 3
+
+mdadm -G $md0 -l6 --backup-file $bu
+dotest 3
+
+mdadm -G /dev/md0 --array-size 39936
+mdadm -G $md0 -n4 --backup-file $bu
+checkgeo md0 raid6 4 $[32*1024]
+dotest 2
+
+mdadm -G $md0 -l5 --backup-file $bu
+checkgeo md0 raid5 3 $[32*1024]
+dotest 2
+
+mdadm -G /dev/md0 --array-size 19968
+mdadm -G $md0 -n2 --backup-file $bu
+checkgeo md0 raid5 2 $[32*1024]
+dotest 1
+
+mdadm -G --level=1 $md0
+dotest 1
+
+# now repeat that last few steps only with a degraded array.
+mdadm -S $md0
+mdadm -CR $md0 -l6 -n5 $dev0 $dev1 $dev2 $dev3 $dev4
+dd if=/tmp/RandFile of=$md0
+dotest 3
+
+mdadm $md0 --fail $dev0
+
+mdadm -G /dev/md0 --array-size 37888
+mdadm -G $md0 -n4 --backup-file $bu
+dotest 2
+checkgeo md0 raid6 4 $[512*1024]
+mdadm $md0 --fail $dev4
+
+mdadm $md0 --fail $dev3
+# now double-degraded.
+# switch layout to a DDF layout and back to make sure that works.
+
+mdadm -G /dev/md0 --layout=ddf-N-continue --backup-file $bu
+checkgeo md0 raid6 4 $[512*1024] 10
+dotest 2
+mdadm -G /dev/md0 --layout=ra --backup-file $bu
+checkgeo md0 raid6 4 $[512*1024] 1
+dotest 2
+
+mdadm -G $md0 -l5 --backup-file $bu
+dotest 2
+
+mdadm -G /dev/md0 --array-size 18944
+mdadm -G $md0 -n2 --backup-file $bu
+dotest 1
+checkgeo md0 raid5 2 $[512*1024]
+mdadm $md0 --fail $dev2
+
+mdadm -G --level=1 $md0
+dotest 1
+checkgeo md0 raid1 2
diff --git a/tests/07layouts b/tests/07layouts
new file mode 100644
index 0000000..acd1a80
--- /dev/null
+++ b/tests/07layouts
@@ -0,0 +1,91 @@
+
+# check that kernel an restripe interpret all the different layouts
+# the same
+# This involves changing the layout to each different possibility
+# while MDADM_GROW_VERIFY is set.
+
+testK=$[64*3*6]
+dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$testK
+export MDADM_GROW_VERITY=1
+
+
+dotest() {
+ sleep 0.5
+ check wait
+ testdev $md0 $1 $mdsize1 512 nd
+ blockdev --flushbufs $md0
+ cmp -s -n $[textK*1024] $md0 /tmp/RandFile || { echo cmp failed; exit 2; }
+ # write something new - shift chars 4 space
+ tr ' -~' '$-~ -#' < /tmp/RandFile > /tmp/RandFile2
+ mv /tmp/RandFile2 /tmp/RandFile
+ dd if=/tmp/RandFile of=$md0
+}
+
+checkgeo() {
+ # check the geometry of an array
+ # level raid_disks chunk_size layout
+ dev=$1
+ shift
+ sleep 0.5
+ check wait
+ for attr in level raid_disks chunk_size layout
+ do
+   if [ $# -gt 0 ] ; then
+      val=$1
+      shift
+      if [ " `sed 's/ .*//' /sys/block/$dev/md/$attr`" != " $val" ]
+      then echo "$attr doesn't match for $dev"
+           exit 1
+      fi
+   fi
+ done
+}
+
+
+bu=/tmp/md-test-backup
+rm -f $bu
+
+# first a degraded 5 device raid5
+mdadm -CR $md0 -l5 -n5 $dev0 $dev1 missing $dev2 $dev3
+dd if=/tmp/RandFile of=$md0
+dotest 4
+
+l5[0]=la
+l5[1]=ra
+l5[2]=ls
+l5[3]=rs
+l5[4]=parity-first
+l5[5]=parity-last
+for layout in 0 1 2 3 4 5 0
+do
+ mdadm -G $md0 --layout=${l5[$layout]} --backup-file $bu
+ checkgeo md0 raid5 5 $[512*1024] $layout
+ dotest 4
+done
+
+mdadm -S $md0
+# now a doubly degraded raid6
+mdadm -CR $md0 -l6 -n5 $dev0 missing $dev2 missing $dev4
+dd if=/tmp/RandFile of=$md0
+dotest 3
+
+l6[0]=la
+l6[1]=ra
+l6[2]=ls
+l6[3]=rs
+l6[4]=parity-first
+l6[5]=parity-last
+l6[8]=ddf-zero-restart
+l6[9]=ddf-N-restart
+l6[10]=ddf-N-continue
+l6[16]=left-asymmetric-6
+l6[17]=right-asymmetric-6
+l6[18]=left-symmetric-6
+l6[19]=right-symmetric-6
+l6[20]=parity-first-6
+for layout in 0 1 2 3 4 5 8 9 10 16 17 18 19 20 0
+do
+ mdadm -G $md0 --layout=${l6[$layout]} --backup-file $bu
+ checkgeo md0 raid6 5 $[512*1024] $layout
+ dotest 3
+done
diff --git a/tests/07reshape5intr b/tests/07reshape5intr
new file mode 100644
index 0000000..0f4803a
--- /dev/null
+++ b/tests/07reshape5intr
@@ -0,0 +1,41 @@
+
+#
+# test interrupting and restarting raid5 reshape.
+set -x
+devs="$dev1"
+st=UU
+for disks in 2 3 4 5
+do
+  eval devs=\"$devs \$dev$disks\"
+  st=U$st
+  for d in $devs
+  do dd if=/dev/urandom of=$d bs=1024 || true
+  done
+
+  case $disks in
+   2 | 3) chunk=1024;;
+   4 ) chunk=512;;
+   5 ) chunk=256;;
+  esac
+
+  mdadm -CR $md0 -amd -l5 -c $chunk -n$disks --assume-clean $devs
+  mdadm $md0 --add $dev6
+  echo 20 > /proc/sys/dev/raid/speed_limit_min
+  echo 20 > /proc/sys/dev/raid/speed_limit_max
+  mdadm --grow $md0 -n $[disks+1]
+  check reshape
+  check state $st
+  mdadm --stop $md0
+  mdadm --assemble $md0 $devs $dev6
+  check reshape
+  echo 1000 > /proc/sys/dev/raid/speed_limit_min
+  echo 2000 > /proc/sys/dev/raid/speed_limit_max
+  check wait
+  while ! echo check > /sys/block/md0/md/sync_action; do sleep 0.1; done
+  check wait
+  mm=`cat /sys/block/md0/md/mismatch_cnt`
+  if [ $mm -gt 0 ]
+  then echo >&2 "ERROR mismatch_cnt non-zero : $mm" ; exit 1
+  fi
+  mdadm -S $md0
+done
diff --git a/tests/07revert-grow b/tests/07revert-grow
new file mode 100644
index 0000000..c8c4e85
--- /dev/null
+++ b/tests/07revert-grow
@@ -0,0 +1,52 @@
+set -e -x
+
+# revert a reshape that is increasing the number of devices,
+# raid5, raid6, and raid10
+
+# metadate 0.90 cannot handle RAID10 growth
+# metadata 1.0 doesn't get a default headspace, is don't try it either.
+
+for metadata in 0.90 1.1 1.2
+do
+# RAID5
+mdadm -CR --assume-clean $md0 -l5 -n4 -x1 $devlist4 --metadata=$metadata
+check raid5
+testdev $md0 3 $mdsize1 512
+mdadm -G $md0 -n 5
+sleep 3
+mdadm -S $md0
+mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
+check wait
+check raid5
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
+
+# RAID6
+mdadm -CR --assume-clean $md0 -l6 -n4 -x1 $devlist4 --metadata=$metadata
+check raid6
+testdev $md0 2 $mdsize1 512
+mdadm -G $md0 -n 5
+sleep 3
+mdadm -S $md0
+mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
+check wait
+check raid6
+testdev $md0 2 $mdsize1 512
+mdadm -S $md0
+
+if [ $metadata = 0.90 ]; then continue; fi
+
+# RAID10
+mdadm -CR --assume-clean $md0 -l10 -n4 -x1 $devlist4 --metadata=$metadata
+check raid10
+testdev $md0 2 $mdsize1 512
+mdadm -G $md0 -n 5
+sleep 3
+mdadm -S $md0
+strace -o /tmp/str ./mdadm -A $md0 --update=revert-reshape $devlist4
+check wait
+check raid10
+testdev $md0 2 $mdsize1 512
+mdadm -S $md0
+
+done
diff --git a/tests/07revert-inplace b/tests/07revert-inplace
new file mode 100644
index 0000000..a73eb97
--- /dev/null
+++ b/tests/07revert-inplace
@@ -0,0 +1,44 @@
+set -e -x
+
+# revert a reshape that is not changing the number of data devices,
+# raid5, raid6, and raid10
+
+# RAID5 -> RAID6
+mdadm -CR --assume-clean $md0 -l5 -n4 -x1 $devlist4
+check raid5
+testdev $md0 3 $mdsize1 512
+mdadm -G $md0 -l 6
+sleep 2
+mdadm -S $md0
+mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
+check wait
+check raid6
+check algorithm 18
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
+
+# RAID6 -> RAID5
+mdadm -CR --assume-clean $md0 -l6 -n5 $devlist4
+check raid6
+testdev $md0 3 $mdsize1 512
+mdadm -G $md0 -l 5
+sleep 2
+mdadm -S $md0
+mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=/tmp/md-backup
+check wait
+check raid6
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
+
+# RAID10 - decrease chunk size
+mdadm -CR --assume-clean $md0 -l10 -n6 -c 64 $devlist5
+check raid10
+testdev $md0 3 $mdsize1 64
+mdadm -G $md0 -c 32
+sleep 2
+mdadm -S $md0
+strace -o /tmp/str ./mdadm -A $md0 --update=revert-reshape $devlist5
+check wait
+check raid10
+testdev $md0 3 $mdsize1 64
+mdadm -S $md0
diff --git a/tests/07revert-shrink b/tests/07revert-shrink
new file mode 100644
index 0000000..62b5ae0
--- /dev/null
+++ b/tests/07revert-shrink
@@ -0,0 +1,56 @@
+set -e -x
+
+# revert a reshape that is decreasing the number of devices,
+# raid5, raid6, and raid10
+
+bu=$targetdir/md-backup
+rm -f $bu
+# RAID5
+mdadm -CR --assume-clean $md0 -l5 -n5  $devlist4
+check raid5
+testdev $md0 4 $mdsize1 512
+mdadm --grow $md0 --array-size 56832
+testdev $md0 3 $mdsize1 512
+mdadm -G $md0 -n 4 --backup=$bu
+sleep 3
+mdadm -S $md0
+mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=$bu
+check wait
+check raid5
+fsck -f -n $md0
+testdev $md0 4 $mdsize1 512
+mdadm -S $md0
+
+#FIXME
+rm -f $bu
+# RAID6
+mdadm -CR --assume-clean $md0 -l6 -n5 $devlist4
+check raid6
+testdev $md0 3 $mdsize1 512
+mdadm --grow $md0 --array-size 37888
+testdev $md0 2 $mdsize1 512
+mdadm -G $md0 -n 4 --backup=$bu
+sleep 2
+mdadm -S $md0
+mdadm -A $md0 --update=revert-reshape $devlist4 --backup-file=$bu
+check wait
+check raid6
+fsck -f -n $md0
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
+
+# RAID10
+mdadm -CR --assume-clean $md0 -l10 -n6 $devlist5
+check raid10
+testdev $md0 3 $mdsize1 512
+mdadm --grow $md0 --array-size 36864
+testdev $md0 2 $mdsize1 512
+mdadm -G $md0 -n 4
+sleep 3
+mdadm -S $md0
+mdadm -A $md0 --update=revert-reshape $devlist5
+check wait
+check raid10
+fsck -f -n $md0
+testdev $md0 3 $mdsize1 512
+mdadm -S $md0
diff --git a/tests/07testreshape5 b/tests/07testreshape5
new file mode 100644
index 0000000..0e1f25f
--- /dev/null
+++ b/tests/07testreshape5
@@ -0,0 +1,45 @@
+
+#
+# test the reshape code by using test_reshape and the
+# kernel md code to move data into and out of variously
+# shaped md arrays.
+set -x
+layouts=(la ra ls rs)
+for level in 5 6
+do
+for chunk in 4 8 16 32 64 128
+do
+  devs="$dev1"
+  for disks in 2 3 4 5 6
+  do
+    eval devs=\"$devs \$dev$disks\"
+    if [ " $level $disks" = " 6 3" -o " $level $disks" = " 6 2" ]
+    then continue
+    fi
+    for nlayout in 0 1 2 3
+    do
+      layout=${layouts[$nlayout]}
+
+      size=$[chunk*(disks-(level-4))*disks]
+
+      # test restore: make a raid5 from a file, then do a compare
+      dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$size
+      $dir/test_stripe restore /tmp/RandFile $disks $[chunk*1024] $level $nlayout 0 $[size*1024] $devs
+      mdadm -CR -e 1.0 $md0 -amd -l$level -n$disks --assume-clean -c $chunk -p $layout $devs
+      cmp -s -n $[size*1024] $md0 /tmp/RandFile || { echo cmp failed ; exit 2; }
+
+      # FIXME check parity
+
+      # test save
+      dd if=/dev/urandom of=$md0 bs=1024 count=$size
+      blockdev --flushbufs $md0 $devs; sync
+      > /tmp/NewRand
+      $dir/test_stripe save /tmp/NewRand $disks $[chunk*1024] $level $nlayout 0 $[size*1024] $devs
+      cmp -s -n $[size*1024] $md0 /tmp/NewRand || { echo cmp failed ; exit 2; }
+      mdadm -S $md0
+      udevadm settle
+    done
+  done
+done
+done
+exit 0
diff --git a/tests/09imsm-assemble b/tests/09imsm-assemble
new file mode 100644
index 0000000..d7028c6
--- /dev/null
+++ b/tests/09imsm-assemble
@@ -0,0 +1,73 @@
+# validate the prodigal member disk scenario i.e. a former container
+# member is returned after having been rebuilt on another system
+
+
+imsm_check_hold() {
+   if mdadm --remove $1 $2; then
+       echo "$2 removal from $1 should have been blocked" >&2
+       cat /proc/mdstat >&2
+       mdadm -E $2
+       exit 1
+   fi
+}
+
+imsm_check_removal() {
+   if ! mdadm --remove $1 $2 ; then
+       echo "$2 removal from $1 should have succeeded" >&2
+       cat /proc/mdstat >&2
+       mdadm -E $2
+       exit 1
+   fi
+}
+
+export IMSM_DEVNAME_AS_SERIAL=1
+export IMSM_TEST_OROM=1
+export IMSM_NO_PLATFORM=1
+container=/dev/md/container
+member=/dev/md/vol0
+
+
+num_disks=4
+size=$((10*1024))
+mdadm -CR $container -e imsm -n $num_disks $dev0 $dev1 $dev2 $dev3
+mdadm -CR $member $dev0 $dev2 -n 2 -l 1 -z $size
+mdadm --wait $member || true
+mdadm -Ss
+
+# make dev0 and dev1 a new rebuild family
+mdadm -A $container $dev0 $dev1
+mdadm -IR $container
+mdadm --wait ${member}_0 || true
+mdadm -Ss
+
+# make dev2 and dev3 a new rebuild family
+mdadm -A $container $dev2 $dev3
+mdadm -IR $container
+mdadm --wait ${member}_0 || true
+mdadm -Ss
+
+# reassemble and make sure one of the families falls out
+mdadm -A $container $dev0 $dev1 $dev2 $dev3
+mdadm -IR $container
+testdev ${member}_0 1 $size 64
+if mdadm --remove $container $dev0 ; then
+    # the dev[23] family won
+    imsm_check_removal $container $dev1
+    imsm_check_hold $container $dev2
+    imsm_check_hold $container $dev3
+else
+    # the dev[01] family won
+    imsm_check_hold $container $dev1
+    imsm_check_removal $container $dev2
+    imsm_check_removal $container $dev3
+fi
+mdadm -Ss
+
+# reassemble with a new id for the dev[23] family
+mdadm -A $container $dev0 $dev1
+mdadm -IR $container
+mdadm -A ${container}2 $dev2 $dev3 --update=uuid
+mdadm -IR ${container}2
+
+testdev ${member}_0 1 $size 64
+testdev ${member}_1 1 $size 64
diff --git a/tests/09imsm-create-fail-rebuild b/tests/09imsm-create-fail-rebuild
new file mode 100644
index 0000000..f09b437
--- /dev/null
+++ b/tests/09imsm-create-fail-rebuild
@@ -0,0 +1,78 @@
+# sanity check array creation
+
+imsm_check_hold() {
+   if mdadm --remove $1 $2; then
+       echo "$2 removal from $1 should have been blocked" >&2
+       cat /proc/mdstat >&2
+       mdadm -E $2
+       exit 1
+   fi
+}
+
+imsm_check_removal() {
+   if ! mdadm --remove $1 $2 ; then
+       echo "$2 removal from $1 should have succeeded" >&2
+       cat /proc/mdstat >&2
+       mdadm -E $2
+       exit 1
+   fi
+}
+
+. tests/env-imsm-template
+
+# IMSM rounds to multiples of one mebibyte - 1024K
+DEV_ROUND_K=1024
+
+num_disks=2
+mdadm -CR $container -e imsm -n $num_disks $dev0 $dev1
+imsm_check container $num_disks
+
+# RAID0 + RAID1
+size=9000
+level=0
+chunk=64
+offset=0
+mdadm -CR $member0 $dev0 $dev1 -n $num_disks -l $level -z $size -c $chunk
+imsm_check member $member0 $num_disks $level $size $((size*2)) $offset $chunk
+testdev $member0 $num_disks $size $chunk
+
+offset=$(((size & ~(1024 - 1)) + 4096))
+size=4000
+level=1
+chunk=0
+mdadm -CR $member1 $dev0 $dev1 -n $num_disks -l $level -z $size
+imsm_check member $member1 $num_disks $level $size $size $offset $chunk
+testdev $member1 1 $size 64
+check wait
+
+mdadm -Ss
+
+# RAID10 + RAID5
+num_disks=4
+mdadm -CR $container -e imsm -n $num_disks $dev0 $dev1 $dev2 $dev3
+imsm_check container $num_disks
+
+size=9000
+level=10
+chunk=64
+offset=0
+mdadm -CR $member0 $dev0 $dev1 $dev2 $dev3 -n $num_disks -l $level -z $size -c $chunk
+imsm_check member $member0 $num_disks $level $size $((size*2)) $offset $chunk
+testdev $member0 $((num_disks-2)) $size $chunk
+
+offset=$(((size & ~(1024 - 1)) + 4096))
+size=4000
+level=5
+mdadm -CR $member1 $dev0 $dev1 $dev2 $dev3 -n $num_disks -l $level -z $size -c $chunk
+imsm_check member $member1 $num_disks $level $size $((size*3)) $offset $chunk
+testdev $member1 $((num_disks-1)) $size $chunk
+check wait
+
+# FAIL / REBUILD
+imsm_check_hold $container $dev0
+mdadm --fail $member0 $dev0
+mdadm --wait-clean --scan || true
+imsm_check_removal $container $dev0
+mdadm --add $container $dev4
+check wait
+imsm_check_hold $container $dev4
diff --git a/tests/09imsm-overlap b/tests/09imsm-overlap
new file mode 100644
index 0000000..ff5d209
--- /dev/null
+++ b/tests/09imsm-overlap
@@ -0,0 +1,28 @@
+
+. tests/env-imsm-template
+
+# create raid arrays with varying degress of overlap
+mdadm -CR $container -e imsm -n 6 $dev0 $dev1 $dev2 $dev3 $dev4 $dev5
+imsm_check container 6
+
+size=1024
+level=1
+num_disks=2
+mdadm -CR $member0 $dev0 $dev1 -n $num_disks -l $level -z $size
+mdadm -CR $member1 $dev1 $dev2 -n $num_disks -l $level -z $size
+mdadm -CR $member2 $dev2 $dev3 -n $num_disks -l $level -z $size
+mdadm -CR $member3 $dev3 $dev4 -n $num_disks -l $level -z $size
+mdadm -CR $member4 $dev4 $dev5 -n $num_disks -l $level -z $size
+
+udevadm settle
+
+offset=0
+imsm_check member $member0 $num_disks $level $size 1024 $offset
+offset=$((offset+size+4096))
+imsm_check member $member1 $num_disks $level $size 1024 $offset
+offset=$((offset+size+4096))
+imsm_check member $member2 $num_disks $level $size 1024 $offset
+offset=$((offset+size+4096))
+imsm_check member $member3 $num_disks $level $size 1024 $offset
+offset=$((offset+size+4096))
+imsm_check member $member4 $num_disks $level $size 1024 $offset
diff --git a/tests/10ddf-assemble-missing b/tests/10ddf-assemble-missing
new file mode 100644
index 0000000..4bf21b2
--- /dev/null
+++ b/tests/10ddf-assemble-missing
@@ -0,0 +1,61 @@
+# An array is assembled incompletely.
+# Re missing disks get marked as missing and are not allowed back in
+
+. tests/env-ddf-template
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+rm -f $tmp /var/tmp/mdmon.log
+ret=0
+
+mdadm -CR $container -e ddf -n 4 $dev8 $dev9 $dev10 $dev11
+ddf_check container 4
+
+mdadm -CR $member1 -n 4 -l 10 $dev8 $dev10 $dev9 $dev11 -z 10000
+mdadm -CR $member0 -n 2 -l 1 $dev8 $dev9 -z 10000
+
+mdadm --wait $member0 || true
+mdadm --wait $member1 || true
+
+mdadm -Ss
+sleep 1
+
+# Add all devices except those for $member0
+mdadm -I $dev10
+mdadm -I $dev11
+
+# Start runnable members
+mdadm -IRs || true
+mdadm -Ss
+
+#[ -f /var/tmp/mdmon.log ] && cat /var/tmp/mdmon.log
+
+# Now reassemble
+# This should work because BVDs weren't written to
+for d in $dev8 $dev9 $dev10 $dev11; do
+    mdadm -I $d
+done
+mdadm -Ss
+
+# Expect consistent state
+for d in $dev10 $dev11; do
+    mdadm -E $d>$tmp
+    egrep 'state\[0\] : Degraded, Consistent' $tmp || {
+        ret=1
+        echo ERROR: $member0 has unexpected state on $d
+    }
+    egrep 'state\[1\] : Optimal, Consistent' $tmp || {
+        ret=1
+        echo ERROR: $member1 has unexpected state on $d
+    }
+
+    if [ x$(egrep -c 'active/Online$' $tmp) != x2 ]; then
+	ret=1
+	echo ERROR: unexpected number of online disks on $d
+    fi
+done
+
+if [ $ret -ne 0 ]; then
+    mdadm -E $dev10
+    mdadm -E $dev8
+fi
+rm -f $tmp /var/tmp/mdmon.log
+[ $ret -eq 0 ]
diff --git a/tests/10ddf-create b/tests/10ddf-create
new file mode 100644
index 0000000..44e9544
--- /dev/null
+++ b/tests/10ddf-create
@@ -0,0 +1,89 @@
+#
+# Test basic DDF functionality.
+#
+# Create a container with 5 drives
+# create a small raid0 across them all,
+# then a small raid10 using 4 drives, then a 2disk raid1
+# and a 3disk raid5 using the remaining space
+#
+# add some data, tear down the array, reassemble
+# and make sure it is still there.
+set -e
+. tests/env-ddf-template
+sda=$(get_rootdev) || exit 1
+
+mdadm -CR /dev/md/ddf0 -e ddf -n 5 $dev8 $dev9 $dev10 $dev11 $dev12
+mdadm -CR r5 -l5 -n5 /dev/md/ddf0 -z 5000
+if mdadm -CR r5 -l1 -n2 /dev/md/ddf0 -z 5000
+then echo >&2 create with same name should fail ; exit 1
+fi
+mdadm -CR r10 -l10 -n4 -pn2 /dev/md/ddf0 -z 5000
+mdadm -CR r1 -l1 -n2 /dev/md/ddf0
+mdadm -CR r0 -l0 -n3 /dev/md/ddf0
+testdev /dev/md/r5 4 5000 512
+testdev /dev/md/r10 2 5000 512
+# r0/r10 will use 4608 due to chunk size, so that leaves 23552 for the rest
+testdev /dev/md/r1 1 23552 64
+testdev /dev/md/r0 3 23552 512
+dd if=$sda of=/dev/md/r0 || true
+dd if=$sda of=/dev/md/r10 || true
+dd if=$sda of=/dev/md/r1 || true
+dd if=$sda of=/dev/md/r5 || true
+
+s0=`sha1sum /dev/md/r0`
+s10=`sha1sum /dev/md/r10`
+s1=`sha1sum /dev/md/r1`
+s5=`sha1sum /dev/md/r5`
+
+
+mdadm -Ss
+mdadm -A /dev/md/ddf0  $dev8 $dev9 $dev10 $dev11 $dev12
+mdadm -I /dev/md/ddf0
+
+udevadm settle
+s0a=`sha1sum /dev/md/r0`
+s10a=`sha1sum /dev/md/r10`
+s1a=`sha1sum /dev/md/r1`
+s5a=`sha1sum /dev/md/r5`
+
+if [ "$s0" != "$s0a" ]; then
+   echo r0 did not match ; exit 1;
+fi
+if [ "$s10" != "$s10a" ]; then
+   echo r10 did not match ; exit 1;
+fi
+if [ "$s1" != "$s1a" ]; then
+   echo r1 did not match ; exit 1;
+fi
+if [ "$s5" != "$s5a" ]; then
+   echo r5 did not match ; exit 1;
+fi
+
+# failure status just means it has completed already, so ignore it.
+mdadm --wait /dev/md/r1 || true
+mdadm --wait /dev/md/r10 || true
+mdadm --wait /dev/md/r5 || true
+
+mdadm -Dbs > /var/tmp/mdadm.conf
+
+mdadm -Ss
+
+# Now try to assemble using mdadm.conf
+mdadm -Asc /var/tmp/mdadm.conf
+check nosync  # This failed once. The raid5 was resyncing.
+udevadm settle
+mdadm -Dbs | sort > /tmp/mdadm.conf
+sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
+mdadm -Ss
+
+# and now assemble fully incrementally.
+for i in  $dev8 $dev9 $dev10 $dev11 $dev12
+do
+   mdadm -I $i -c /var/tmp/mdadm.conf
+done
+check nosync
+udevadm settle
+mdadm -Dbs | sort > /tmp/mdadm.conf
+sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
+mdadm -Ss
+rm /tmp/mdadm.conf /var/tmp/mdadm.conf
diff --git a/tests/10ddf-create-fail-rebuild b/tests/10ddf-create-fail-rebuild
new file mode 100644
index 0000000..a8e8ced
--- /dev/null
+++ b/tests/10ddf-create-fail-rebuild
@@ -0,0 +1,77 @@
+# sanity check array creation
+
+ddf_check_hold() {
+   if mdadm --remove $1 $2; then
+       echo "$2 removal from $1 should have been blocked" >&2
+       cat /proc/mdstat >&2
+       mdadm -E $2
+       exit 1
+   fi
+}
+
+ddf_check_removal() {
+   if ! mdadm --remove $1 $2 ; then
+       echo "$2 removal from $1 should have succeeded" >&2
+       cat /proc/mdstat >&2
+       mdadm -E $2
+       exit 1
+   fi
+}
+
+. tests/env-ddf-template
+
+num_disks=2
+mdadm -CR $container -e ddf -n $num_disks $dev8 $dev9
+ddf_check container $num_disks
+
+# RAID0 + RAID1
+size=9000
+level=0
+chunk=64
+offset=0
+layout=0
+mdadm -CR $member0 $dev8 $dev9 -n $num_disks -l $level -z $size -c $chunk
+ddf_check member $member0 $num_disks $level $size $((size*2)) $offset $chunk $layout
+testdev $member0 $num_disks $size $chunk
+
+offset=$(((size & ~(chunk - 1))))
+size=4000
+level=1
+chunk=0
+mdadm -CR $member1 $dev8 $dev9 -n $num_disks -l $level -z $size
+ddf_check member $member1 $num_disks $level $size $size $offset $chunk $layout
+testdev $member1 1 $size 1
+check wait
+
+mdadm -Ss
+
+# RAID10 + RAID5
+num_disks=4
+mdadm -CR $container -e ddf -n $num_disks $dev8 $dev9 $dev10 $dev11
+ddf_check container $num_disks
+
+size=9000
+level=10
+chunk=64
+offset=0
+layout=2
+mdadm -CR $member0 $dev8 $dev9 $dev10 $dev11 -n $num_disks -l $level -z $size -c $chunk
+ddf_check member $member0 $num_disks $level $size $((size*2)) $offset $chunk $layout
+testdev $member0 $((num_disks-2)) $size $chunk
+
+offset=$(((size & ~(chunk - 1))))
+size=4000
+level=5
+mdadm -CR $member1 $dev8 $dev9 $dev10 $dev11 -n $num_disks -l $level -z $size -c $chunk
+ddf_check member $member1 $num_disks $level $size $((size*3)) $offset $chunk $layout
+testdev $member1 $((num_disks-1)) $size $chunk
+check wait
+
+# FAIL / REBUILD
+ddf_check_hold $container $dev8
+mdadm --fail $member0 $dev8
+mdadm --wait-clean --scan || true
+ddf_check_removal $container $dev8
+mdadm --add $container $dev12
+check wait
+ddf_check_hold $container $dev12
diff --git a/tests/10ddf-fail-create-race b/tests/10ddf-fail-create-race
new file mode 100644
index 0000000..bd5dfb5
--- /dev/null
+++ b/tests/10ddf-fail-create-race
@@ -0,0 +1,66 @@
+# This test creates a RAID1, fails a disk, and immediately
+# (simultaneously) creates a new array. This tests for a possible
+# race where the meta data reflecting the disk failure may not
+# be written when the 2nd array is created.
+. tests/env-ddf-template
+
+mdadm --zero-superblock $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
+
+mdadm -CR $container -e ddf -l container -n 2 $dev11 $dev12
+#$dir/mdadm -CR $member0 -l raid1 -n 2 $container -z 10000  >/tmp/mdmon.txt 2>&1
+mdadm -CR $member0 -l raid1 -n 2 $container -z 10000
+check wait
+fail0=$dev11
+mdadm --fail $member0 $fail0 &
+
+# The test can succeed two ways:
+# 1) mdadm -C member1 fails - in this case the meta data
+# was already on disk when the create attempt was made
+# 2) mdadm -C succeeds in the first place (meta data not on disk yet),
+# but mdmon detects the problem and sets the disk faulty.
+
+if mdadm -CR $member1 -l raid1 -n 2 $container; then
+
+   echo create should have failed / race condition?
+
+   check wait
+   set -- $(get_raiddisks $member0)
+   d0=$1
+   ret=0
+   if [ $1 = $fail0 -o $2 = $fail0 ]; then
+       ret=1
+   else
+       set -- $(get_raiddisks $member1)
+       if [ $1 = $fail0 -o $2 = $fail0 ]; then
+	   ret=1
+       fi
+   fi
+   if [ $ret -eq 1 ]; then
+       echo ERROR: failed disk $fail0 is still a RAID member
+       echo $member0: $(get_raiddisks $member0)
+       echo $member1: $(get_raiddisks $member1)
+   fi
+   tmp=$(mktemp /tmp/mdest-XXXXXX)
+   mdadm -E $d0 >$tmp
+   if [ x$(grep -c 'state\[[01]\] : Degraded' $tmp) != x2 ]; then
+       echo ERROR: non-degraded array found
+       mdadm -E $d0
+       ret=1
+   fi
+   if ! grep -q '^  *0  *[0-9a-f]\{8\} .*Offline, Failed' $tmp; then
+       echo ERROR: disk 0 not marked as failed in meta data
+       mdadm -E $d0
+       ret=1
+   fi
+   rm -f $tmp
+else
+   ret=0
+fi
+
+[ -f /tmp/mdmon.txt ] && {
+    cat /tmp/mdmon.txt
+    rm -f /tmp/mdmon.txt
+}
+
+[ $ret -eq 0 ]
+
diff --git a/tests/10ddf-fail-readd b/tests/10ddf-fail-readd
new file mode 100644
index 0000000..9cd7893
--- /dev/null
+++ b/tests/10ddf-fail-readd
@@ -0,0 +1,55 @@
+# Simple fail / re-add test
+. tests/env-ddf-template
+
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+rm -f $tmp
+
+mdadm --zero-superblock $dev8 $dev9
+mdadm -CR $container -e ddf -l container -n 2 $dev8 $dev9
+
+mdadm -CR $member0 -l raid1 -n 2 $container
+#$dir/mdadm -CR $member0 -l raid1 -n 2 $container >/tmp/mdmon.txt 2>&1
+
+mke2fs -F $member0
+check wait
+
+set -- $(get_raiddisks $member0)
+fail0=$1
+mdadm $member0 --fail $fail0
+
+sleep 1
+mdadm $container --remove $fail0
+
+set -- $(get_raiddisks $member0)
+case $1 in MISSING) shift;; esac
+good0=$1
+
+# We re-add the disk now
+mdadm $container --add $fail0
+
+sleep 1
+mdadm --wait $member0 || true
+
+ret=0
+set -- $(get_raiddisks $member0)
+case $1:$2 in
+    $dev8:$dev9|$dev9:$dev8);;
+    *) echo ERROR: bad raid disks "$@"; ret=1;;
+esac
+
+mdadm -Ss
+for x in $@; do
+    mdadm -E $x  >$tmp
+    if ! grep -q 'state\[0\] : Optimal, Consistent' $tmp; then
+	echo ERROR: member 0 should be optimal in meta data on $x
+	ret=1
+    fi
+done
+
+rm -f $tmp
+if [ $ret -ne 0 ]; then
+    mdadm -E $dev8
+    mdadm -E $dev9
+fi
+
+[ $ret -eq 0 ]
diff --git a/tests/10ddf-fail-readd-readonly b/tests/10ddf-fail-readd-readonly
new file mode 100644
index 0000000..6a74d9c
--- /dev/null
+++ b/tests/10ddf-fail-readd-readonly
@@ -0,0 +1,71 @@
+# Simple fail / re-add test
+. tests/env-ddf-template
+
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+rm -f $tmp
+
+mdadm --zero-superblock $dev8 $dev9
+mdadm -CR $container -e ddf -l container -n 2 $dev8 $dev9
+
+mdadm -CR $member0 -l raid1 -n 2 $container
+#$dir/mdadm -CR $member0 -l raid1 -n 2 $container >/tmp/mdmon.txt 2>&1
+
+check wait
+
+set -- $(get_raiddisks $member0)
+fail0=$1
+mdadm $member0 --fail $fail0
+
+sleep 1
+set -- $(get_raiddisks $member0)
+case $1 in MISSING) shift;; esac
+good0=$1
+
+# Check that the meta data now show one disk as failed
+ret=0
+for x in $@; do
+    mdadm -E $x  >$tmp
+    if ! grep -q 'state\[0\] : Degraded, Consistent' $tmp; then
+	echo ERROR: member 0 should be degraded in meta data on $x
+	ret=1
+    fi
+    phys=$(grep $x $tmp)
+    case $x:$phys in
+    $fail0:*active/Offline,\ Failed);;
+    $good0:*active/Online);;
+    *) echo ERROR: wrong phys disk state for $x
+       ret=1
+       ;;
+    esac
+done
+
+mdadm $container --remove $fail0
+
+# We re-add the disk now
+mdadm $container --add $fail0
+
+sleep 1
+mdadm --wait $member0 || true
+
+set -- $(get_raiddisks $member0)
+case $1:$2 in
+    $dev8:$dev9|$dev9:$dev8);;
+    *) echo ERROR: bad raid disks "$@"; ret=1;;
+esac
+
+mdadm -Ss
+for x in $@; do
+    mdadm -E $x  >$tmp
+    if ! grep -q 'state\[0\] : Optimal, Consistent' $tmp; then
+	echo ERROR: member 0 should be optimal in meta data on $x
+	ret=1
+    fi
+done
+
+rm -f $tmp
+if [ $ret -ne 0 ]; then
+    mdadm -E $dev8
+    mdadm -E $dev9
+fi
+
+[ $ret -eq 0 ]
diff --git a/tests/10ddf-fail-spare b/tests/10ddf-fail-spare
new file mode 100644
index 0000000..ab737ca
--- /dev/null
+++ b/tests/10ddf-fail-spare
@@ -0,0 +1,86 @@
+# Test suggested by Albert Pauw: Create, fail one disk, have mdmon
+# activate the spare,
+# then run create again. Shouldn't use the failed disk for Create,
+. tests/env-ddf-template
+
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+rm -f $tmp
+
+mdadm --zero-superblock $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
+mdadm -CR $container -e ddf -l container -n 5 $dev8 $dev9 $dev10 $dev11 $dev12
+
+mdadm -CR $member0 -l raid1 -n 2 $container
+#$dir/mdadm -CR $member0 -l raid1 -n 2 $container >/tmp/mdmon.txt 2>&1
+
+check wait
+
+set -- $(get_raiddisks $member0)
+fail0=$1
+mdadm --fail $member0 $fail0
+
+# To make sure the spare is activated, we may have to sleep
+# 2s has always been enough for me
+sleep 2
+check wait
+
+# This test can succeed both ways - if spare was activated
+# before new array was created, we see only member 0.
+# otherwise, we see both, adn member0 is degraded because the
+# new array grabbed the spare
+# which case occurs depends on the sleep time above.
+ret=0
+if mdadm -CR $member1 -l raid5 -n 3 $container; then
+   # Creation successful - must have been quicker than spare activation
+
+   check wait
+   set -- $(get_raiddisks $member1)
+   if [ $1 = $fail0 -o $2 = $fail0 -o $3 = $fail0 ]; then
+       echo ERROR: $member1 must not contain $fail0: $@
+       ret=1
+   fi
+   d1=$1
+   mdadm -E $d1 >$tmp
+   if ! grep -q 'state\[1\] : Optimal, Consistent' $tmp; then
+       echo ERROR: member 1 should be optimal in meta data
+       ret=1
+   fi
+   state0=Degraded
+else
+   # Creation unsuccessful - spare was used for member 0
+   state0=Optimal
+fi
+
+# need to delay a little bit, sometimes the meta data aren't
+# up-to-date yet
+sleep 0.5
+set -- $(get_raiddisks $member0)
+if [ $1 = $fail0 -o $2 = $fail0 ]; then
+    echo ERROR: $member0 must not contain $fail0: $@
+    ret=1
+fi
+d0=$1
+
+[ -f $tmp ] || mdadm -E $d0 >$tmp
+
+if ! grep -q 'state\[0\] : '$state0', Consistent' $tmp; then
+    echo ERROR: member 0 should be $state0 in meta data
+    ret=1
+fi
+if ! grep -q 'Offline, Failed' $tmp; then
+    echo ERROR: Failed disk expected in meta data
+    ret=1
+fi
+if [ $ret -eq 1 ]; then
+    cat /proc/mdstat
+    mdadm -E $d0
+    mdadm -E $d1
+    mdadm -E $fail0
+fi
+
+[ -f /tmp/mdmon.txt ] && {
+    cat /tmp/mdmon.txt
+    rm -f /tmp/mdmon.txt
+}
+
+rm -f $tmp
+[ $ret -eq 0 ]
diff --git a/tests/10ddf-fail-stop-readd b/tests/10ddf-fail-stop-readd
new file mode 100644
index 0000000..f8ebe17
--- /dev/null
+++ b/tests/10ddf-fail-stop-readd
@@ -0,0 +1,66 @@
+# Simple fail / re-add test
+. tests/env-ddf-template
+
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+rm -f $tmp
+
+mdadm --zero-superblock $dev8 $dev9
+mdadm -CR $container -e ddf -l container -n 2 $dev8 $dev9
+
+mdadm -CR $member0 -l raid1 -n 2 $container
+#$dir/mdadm -CR $member0 -l raid1 -n 2 $container >/tmp/mdmon.txt 2>&1
+
+# Write to the array
+mke2fs -F $member0
+check wait
+
+set -- $(get_raiddisks $member0)
+fail0=$1
+mdadm $member0 --fail $fail0
+
+sleep 1
+mdadm $container --remove $fail0
+
+set -- $(get_raiddisks $member0)
+case $1 in MISSING) shift;; esac
+good0=$1
+
+mdadm -Ss
+
+sleep 1
+# Now simulate incremental assembly
+mdadm -I $good0
+mdadm -IRs || true
+
+# Write to the array
+mke2fs -F $member0
+
+# We re-add the disk now
+mdadm $container --add $fail0
+
+sleep 1
+mdadm --wait $member0 || true
+
+ret=0
+set -- $(get_raiddisks $member0)
+case $1:$2 in
+    $dev8:$dev9|$dev9:$dev8);;
+    *) echo ERROR: bad raid disks "$@"; ret=1;;
+esac
+
+mdadm -Ss
+for x in $@; do
+    mdadm -E $x  >$tmp
+    if ! grep -q 'state\[0\] : Optimal, Consistent' $tmp; then
+	echo ERROR: member 0 should be optimal in meta data on $x
+	ret=1
+    fi
+done
+
+rm -f $tmp
+if [ $ret -ne 0 ]; then
+    mdadm -E $dev8
+    mdadm -E $dev9
+fi
+
+[ $ret -eq 0 ]
diff --git a/tests/10ddf-fail-twice b/tests/10ddf-fail-twice
new file mode 100644
index 0000000..6af1943
--- /dev/null
+++ b/tests/10ddf-fail-twice
@@ -0,0 +1,59 @@
+. tests/env-ddf-template
+
+num_disks=5
+mdadm -CR $container -e ddf -n $num_disks $dev8 $dev9 $dev10 $dev11 $dev12
+ddf_check container $num_disks
+
+mdadm -CR $member0 -n 2 -l 1 $container
+mdadm -CR $member1 -n 3 -l 5 $container
+
+mdadm --wait $member1 $member0 || mdadm --wait $member1 $member0 || true
+
+set -- $(get_raiddisks $member0)
+fail0=$1
+mdadm $member0 --fail $fail0
+set -- $(get_raiddisks $member1)
+fail1=$1
+mdadm $member1 --fail $fail1
+
+mdadm $container --add $dev13
+
+mdadm --wait $member1 $member0 || mdadm --wait $member1 $member0 || true
+
+
+devs0="$(get_raiddisks $member0)"
+devs1="$(get_raiddisks $member1)"
+
+present=$(($(get_present $member0) + $(get_present $member1)))
+[ $present -eq 4 ] || {
+    echo expected 4 present disks, got $present
+    devices for $member0: $devs0
+    devices for $member1: $devs1
+    exit 1
+}
+
+if echo "$devs0" | grep -q MISSING; then
+    good=1
+    bad=0
+else
+    good=0
+    bad=1
+fi
+
+# find a good device
+eval "set -- \$devs$good"
+check=$1
+
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+mdadm -E $check >$tmp
+
+{ grep -q 'state\['$bad'\] : Degraded, Consistent' $tmp &&
+  grep -q 'state\['$good'\] : Optimal, Consistent' $tmp; } || {
+     echo unexpected meta data state on $check
+     mdadm -E $check
+     rm -f $tmp
+     exit 1
+}
+
+rm -f $tmp
+exit 0
diff --git a/tests/10ddf-fail-two-spares b/tests/10ddf-fail-two-spares
new file mode 100644
index 0000000..e00810d
--- /dev/null
+++ b/tests/10ddf-fail-two-spares
@@ -0,0 +1,86 @@
+# Simulate two disks failing shorty after each other
+. tests/env-ddf-template
+sda=$(get_rootdev) || exit 1
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+
+mdadm --zero-superblock $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
+mdadm -CR $container -e ddf -l container -n 6 \
+      $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
+
+#fast_sync
+
+mdadm -CR $member0 -l raid6 -n 4 $dev10 $dev11 $dev12 $dev13 -z 16384
+#$dir/mdadm -CR $member0 -l raid6 -n 4 $dev10 $dev11 $dev12 $dev13  -z 16384 \
+#	    >/tmp/mdmon.txt 2>&1
+mdadm -CR $member1 -l raid10 -n 4 $dev10 $dev11 $dev12 $dev13 -z 16384
+
+dd if=$sda of=$member0 bs=1M count=32
+dd if=$sda of=$member1 bs=1M skip=16 count=16
+
+check wait
+
+sum0=$(sha1sum $member0)
+sum1=$(sha1sum $member1)
+
+mdadm --fail $member1 $dev11
+sleep 1
+mdadm --fail $member1 $dev12
+
+# We will have 4 resync procedures, 2 spares for 2 arrays.
+mdadm --wait $member1 $member0 || true
+mdadm --wait $member1 $member0 || true
+
+devs0="$(get_raiddisks $member0)"
+devs1="$(get_raiddisks $member1)"
+expected="$dev10
+$dev13
+$dev8
+$dev9"
+
+ret=0
+if [ "$(echo "$devs0" | sort)" != "$expected" \
+   -o "$(echo "$devs1" | sort)" != "$expected" ]; then
+    echo ERROR: unexpected members
+    echo $member0: $devs0
+    echo $member1: $devs1
+    ret=1
+fi
+
+mdadm -E $dev10 >$tmp
+if ! grep -q 'state\[0\] : Optimal, Consistent' $tmp; then
+    echo ERROR: $member0 should be optimal in meta data
+    ret=1
+fi
+if ! grep -q 'state\[1\] : Optimal, Consistent' $tmp; then
+    echo ERROR: $member1 should be optimal in meta data
+    ret=1
+fi
+if [ x"$(grep -c active/Online $tmp)" != x4 ]; then
+    echo ERROR: expected 4 online disks
+    ret=1
+fi
+if [ x"$(grep -c "Offline, Failed" $tmp)" != x2 ]; then
+    echo ERROR: expected 2 failed disks
+    ret=1
+fi
+
+sum0a=$(sha1sum $member0)
+sum1a=$(sha1sum $member1)
+
+if [ "$sum0" != "$sum0a" -o "$sum1" != "$sum1a" ]; then
+   echo ERROR: checksum mismatch
+   ret=1
+fi
+
+if [ $ret -eq 1 ]; then
+    cat /proc/mdstat
+    cat $tmp
+fi
+
+[ -f /tmp/mdmon.txt ] && {
+  cat /tmp/mdmon.txt
+  rm -f /tmp/mdmon.txt
+}
+rm -f $tmp
+
+[ $ret -eq 0 ]
diff --git a/tests/10ddf-geometry b/tests/10ddf-geometry
new file mode 100644
index 0000000..b0cce2f
--- /dev/null
+++ b/tests/10ddf-geometry
@@ -0,0 +1,82 @@
+#
+# Test various RAID geometries, creation and deletion of subarrays
+#
+
+assert_fail() {
+    if mdadm "$@"; then
+       echo mdadm "$@" must fail
+       return 1
+    else
+       return 0
+    fi
+}
+
+assert_kill() {
+    local dev=$1 n=$2
+    mdadm -S $dev
+    mdadm --kill-subarray=$n /dev/md/ddf0
+    if mdadm -Dbs | grep -q $dev; then
+        echo >&2 $dev should be deleted
+        return 1
+    fi
+    return 0
+}
+
+set -e
+mdadm -CR /dev/md/ddf0 -e ddf -n 6 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
+
+# RAID1 geometries
+# Use different sizes to make offset calculation harder
+mdadm -CR l1s -l1 -n2 /dev/md/ddf0 -z 8000
+mdadm -CR l1m -l1 -n3 $dev8 $dev9 $dev10 -z 10000
+assert_fail -CR badl1 -l1 -n4 /dev/md/ddf0
+
+# RAID10 geometries
+mdadm -CR l10_0 -l10 -n3 /dev/md/ddf0 -z 1000
+mdadm -CR l10_1 -l10 -n5 /dev/md/ddf0 -z 1000
+assert_fail mdadm -CR badl10 -l10 -n4 -pn3 /dev/md/ddf0
+mdadm -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 4000
+mdadm -CR l10_3 -l10 -n6 -pn3 /dev/md/ddf0 -z 4000
+
+assert_fail -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000
+assert_kill /dev/md/l10_2 4
+# gone now, must be able to create it again
+mdadm -CR l10_2 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000
+
+# Now stop and reassemble
+mdadm -Ss
+mdadm -A /dev/md/ddf0 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
+
+# Same as above, on inactive container
+assert_fail -CR l10_3 -l10 -n6 -pn2 /dev/md/ddf0 -z 5000
+# Kill subarray without having started anything (no mdmon)
+mdadm --kill-subarray=5 /dev/md/ddf0
+mdadm -I /dev/md/ddf0
+mdadm -CR l10_3 -l10 -n6 -pn3 /dev/md/ddf0 -z 5000
+
+assert_kill /dev/md/l10_2 4
+assert_kill /dev/md/l10_3 5
+
+# RAID5 geometries
+mdadm -CR l5la -l5 -n3 --layout=ddf-N-restart /dev/md/ddf0 -z 5000
+mdadm -CR l5ra -l5 -n3 --layout=ddf-zero-restart /dev/md/ddf0 -z 5000
+mdadm -CR l5ls -l5 -n3 --layout=ddf-N-continue /dev/md/ddf0 -z 5000
+assert_fail -CR l5rs -l5 -n3 -prs /dev/md/ddf0 -z 5000
+
+# Stop and reassemble
+mdadm -Ss
+mdadm -A /dev/md/ddf0 $dev8 $dev9 $dev10 $dev11 $dev12 $dev13
+mdadm -I /dev/md/ddf0
+
+assert_kill /dev/md/l5la 4
+assert_kill /dev/md/l5ls 6
+assert_kill /dev/md/l5ra 5
+
+# RAID6 geometries
+assert_fail -CR l6la -l6 -n3 -pla /dev/md/ddf0 -z 5000
+assert_fail -CR l6rs -l5 -n4 -prs /dev/md/ddf0 -z 5000
+mdadm -CR l6la -l6 -n4 --layout=ddf-N-restart /dev/md/ddf0 -z 5000
+mdadm -CR l6ra -l6 -n4 --layout=ddf-zero-restart $dev8 $dev9 $dev10 $dev11 -z 5000
+mdadm -CR l6ls -l6 -n4 --layout=ddf-N-continue $dev13 $dev8 $dev9 $dev12 -z 5000
+
+mdadm -Ss
diff --git a/tests/10ddf-incremental-wrong-order b/tests/10ddf-incremental-wrong-order
new file mode 100644
index 0000000..9ecf6bc
--- /dev/null
+++ b/tests/10ddf-incremental-wrong-order
@@ -0,0 +1,131 @@
+# An array is assembled incompletely. Some disks will
+# have later metadata than others.
+# The array is then reassembled in the "wrong" order -
+# older meta data first.
+# This FAILS with mdadm 3.3
+. tests/env-ddf-template
+tmp=$(mktemp /tmp/mdtest-XXXXXX)
+rm -f $tmp /var/tmp/mdmon.log
+ret=0
+
+mdadm -CR $container -e ddf -n 4 $dev8 $dev9 $dev10 $dev11
+ddf_check container 4
+
+mdadm -CR $member1 -n 4 -l 10 $dev8 $dev10 $dev9 $dev11 -z 10000
+mdadm -CR $member0 -n 2 -l 1 $dev8 $dev9 -z 10000
+
+mdadm --wait $member0 || true
+mdadm --wait $member1 || true
+
+mke2fs -F $member0
+mke2fs -F $member1
+sha_0a=$(sha1_sum $member0)
+sha_1a=$(sha1_sum $member1)
+
+mdadm -Ss
+sleep 1
+
+# Add all devices except those for $member0
+mdadm -I $dev10
+mdadm -I $dev11
+
+# Start runnable members ($member1) and write
+mdadm -IRs || true
+e2fsck -fy $member1
+sha_1b=$(sha1_sum $member1)
+
+mdadm -Ss
+sleep 1
+
+# Seq number should be different now
+seq8a=$(mdadm -E $dev8 | sed -n 's/^ *Seq : //p')
+seq10a=$(mdadm -E $dev10 | sed -n 's/^ *Seq : //p')
+
+if [ $seq8a -ge $seq10a ]; then
+    ret=1
+    echo ERROR: sequential number of $dev10 not bigger than $dev8
+fi
+if [ x$sha_1a = x$sha_1b ]; then
+    ret=1
+    echo ERROR: sha1sums equal after write
+fi
+
+#[ -f /var/tmp/mdmon.log ] && cat /var/tmp/mdmon.log
+
+# Now reassemble
+# Note that we add the previously missing disks first.
+# $dev10 should have a higher seq number than $dev8
+for d in $dev8 $dev9 $dev10 $dev11; do
+    mdadm -I $d
+done
+
+mdadm -IRs || true
+sha_0c=$(sha1_sum $member0)
+sha_1c=$(sha1_sum $member1)
+
+mdadm -Ss
+sleep 1
+
+seq8c=$(mdadm -E $dev8 | sed -n 's/^ *Seq : //p')
+seq10c=$(mdadm -E $dev10 | sed -n 's/^ *Seq : //p')
+
+if [ x$sha_0a != x$sha_0c ]; then
+    ret=1
+    echo ERROR: sha1sum of $member0 has changed
+fi
+if [ x$sha_1b != x$sha_1c ]; then
+    ret=1
+    echo ERROR: sha1sum of $member1 has changed
+fi
+if [ \( $seq10a -ge $seq10c \) -o \( $seq8c -ne $seq10c \) ]; then
+    ret=1
+    echo ERROR: sequential numbers are wrong
+fi
+
+# Expect consistent state
+for d in $dev10 $dev8; do
+    mdadm -E $d>$tmp
+    for x in 0 1; do
+	egrep 'state\['$x'\] : Optimal, Consistent' $tmp || {
+	    ret=1
+	    echo ERROR: $member0 has unexpected state on $d
+	}
+    done
+    if [ x$(egrep -c 'active/Online$' $tmp) != x4 ]; then
+	ret=1
+	echo ERROR: unexpected number of online disks on $d
+    fi
+done
+
+# Now try assembly
+if mdadm -A $container $dev8 $dev9 $dev10 $dev11; then
+    mdadm -IR $container
+    sha_0d=$(sha1_sum $member0)
+    sha_1d=$(sha1_sum $member1)
+    mdadm -Ss
+    sleep 1
+    seq8d=$(mdadm -E $dev8 | sed -n 's/^ *Seq : //p')
+    seq10d=$(mdadm -E $dev10 | sed -n 's/^ *Seq : //p')
+    if [ x$sha_0a != x$sha_0d ]; then
+	ret=1
+	echo ERROR: sha1sum of $member0 has changed
+    fi
+    if [ x$sha_1b != x$sha_1d ]; then
+	ret=1
+	echo ERROR: sha1sum of $member1 has changed
+    fi
+    if [ \( $seq10a -ge $seq10d \) -o \( $seq8d -ne $seq10d \) ]; then
+	ret=1
+	echo ERROR: sequential numbers are wrong
+    fi
+else
+    ret=1
+    echo ERROR: assembly failed
+fi
+
+if [ $ret -ne 0 ]; then
+    mdadm -E $dev10
+    mdadm -E $dev8
+fi
+rm -f $tmp /var/tmp/mdmon.log
+[ $ret -eq 0 ]
diff --git a/tests/10ddf-sudden-degraded b/tests/10ddf-sudden-degraded
new file mode 100644
index 0000000..dc692ae
--- /dev/null
+++ b/tests/10ddf-sudden-degraded
@@ -0,0 +1,18 @@
+#
+# An array is assembled with one device missing.
+# The other device must be marked as Failed in metadata
+
+. tests/env-ddf-template
+
+mdadm -CR $container -e ddf -n 2 $dev8 $dev9
+ddf_check container 2
+
+mdadm -CR $member1 -n 2 -l1 $dev8 $dev9
+mdadm --wait $member1 || true
+mdadm -Ss
+
+mdadm -I $dev8
+mdadm -R $container
+mkfs $member1
+# There must be a missing device recorded
+mdadm --examine $dev8 | grep 'Raid Devices.*--' || exit 1
diff --git a/tests/11spare-migration b/tests/11spare-migration
new file mode 100644
index 0000000..24b6ec6
--- /dev/null
+++ b/tests/11spare-migration
@@ -0,0 +1,454 @@
+# Set of tests for autorebuild functionality using mdadm -F
+# To be able to test ddf one must have all loop devices of bigger size, with the ones
+# above number 7 bigger again by any amount (this is not changed for now as it
+# could affect other tests)
+
+export IMSM_DEVNAME_AS_SERIAL=1
+export IMSM_TEST_OROM=1
+export IMSM_NO_PLATFORM=1
+
+. tests/utils
+set -ex
+verbose="yes"
+sleeptime=10
+
+# if listfailed=yes then don't exit if test failed due to wrong
+# spare-migration and just print a list at the end. Other errors still
+# stop the test.
+# if listfailed=no then exit on first failure
+listfailed="yes"
+
+# start Monitor, set monitorpid
+# uses global scan variable
+# all parameters are numbers of devices to be monitored. only used when $scan="no"
+# eg. monitor 0 1 will start monitoring of containers c0, c1 and subarrays v0, v1
+monitor(){
+       [ -z $monitorpid ] || return
+       if [ "$scan" == "yes" ]; then
+               $mdadm -F -d 1 --scan --mail root@localhost -c $config &
+               monitorpid=$!
+               return
+       fi
+       unset mddevs
+       while [ -n "$1" ]
+       do
+               eval container=\$c$1
+               eval volumes=\$v$1
+               mddevs="$mddevs /dev/$container"
+               if [ "$container" != "$volumes" ]; then
+                       for vol in $volumes; do
+                               mddevs="$mddevs /dev/$vol"
+                       done
+               fi
+               shift
+       done
+       if [ -n "$mddevs" ]; then
+               if [ "$verbose" != "yes" ]; then
+                       $mdadm -F -d 1 $mddevs -c $config >&2 &
+                       monitorpid=$!
+               else
+                       $mdadm -F -t -d 1 $mddevs -c $config &
+                       monitorpid=$!
+               fi
+       fi
+       [ "$verbose" != "yes" ] || echo $mddevs $monitorpid
+}
+
+test0()
+{
+dsc "Test 0: No config file, no spare should be moved"
+> $config
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/$v0 $dev0
+# check that spare loop2 was not moved from container c1 to container c0
+chksparemoved $c1 $c0 $dev2 n
+tidyup
+}
+
+test0a()
+{
+dsc "Test 0a: No domains in config file, no spare should be moved"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+createconfig a
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/$v0 $dev0
+# check that spare loop2 was not moved from container c1 to container c0
+chksparemoved $c1 $c0 $dev2 n
+tidyup
+}
+
+test1()
+{
+dsc "Test 1: Common domain, add disk to one container and fail first one in another container, spare should be moved"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+# create config file with arrays and common domain
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 3 4
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/$v0 $dev0
+# check that spare loop2 was moved from container c1 to container c0
+chksparemoved $c1 $c0 $dev2
+tidyup
+}
+
+test1a()
+{
+dsc "Test 1a: Common domain, add disk to one container and fail second one in another container, spare should be moved"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 3 4
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/$v0 $dev1
+# check that spare loop2 was moved from container c1 to container c0
+chksparemoved $c1 $c0 $dev2
+tidyup
+}
+
+test2()
+{
+dsc "Test 2: Common domain, fail disk in one container and add one to another container, spare should be moved"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 3 4
+monitor 0 1
+mdadm --fail /dev/$v0 $dev1
+mdadm -a /dev/$c1 $dev2
+chksparemoved $c1 $c0 $dev2
+tidyup
+}
+
+test3()
+{
+dsc "Test 3: Two domains, fail a disk in one domain, add a disk to another domain, the spare should not be moved"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+# create config file with 2 domains
+createconfig a
+createconfig domain-$platform"1" $platform spare 0 1 2
+createconfig domain-$platform"2" $platform spare 3 4 5
+monitor 0 1
+mdadm --fail /dev/$v0 $dev1
+mdadm -a /dev/$c1 $dev5
+chksparemoved $c1 $c0 $dev5 n
+tidyup
+}
+
+test4()
+{
+dsc "Test 4: One domain holds one container, fail a disk in domain, and add disk to a container not described by domain, move if metadata allows"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2
+monitor 0 1
+mdadm --fail /dev/$v0 $dev1
+mdadm -a /dev/$c1 $dev5
+unset shouldmove
+[ "$platform" == "imsm" ] || shouldmove="n"
+chksparemoved $c1 $c0 $dev5 $shouldmove
+tidyup
+}
+
+test5()
+{
+dsc "Test 5: Two domains, two containers in each domain"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+setupdevs 2 5 6 $platform
+setupdevs 3 8 10 $platform
+# 2 and 9 for spares
+createconfig a
+createconfig domain-$platform"1" $platform spare 0 1 2 3 4
+createconfig domain-$platform"2" $platform spare 5 6 8 9 10
+monitor 0 1 2 3
+test5a
+test5b
+test5c
+tidyup
+}
+
+test5a()
+{
+dsc "Test 5a: Two containers in each domain, add spare loop2 to domain1 and fail disk in the other domain, the spare should not be moved"
+mdadm -a /dev/$c0 $dev2
+mdadm --fail /dev/$v2 $dev5
+chksparemoved $c0 $c2 $dev2 n
+}
+
+test5b()
+{
+dsc "Test 5b: Fail disk in the same domain but different container, spare loop2 should be moved"
+mdadm --fail /dev/$v1 $dev3
+chksparemoved $c0 $c1 $dev2
+}
+
+test5c()
+{
+dsc "Test 5c: Add spare loop9 to different container in domain with degraded array, spare should be moved"
+mdadm -a /dev/$c3 $dev9
+chksparemoved $c3 $c2 $dev9
+}
+
+test6()
+{
+dsc "Test 6: One domain has two containers, fail a disk in one container, there is a spare in other container too small to use for rebuild"
+setupdevs 0 0 1 $platform
+setupdevs 1 8 9 $platform
+# all devices in one domain
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 8 9
+monitor 0 1
+mdadm -a /dev/$c0 $dev2
+mdadm --fail /dev/$v1 $dev8
+chksparemoved $c0 $c1 $dev2 n
+tidyup
+}
+
+test7()
+{
+dsc "Test 7: One domain, add small spare to container, fail disk in array, spare not used, add suitable spare to other container, spare should be moved"
+setupdevs 0 0 1 $platform
+setupdevs 1 8 9 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 8 9 10
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/$v1 $dev8
+mdadm -a /dev/$c0 $dev10
+chksparemoved $c0 $c1 $dev10
+tidyup
+}
+
+
+test7a()
+{
+dsc "Test 7a: Small spare in parent, suitable one in other container, $dev2 in $c1 is not in common domain"
+setupdevs 0 0 1 $platform
+setupdevs 1 8 9 $platform
+#all $platform devices in one domain
+createconfig a
+createconfig domain-$platform"1" $platform spare 0 1 8 9 10
+createconfig domain-$platform"2" $platform spare 2
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+chkspare $c1 $dev2
+mdadm --fail /dev/$v1 $dev8
+mdadm -a /dev/$c0 $dev10
+chksparemoved $c0 $c1 $dev10
+tidyup
+}
+
+test8()
+{
+# ddf does not have getinfo_super_disks implemented so skip this test
+return
+dsc "Test 8: imsm and ddf - spare should not be migrated"
+setupdevs 0 10 11 imsm
+setupdevs 1 8 9 ddf
+createconfig a
+createconfig domain0 noplatform spare 8 9 10 11 12
+monitor 0 1
+mdadm -a /dev/$c1 $dev12
+mdadm --fail /dev/$v0 $dev10
+chksparemoved $c1 $c0 $dev12 n
+tidyup
+}
+
+test9()
+{
+dsc "Test 9: imsm and native 1.2 - one domain, no metadata specified, spare should be moved"
+setupdevs 0 10 11 imsm
+setupdevs 1 8 9 1.2
+createconfig a
+createconfig domain0 noplatform spare 8 9 10 11 12
+monitor 0 1
+mdadm -a /dev/$c1 $dev12
+mdadm --fail /dev/$v0 $dev10
+chksparemoved $c1 $c0 $dev12
+tidyup
+}
+
+test9a()
+{
+dsc "Test 9a: imsm and native 1.2 - spare in global domain, should be moved"
+setupdevs 0 10 11 imsm
+setupdevs 1 8 9 1.2
+createconfig a
+createconfig domain-global noplatform spare 8 9 10 11 12
+createconfig domain-1.2 1.2 spare 8 9
+createconfig domain-imsm imsm spare 10 11
+monitor 0 1
+mdadm -a /dev/$c1 $dev12
+mdadm --fail /dev/$v0 $dev10
+chksparemoved $c1 $c0 $dev12
+tidyup
+}
+
+test10()
+{
+dsc "Test 10: Two arrays on the same devices in container"
+setupdevs 0 0 1 $platform 10000
+setupdevs 1 3 4 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 3 4 5
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/md/sub0_ $dev0
+chksparemoved $c1 $c0 $dev2
+if [ $failed -eq 0 ]; then
+# now fail the spare and see if we get another one
+       mdadm --fail /dev/md/sub0_ $dev2
+       mdadm -a /dev/$c1 $dev5
+       chksparemoved $c1 $c0 $dev5
+fi
+tidyup
+}
+
+test11()
+{
+dsc "Test 11: Failed spare from other container should not be used"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 3 4
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/$v1 $dev3
+#wait until recovery finishes so no degraded array in c1
+check wait
+mdadm --fail /dev/$v0 $dev0
+chksparemoved $c1 $c0 $dev3 n
+tidyup
+}
+
+test12()
+{
+dsc "Test 12: Only one spare should be taken for rebuild, second not needed"
+setupdevs 0 0 1 $platform
+setupdevs 1 3 4 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 3 4 5
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm -a /dev/$c1 $dev5
+mdadm --fail /dev/$v0 $dev0
+sleep $sleeptime
+chkarray $dev2 n
+sc1=$c
+chkarray $dev5 n
+sc2=$c
+[ "$sc1" != "$sc2" ] || err "both spares in the same container $sc1"
+tidyup
+}
+
+test13()
+{
+dsc "Test 13: Common domain, two containers, fail a disk in container, action is below spare, the spare should be moved regadless of action"
+setupdevs 0 0 1 $platform
+setupdevs 1 4 5 $platform
+# same domain but different action on 4 5 6
+createconfig a
+createconfig domain-$platform $platform spare 0 1
+createconfig domain-$platform $platform include 4 5 6
+monitor 0 1
+mdadm -a /dev/$c1 $dev6
+mdadm --fail /dev/$v0 $dev0
+chksparemoved $c1 $c0 $d6
+tidyup
+}
+
+test14()
+{
+dsc "Test 14: One domain, small array on big disks, check if small spare is accepted"
+setupdevs 0 8 9 $platform 10000 1
+setupdevs 1 0 1 $platform
+createconfig a
+createconfig domain-$platform $platform spare 0 1 2 8 9
+monitor 0 1
+mdadm -a /dev/$c1 $dev2
+mdadm --fail /dev/$v0 $dev9
+chksparemoved $c1 $c0 $d2
+tidyup
+}
+
+test15()
+{
+dsc "Test 15: spare in global domain for $platform metadata, should be moved"
+# this is like 9a but only one metadata used
+setupdevs 0 10 11 $platform
+setupdevs 1 8 9 $platform
+createconfig a
+createconfig domain-global $platform spare 8 9 10 11 12
+createconfig domain-1 $platform spare 8 9
+createconfig domain-2 $platform spare 10 11
+monitor 0 1
+mdadm -a /dev/$c1 $dev12
+mdadm --fail /dev/$v0 $dev10
+chksparemoved $c1 $c0 $dev12
+tidyup
+}
+
+try()
+{
+test0
+test0a
+test1
+test1a
+test2
+test3
+test4
+test5
+test6
+if [ "$platform" != "1.2" ]; then
+# this is because we can't have a small spare added to native array
+    test7
+    test7a
+fi
+test8
+test9
+test9a
+if [ "$platform" != "1.2" ]; then
+# we can't create two subarrays on the same devices for native (without
+# partitions)
+    test10
+fi
+test11
+test12
+test13
+test14
+test15
+}
+
+try_failed()
+{
+platform="1.2"
+scan="no"
+test5
+test9
+test13
+scan="yes"
+test9
+}
+
+#try_failed
+
+for scan in no yes; do
+       for platform in 1.2 imsm; do
+               try
+       done
+done
+
+[ $listfailed == "no" ] || [ -z $flist ] || echo -e "\n FAILED TESTS: $flist"
+
+#cat $targetdir/log
+rm -f /dev/disk/by-path/loop*
diff --git a/tests/12imsm-r0_2d-grow-r0_3d b/tests/12imsm-r0_2d-grow-r0_3d
new file mode 100644
index 0000000..3c6cf74
--- /dev/null
+++ b/tests/12imsm-r0_2d-grow-r0_3d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 0 volume, 2 disks grow to RAID 0 volume, 3 disks
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+spare_list="$dev2"
+
+# Before: RAID 0 volume, 2 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 0 volume, 3 disks, 64k chunk size
+vol0_new_num_comps=$((num_disks + 1))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/12imsm-r0_2d-grow-r0_4d b/tests/12imsm-r0_2d-grow-r0_4d
new file mode 100644
index 0000000..e4fccda
--- /dev/null
+++ b/tests/12imsm-r0_2d-grow-r0_4d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 0 volume, 2 disks grow to RAID 0 volume, 4 disks
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+spare_list="$dev2 $dev3"
+
+# Before: RAID 0 volume, 2 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 0 volume, 4 disks, 64k chunk size
+vol0_new_num_comps=$((num_disks + 2))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/12imsm-r0_2d-grow-r0_5d b/tests/12imsm-r0_2d-grow-r0_5d
new file mode 100644
index 0000000..388a5bb
--- /dev/null
+++ b/tests/12imsm-r0_2d-grow-r0_5d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 0 volume, 2 disks grow to RAID 0 volume, 5 disks
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+spare_list="$dev2 $dev3 $dev4"
+
+# Before: RAID 0 volume, 2 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 0 volume, 5 disks, 64k chunk size
+vol0_new_num_comps=$((num_disks + 3))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/12imsm-r0_3d-grow-r0_4d b/tests/12imsm-r0_3d-grow-r0_4d
new file mode 100644
index 0000000..7065f07
--- /dev/null
+++ b/tests/12imsm-r0_3d-grow-r0_4d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 0 volume, 3 disks grow to RAID 0 volume, 4 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3"
+
+# Before: RAID 0 volume, 3 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 0 volume, 4 disks, 64k chunk size
+vol0_new_num_comps=$((num_disks + 1))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/12imsm-r5_3d-grow-r5_4d b/tests/12imsm-r5_3d-grow-r5_4d
new file mode 100644
index 0000000..097da0a
--- /dev/null
+++ b/tests/12imsm-r5_3d-grow-r5_4d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 5 volume, 3 disks grow to RAID 5 volume, 4 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3"
+
+# Before: RAID 5 volume, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 5 volume, 4 disks, 64k chunk size
+vol0_new_num_comps=$num_disks
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/12imsm-r5_3d-grow-r5_5d b/tests/12imsm-r5_3d-grow-r5_5d
new file mode 100644
index 0000000..2e5c7d2
--- /dev/null
+++ b/tests/12imsm-r5_3d-grow-r5_5d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 5 volume, 3 disks grow to RAID 5 volume, 5 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3 $dev4"
+
+# Before: RAID 5 volume, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 5 volume, 5 disks, 64k chunk size
+vol0_new_num_comps=$((num_disks + 1))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/13imsm-r0_r0_2d-grow-r0_r0_4d b/tests/13imsm-r0_r0_2d-grow-r0_r0_4d
new file mode 100644
index 0000000..66ceeb3
--- /dev/null
+++ b/tests/13imsm-r0_r0_2d-grow-r0_r0_4d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# Grow the container (arrays inside) from 2 disks to 4 disks
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+spare_list="$dev2 $dev3"
+
+# Before: RAID 0 volume in slot #0, 2 disks, 128k chunk size
+#         RAID 0 volume in slot #1, 2 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=128
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+vol1_level=0
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=64
+vol1_num_comps=$num_disks
+vol1_offset=$((vol0_comp_size + 4096))
+
+# After: RAID 0 volume in slot #0, 4 disks, 128k chunk size
+#        RAID 0 volume in slot #1, 4 disks, 64k chunk size
+vol0_new_num_comps=$((num_disks + 2))
+vol1_new_num_comps=$vol0_new_num_comps
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/13imsm-r0_r0_2d-grow-r0_r0_5d b/tests/13imsm-r0_r0_2d-grow-r0_r0_5d
new file mode 100644
index 0000000..0da9ef3
--- /dev/null
+++ b/tests/13imsm-r0_r0_2d-grow-r0_r0_5d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# Grow both members from 2 disks to 5 disks
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+spare_list="$dev2 $dev3 $dev4"
+
+# Before: RAID 0 volume in slot #0, 2 disks, 64k chunk size
+#         RAID 0 volume in slot #1, 2 disks, 256k chunk size
+vol0_level=0
+vol0_comp_size=$((4 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+vol1_level=0
+vol1_comp_size=$((6 * 1024))
+vol1_chunk=256
+vol1_num_comps=$num_disks
+vol1_offset=$((vol0_comp_size + 4096))
+
+# After: RAID 0 volume in slot #0, 5 disks, 64k chunk size
+#        RAID 0 volume in slot #1, 5 disks, 256k chunk size
+vol0_new_num_comps=$((num_disks + 3))
+vol1_new_num_comps=$vol0_new_num_comps
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/13imsm-r0_r0_3d-grow-r0_r0_4d b/tests/13imsm-r0_r0_3d-grow-r0_r0_4d
new file mode 100644
index 0000000..1ff6025
--- /dev/null
+++ b/tests/13imsm-r0_r0_3d-grow-r0_r0_4d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# Grow a container (arrays inside) from 3 disks to 4 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3"
+
+# Before: RAID 0 volume in slot #0, 3 disks, 128k chunk size
+#         RAID 0 volume in slot #1, 3 disks, 512k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=128
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+vol1_level=0
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=128
+vol1_num_comps=$num_disks
+vol1_offset=$((vol0_comp_size + 4096))
+
+# After: RAID0 volume in slot #0, 4 disks, 128k chunk size
+#        RAID0 volume in slot #1, 4 disks, 512k chunk size
+vol0_new_num_comps=$((num_disks + 1))
+vol1_new_num_comps=$vol0_new_num_comps
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/13imsm-r0_r5_3d-grow-r0_r5_4d b/tests/13imsm-r0_r5_3d-grow-r0_r5_4d
new file mode 100644
index 0000000..2977f36
--- /dev/null
+++ b/tests/13imsm-r0_r5_3d-grow-r0_r5_4d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# Grow the container (arrays inside) from 3 disks to 4 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3"
+
+# Before: RAID 0 volume in slot #0, 3 disks, 64k chunk size
+#         RAID 5 volume in slot #1, 3 disks, 128k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+vol1_level=5
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=128
+vol1_num_comps=$((num_disks - 1))
+vol1_offset=$((vol0_comp_size + 4096))
+
+# After: RAID 0 volume in slot #0, 4 disks, 64k chunk size
+#        RAID 5 volume in slot #1, 4 disks, 128k chunk size
+vol1_new_num_comps=$num_disks
+vol0_new_num_comps=$((num_disks + 1))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/13imsm-r0_r5_3d-grow-r0_r5_5d b/tests/13imsm-r0_r5_3d-grow-r0_r5_5d
new file mode 100644
index 0000000..ff15ad0
--- /dev/null
+++ b/tests/13imsm-r0_r5_3d-grow-r0_r5_5d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# Grow the container (arrays inside) from 3 disks to 5 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3 $dev4"
+
+# Before: RAID 0 volume in slot #0, 3 disks, 256k chunk size
+#         RAID 5 volume in slot #1, 3 disks, 512k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=128
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+vol1_level=5
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=128
+vol1_num_comps=$((num_disks - 1))
+vol1_offset=$((vol0_comp_size + 4096))
+
+# After: RAID 0 volume in slot #0, 5 disks, 256k chunk size
+#        RAID 5 volume in slot #1, 5 disks, 512k chunk size
+vol0_new_num_comps=$((num_disks + 2))
+vol1_new_num_comps=$((num_disks + 1))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/13imsm-r5_r0_3d-grow-r5_r0_4d b/tests/13imsm-r5_r0_3d-grow-r5_r0_4d
new file mode 100644
index 0000000..9fed88a
--- /dev/null
+++ b/tests/13imsm-r5_r0_3d-grow-r5_r0_4d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# Grow the container (arrays inside) from 3 disks to 4 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3"
+
+# Before: RAID 5 volume in slot #0, 3 disks, 64k chunk size
+#         RAID 0 volume in slot #1, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+vol1_level=0
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=64
+vol1_offset=$((vol0_comp_size + 4096))
+vol1_num_comps=$num_disks
+
+# After: RAID 5 volume in slot #0, 4 disks, 64k chunk size
+#        RAID 0 volume in slot #1, 4 disks, 64k chunk size
+vol0_new_num_comps=$num_disks
+vol1_new_num_comps=$((num_disks + 1))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/13imsm-r5_r0_3d-grow-r5_r0_5d b/tests/13imsm-r5_r0_3d-grow-r5_r0_5d
new file mode 100644
index 0000000..e8beddc
--- /dev/null
+++ b/tests/13imsm-r5_r0_3d-grow-r5_r0_5d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# Grow the container (arrays inside) from 3 disks to 5 disks
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3 $dev4"
+
+# Before: RAID 5 volume in slot #0, 3 disks, 128k chunk size
+#         RAID 0 volume in slot #1, 3 disks, 256k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+vol1_level=0
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=64
+vol1_offset=$((vol0_comp_size + 4096))
+vol1_num_comps=$num_disks
+
+# After: RAID 5 volume in slot #0, 5 disks, 128k chunk size
+#        RAID 0 volume in slot #1, 5 disks, 256k chunk size
+vol0_new_num_comps=$((num_disks + 1))
+vol1_new_num_comps=$((num_disks + 2))
+
+. tests/imsm-grow-template 0 0
diff --git a/tests/14imsm-r0_3d-r5_3d-migrate-r5_4d-r5_4d b/tests/14imsm-r0_3d-r5_3d-migrate-r5_4d-r5_4d
new file mode 100644
index 0000000..cb7328a
--- /dev/null
+++ b/tests/14imsm-r0_3d-r5_3d-migrate-r5_4d-r5_4d
@@ -0,0 +1,29 @@
+. tests/env-imsm-template
+
+# RAID 0 and RAID 5 volumes (3 disks) migrate to RAID 5 and RAID 5 volumes (4 disks)
+# NEGATIVE test - migration is not allowed if there is more then one array in a container
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+spare_list="$dev3"
+
+# Before: RAID 0 volume, 3 disks, 64k chunk size, as member #0
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# Extra: RAID 5 volume, 3 disks, 64k chunk size, as member #1
+vol1_level=5
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=64
+vol1_num_comps=$((num_disks - 1))
+vol1_offset=$((vol0_comp_size + 4096))
+
+# After: RAID 5 volume, 4 disks, 64k chunk size (only member #0)
+vol0_new_level=5
+vol0_new_num_comps=$num_disks
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1 1
diff --git a/tests/14imsm-r0_3d_no_spares-migrate-r5_3d b/tests/14imsm-r0_3d_no_spares-migrate-r5_3d
new file mode 100644
index 0000000..10bbab6
--- /dev/null
+++ b/tests/14imsm-r0_3d_no_spares-migrate-r5_3d
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 0 volume (3 disks, no spares) migrate to RAID 5 volume (3 disks)
+# NEGATIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# Before: RAID 0 volume, 3 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 5, 3 disks, 64k chunk size
+vol0_new_level=5
+vol0_new_num_comps=$((num_disks - 1))
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1
diff --git a/tests/14imsm-r0_r0_2d-takeover-r10_4d b/tests/14imsm-r0_r0_2d-takeover-r10_4d
new file mode 100644
index 0000000..d068abb
--- /dev/null
+++ b/tests/14imsm-r0_r0_2d-takeover-r10_4d
@@ -0,0 +1,30 @@
+. tests/env-imsm-template
+
+
+# Two RAID 0 volumes (2 disks) migrate to RAID 10 volume (4 disks)
+# NEGATIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+
+# Before: RAID 0 volume in slot #0, 2 disks, 64k chunk size
+#         RAID 0 volume in slot #1, 2 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# Before: RAID 0 volume,  disks, 64k chunk size
+vol1_level=0
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=64
+vol1_num_comps=num_disks
+vol1_offset=$(( $vol0_comp_size + 4096 ))
+
+# After: RAID 10, 4 disks, 64k chunk size
+vol0_new_level=10
+vol0_new_num_comps=$((num_disks - 1))
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1 1
diff --git a/tests/14imsm-r10_4d-grow-r10_5d b/tests/14imsm-r10_4d-grow-r10_5d
new file mode 100644
index 0000000..bcbe147
--- /dev/null
+++ b/tests/14imsm-r10_4d-grow-r10_5d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 10 volume, 4 disks grow to RAID 10 volume, 5 disks
+# NEGATIVE test
+
+num_disks=4
+device_list="$dev0 $dev1 $dev2 $dev3"
+spare_list="$dev4"
+
+# Before: RAID 10 volume, 4 disks, 128k chunk size
+vol0_level=10
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=128
+vol0_num_comps=$((num_disks - 2))
+vol0_offset=0
+
+# After: RAID 10 volume, 5 disks, 128k chunks size (test should fail)
+vol0_new_num_comps=$((num_disks + 1))
+
+. tests/imsm-grow-template 1 0
diff --git a/tests/14imsm-r10_r5_4d-takeover-r0_2d b/tests/14imsm-r10_r5_4d-takeover-r0_2d
new file mode 100644
index 0000000..720e575
--- /dev/null
+++ b/tests/14imsm-r10_r5_4d-takeover-r0_2d
@@ -0,0 +1,30 @@
+. tests/env-imsm-template
+
+
+# Two RAID volumes: RAID10 and RAID5 (4 disks) migrate to RAID 0 volume (2 disks)
+# NEGATIVE test
+
+num_disks=4
+device_list="$dev0 $dev1 $dev2 $dev3"
+
+# Before: RAID 10 volume in slot #0, 4 disks, 64k chunk size
+#         RAID 5 volume in slot #1, 4 disks, 64k chunk size
+vol0_level=10
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$(( $num_disks - 2 ))
+vol0_offset=0
+
+# Before: RAID 0 volume,  disks, 64k chunk size
+vol1_level=5
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=64
+vol1_num_comps=$(( $num_disks - 1 ))
+vol1_offset=$(( $vol0_comp_size + 4096 ))
+
+# After: RAID 10, 4 disks, 64k chunk size
+vol0_new_level=0
+vol0_new_num_comps=2
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1 1
diff --git a/tests/14imsm-r1_2d-grow-r1_3d b/tests/14imsm-r1_2d-grow-r1_3d
new file mode 100644
index 0000000..be20ab8
--- /dev/null
+++ b/tests/14imsm-r1_2d-grow-r1_3d
@@ -0,0 +1,19 @@
+. tests/env-imsm-template
+
+# RAID 1 volume, 2 disks grow to RAID 1 volume, 3 disks
+# NEGATIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+spare_list="$dev4"
+
+# Before: RAID 1 volume, 2 disks, 64k chunk size
+vol0_level=1
+vol0_comp_size=$((5 * 1024))
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 1 volume, 3 disks, 64k chunks size (test should fail)
+vol0_new_num_comps=$num_disks
+
+. tests/imsm-grow-template 1 0
diff --git a/tests/14imsm-r1_2d-takeover-r0_2d b/tests/14imsm-r1_2d-takeover-r0_2d
new file mode 100644
index 0000000..27002e1
--- /dev/null
+++ b/tests/14imsm-r1_2d-takeover-r0_2d
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 1 volume, 2 disks change to RAID 0 volume, 2 disks
+#
+#NEGATIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+
+# Before: RAID 1 volume, 2 disks, 64k chunk size
+vol0_level=1
+vol0_comp_size=$((5 * 1024))
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 0 volume, 2 disks, 64k chunk size
+vol0_new_level=0
+vol0_new_num_comps=$num_disks
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1
diff --git a/tests/14imsm-r5_3d-grow-r5_5d-no-spares b/tests/14imsm-r5_3d-grow-r5_5d-no-spares
new file mode 100644
index 0000000..ed18e72
--- /dev/null
+++ b/tests/14imsm-r5_3d-grow-r5_5d-no-spares
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# RAID 5 volume, 3 disks grow to RAID 5 volume, 4 disks
+# NEGATIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# Before: RAID 5 volume, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 5 volume, 4 disks, 64k chunks size
+add_to_num_disks=2
+vol0_new_num_comps=$((num_disks + 2))
+
+. tests/imsm-grow-template 1 0
diff --git a/tests/14imsm-r5_3d-migrate-r4_3d b/tests/14imsm-r5_3d-migrate-r4_3d
new file mode 100644
index 0000000..e3b971c
--- /dev/null
+++ b/tests/14imsm-r5_3d-migrate-r4_3d
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 5 volume (3 disks) migrate to RAID 4 volume (3 disks)
+# NEGATIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# Before: RAID 5 volume, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 4, 3 disks, 64k chunk size
+vol0_new_level=4
+vol0_new_num_comps=$((num_disks - 1))
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1
diff --git a/tests/15imsm-r0_3d_64k-migrate-r0_3d_256k b/tests/15imsm-r0_3d_64k-migrate-r0_3d_256k
new file mode 100644
index 0000000..4fe3807
--- /dev/null
+++ b/tests/15imsm-r0_3d_64k-migrate-r0_3d_256k
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 0 volume, Migration from 64k to 256k chunk size.
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+
+# RAID 0, 2 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# RAID 0, 2 disks, 256k chunk size
+vol0_new_level=0
+vol0_new_num_comps=$vol0_num_comps
+vol0_new_chunk=256
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/15imsm-r5_3d_4k-migrate-r5_3d_256k b/tests/15imsm-r5_3d_4k-migrate-r5_3d_256k
new file mode 100644
index 0000000..025e9ef
--- /dev/null
+++ b/tests/15imsm-r5_3d_4k-migrate-r5_3d_256k
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 5 volume, Migration from 4k to 256 chunk size.
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# RAID 5, 3 disks, 4k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=4
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# RAID 5, 3 disks, 256k chunk size
+vol0_new_level=5
+vol0_new_num_comps=$vol0_num_comps
+vol0_new_chunk=256
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/15imsm-r5_3d_64k-migrate-r5_3d_256k b/tests/15imsm-r5_3d_64k-migrate-r5_3d_256k
new file mode 100644
index 0000000..37547b7
--- /dev/null
+++ b/tests/15imsm-r5_3d_64k-migrate-r5_3d_256k
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 5 volume, Migration from 64k to 256k chunk size.
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# RAID 5, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# RAID 5, 3 disks, 256k chunk size
+vol0_new_level=5
+vol0_new_num_comps=$vol0_num_comps
+vol0_new_chunk=256
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/15imsm-r5_6d_4k-migrate-r5_6d_256k b/tests/15imsm-r5_6d_4k-migrate-r5_6d_256k
new file mode 100644
index 0000000..d2f6c70
--- /dev/null
+++ b/tests/15imsm-r5_6d_4k-migrate-r5_6d_256k
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 5 volume, Migration from 4k to 256k chunk size.
+# POSITIVE test
+
+num_disks=6
+device_list="$dev0 $dev1 $dev2 $dev3 $dev4 $dev5"
+
+# RAID 5, 6 disks, 4k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=4
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# RAID 5, 6 disks, 256k chunk size
+vol0_new_level=5
+vol0_new_num_comps=$vol0_num_comps
+vol0_new_chunk=256
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/15imsm-r5_r0_3d_64k-migrate-r5_r0_3d_256k b/tests/15imsm-r5_r0_3d_64k-migrate-r5_r0_3d_256k
new file mode 100644
index 0000000..f9369d5
--- /dev/null
+++ b/tests/15imsm-r5_r0_3d_64k-migrate-r5_r0_3d_256k
@@ -0,0 +1,34 @@
+. tests/env-imsm-template
+
+# Member 0: RAID 5 volume, Member 1: RAID 0 volume
+# Migration from 64k to 256k chunk size (both members)
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# RAID 5, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After migration parameters
+vol0_new_level=5
+vol0_new_num_comps=$vol0_num_comps
+vol0_new_chunk=256
+
+# RAID 0, 3 disks, 64k chunk size
+vol1_level=0
+vol1_comp_size=$((5 * 1024))
+vol1_chunk=64
+vol1_num_comps=$num_disks
+vol1_offset=$((vol0_comp_size + 4096))
+
+# After migration paramters
+vol1_new_level=0
+vol1_new_num_comps=$vol1_num_comps
+vol1_new_chunk=256
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/16imsm-r0_3d-migrate-r5_4d b/tests/16imsm-r0_3d-migrate-r5_4d
new file mode 100644
index 0000000..265adf9
--- /dev/null
+++ b/tests/16imsm-r0_3d-migrate-r5_4d
@@ -0,0 +1,22 @@
+. tests/env-imsm-template
+
+# RAID 0 volume (3 disks) migrate to RAID 5 volume (4 disks)
+# POSITIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# Before: RAID 0, 3 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 5, 4 disks, 64k chunk size
+vol0_new_level=5
+new_num_disks=4
+vol0_new_num_comps=$num_disks
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/16imsm-r0_5d-migrate-r5_6d b/tests/16imsm-r0_5d-migrate-r5_6d
new file mode 100644
index 0000000..535b609
--- /dev/null
+++ b/tests/16imsm-r0_5d-migrate-r5_6d
@@ -0,0 +1,22 @@
+. tests/env-imsm-template
+
+# RAID 0 volume (5 disks) migrate to RAID 5 volume (6 disks)
+# POSITIVE test
+
+num_disks=5
+device_list="$dev0 $dev1 $dev2 $dev3 $dev4"
+
+# Before: RAID 0, 5 disks, 64k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 5, 6 disks, 64k chunk size
+vol0_new_level=5
+vol0_new_num_comps=$num_disks
+vol0_new_chunk=64
+new_num_disks=6
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/16imsm-r5_3d-migrate-r0_3d b/tests/16imsm-r5_3d-migrate-r0_3d
new file mode 100644
index 0000000..bcb5709
--- /dev/null
+++ b/tests/16imsm-r5_3d-migrate-r0_3d
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 5 volume (3 disks) migrate to RAID 0 volume (2 disks)
+# NEGATIVE test
+
+num_disks=3
+device_list="$dev0 $dev1 $dev2"
+
+# Before: RAID 5, 3 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 0, 3 disks, 64k chunk size
+vol0_new_level=0
+vol0_new_num_comps=$((num_disks-1))
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1 1
diff --git a/tests/16imsm-r5_5d-migrate-r0_5d b/tests/16imsm-r5_5d-migrate-r0_5d
new file mode 100644
index 0000000..ca77435
--- /dev/null
+++ b/tests/16imsm-r5_5d-migrate-r0_5d
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 5 volume (5 disks) migration to RAID 0 volume (4 disks)
+# NEGATIVE test
+
+num_disks=5
+device_list="$dev0 $dev1 $dev2 $dev3 $dev4"
+
+# Before: RAID 5 volume, 5 disks, 64k chunk size
+vol0_level=5
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=64
+vol0_num_comps=$((num_disks - 1))
+vol0_offset=0
+
+# After: RAID 0 volume, 5 disks, 64k chunk size
+vol0_new_level=0
+vol0_new_num_comps=$((num_disks - 1))
+vol0_new_chunk=64
+
+. tests/imsm-grow-template 1 1
diff --git a/tests/18imsm-1d-takeover-r0_1d b/tests/18imsm-1d-takeover-r0_1d
new file mode 100644
index 0000000..6f5cf5a
--- /dev/null
+++ b/tests/18imsm-1d-takeover-r0_1d
@@ -0,0 +1,22 @@
+. tests/env-imsm-template
+
+# Create RAID 0 from a single disk.
+# POSITIVE test
+
+vol0_num_comps=1
+vol0_comp_size=$((10 * 1024))
+
+# Create container
+mdadm --create --run $container --auto=md --metadata=imsm --force --raid-disks=$vol0_num_comps $dev0
+check wait
+imsm_check container $vol0_num_comps
+
+# Create RAID 0 volume
+mdadm --create --run $member0 --auto=md --level=0 --size=$vol0_comp_size --chunk=64 --force --raid-disks=$vol0_num_comps $dev0
+check wait
+
+# Test the member
+imsm_check member $member0 $vol0_num_comps 0 $vol0_comp_size $((vol0_num_comps * vol0_comp_size)) 0 64
+testdev $member0 $vol0_num_comps $vol0_comp_size 64
+
+exit 0
diff --git a/tests/18imsm-1d-takeover-r1_2d b/tests/18imsm-1d-takeover-r1_2d
new file mode 100644
index 0000000..e38ed89
--- /dev/null
+++ b/tests/18imsm-1d-takeover-r1_2d
@@ -0,0 +1,20 @@
+. tests/env-imsm-template
+
+# Create RAID 1 from a single disk
+# POSITIVE test
+
+vol0_num_comps=1
+vol0_comp_size=$((10 * 1024))
+
+# Create container
+mdadm --create --run $container --auto=md --metadata=imsm --force --raid-disks=$vol0_num_comps $dev0
+check wait
+imsm_check container $vol0_num_comps
+
+# Create RAID 1 volume
+mdadm --create --run $member0 --auto=md --level=1 --size=$vol0_comp_size --raid-disks=$((vol0_num_comps + 1)) $dev0 missing
+check wait
+
+# Test the member0
+imsm_check member $member0 $((vol_num_comps + 1)) 1 $vol0_comp_size $((vol0_num_comps * vol0_comp_size)) 0 64
+testdev $member0 $vol0_num_comps $vol0_comp_size 64
diff --git a/tests/18imsm-r0_2d-takeover-r10_4d b/tests/18imsm-r0_2d-takeover-r10_4d
new file mode 100644
index 0000000..0e77e5d
--- /dev/null
+++ b/tests/18imsm-r0_2d-takeover-r10_4d
@@ -0,0 +1,22 @@
+. tests/env-imsm-template
+
+# RAID 0 volume, 2 disks change to RAID 10 volume, 4 disks
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+spare_list="$dev2 $dev3"
+
+# Before: RAID 0 volume, 2 disks, 256k chunk size
+vol0_level=0
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=128
+vol0_num_comps=$num_disks
+vol0_offset=0
+
+# After: RAID 10 volume, 4 disks, 256k chunk size
+vol0_new_level=10
+vol0_new_num_comps=$vol0_num_comps
+vol0_new_chunk=128
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/18imsm-r10_4d-takeover-r0_2d b/tests/18imsm-r10_4d-takeover-r0_2d
new file mode 100644
index 0000000..8a9606b
--- /dev/null
+++ b/tests/18imsm-r10_4d-takeover-r0_2d
@@ -0,0 +1,22 @@
+. tests/env-imsm-template
+
+# RAID 10 volume, 4 disks change to RAID 0 volume, 2 disks
+# POSITIVE test
+
+num_disks=4
+device_list="$dev0 $dev1 $dev2 $dev3"
+
+# Before: RAID 10 volume, 4 disks, 128k chunk size
+vol0_level=10
+vol0_comp_size=$((5 * 1024))
+vol0_chunk=128
+vol0_num_comps=$((num_disks - 2))
+vol0_offset=0
+
+# After: RAID 0 volume, 2 disks, 128k chunk size
+vol0_new_level=0
+vol0_new_num_comps=2
+vol0_new_chunk=128
+new_num_disks=2
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/18imsm-r1_2d-takeover-r0_1d b/tests/18imsm-r1_2d-takeover-r0_1d
new file mode 100644
index 0000000..049f19c
--- /dev/null
+++ b/tests/18imsm-r1_2d-takeover-r0_1d
@@ -0,0 +1,21 @@
+. tests/env-imsm-template
+
+# RAID 1 volume, 2 disks change to RAID 0 volume, 1 disks
+# POSITIVE test
+
+num_disks=2
+device_list="$dev0 $dev1"
+
+# Before: RAID 1 volume, 2 disks
+vol0_level=1
+vol0_comp_size=$((5 * 1024))
+vol0_num_comps=$(( $num_disks - 1 ))
+vol0_offset=0
+
+# After: RAID 0 volume, 1 disks, 64k chunk size
+vol0_new_level=0
+vol0_new_num_comps=1
+vol0_new_chunk=64
+new_num_disks=1
+
+. tests/imsm-grow-template 0 1
diff --git a/tests/19raid6auto-repair b/tests/19raid6auto-repair
new file mode 100644
index 0000000..ce4a7c0
--- /dev/null
+++ b/tests/19raid6auto-repair
@@ -0,0 +1,49 @@
+number_of_disks=5
+chunksize_in_kib=512
+chunksize_in_b=$[chunksize_in_kib*1024]
+array_data_size_in_kib=$[chunksize_in_kib*(number_of_disks-2)*number_of_disks]
+array_data_size_in_b=$[array_data_size_in_kib*1024]
+devs="$dev0 $dev1 $dev2 $dev3 $dev4"
+
+# default 2048 sectors
+data_offset_in_kib=$[2048/2]
+
+# make a raid5 from a file
+dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$array_data_size_in_kib
+
+# perform test for every layout
+layouts="ls rs la ra parity-first ddf-zero-restart ddf-N-restart ddf-N-continue \
+	left-asymmetric-6 right-asymmetric-6 left-symmetric-6 \
+	right-symmetric-6 parity-first-6"
+
+for layout in $layouts
+do
+    mdadm -CR $md0 -l6 --layout=$layout -n$number_of_disks -c $chunksize_in_kib $devs
+    dd if=/tmp/RandFile of=$md0 bs=1024 count=$array_data_size_in_kib
+    blockdev --flushbufs $md0; sync
+    check wait
+    blockdev --flushbufs $devs; sync
+    echo 3 > /proc/sys/vm/drop_caches
+    cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo sanity cmp failed ; exit 2; }
+
+    # wipe out 5 chunks on each device
+    dd if=/dev/urandom of=$dev0 bs=1024 count=$[5*chunksize_in_kib] seek=$[data_offset_in_kib+chunksize_in_kib*0]
+    dd if=/dev/urandom of=$dev1 bs=1024 count=$[5*chunksize_in_kib] seek=$[data_offset_in_kib+chunksize_in_kib*5]
+    dd if=/dev/urandom of=$dev2 bs=1024 count=$[5*chunksize_in_kib] seek=$[data_offset_in_kib+chunksize_in_kib*10]
+    dd if=/dev/urandom of=$dev3 bs=1024 count=$[5*chunksize_in_kib] seek=$[data_offset_in_kib+chunksize_in_kib*15]
+    dd if=/dev/urandom of=$dev4 bs=1024 count=$[5*chunksize_in_kib] seek=$[data_offset_in_kib+chunksize_in_kib*20]
+
+    blockdev --flushbufs $devs; sync
+    echo 3 > /proc/sys/vm/drop_caches
+
+    $dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" || { echo should detect errors; exit 2; }
+
+    $dir/raid6check $md0 0 0 autorepair > /dev/null || { echo repair failed; exit 2; }
+    blockdev --flushbufs $md0 $devs; sync
+    echo 3 > /proc/sys/vm/drop_caches
+
+    $dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" && { echo errors detected; exit 2; }
+    cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo cmp failed ; exit 2; }
+
+    mdadm -S $md0
+done
diff --git a/tests/19raid6check b/tests/19raid6check
new file mode 100644
index 0000000..67958c6
--- /dev/null
+++ b/tests/19raid6check
@@ -0,0 +1,27 @@
+#
+# Confirm that raid6check handles all RAID6 layouts.
+# Try both 4 and 5 devices.
+
+layouts='ls rs la ra'
+lv=`uname -r`
+if expr $lv '>=' 2.6.30 > /dev/null
+then
+  layouts="$layouts parity-first ddf-zero-restart ddf-N-restart ddf-N-continue \
+	left-asymmetric-6 right-asymmetric-6 left-symmetric-6 right-symmetric-6 parity-first-6"
+fi
+
+for layout in $layouts
+do
+ for devs in 4 5
+ do
+  dl="$dev0 $dev1 $dev2 $dev3"
+  if [ $devs = 5 ]; then dl="$dl $dev4"; fi
+
+  mdadm -CR $md0 -l6 --layout $layout -n$devs $dl
+  check wait
+  tar cf - /etc > $md0
+  ./raid6check $md0 0 0 | grep 'Error detected' && exit 1
+  mdadm -S $md0
+ done
+done
+
diff --git a/tests/19raid6repair b/tests/19raid6repair
new file mode 100644
index 0000000..26846cc
--- /dev/null
+++ b/tests/19raid6repair
@@ -0,0 +1,56 @@
+number_of_disks=4
+chunksize_in_kib=512
+chunksize_in_b=$[chunksize_in_kib*1024]
+array_data_size_in_kib=$[chunksize_in_kib*(number_of_disks-2)*number_of_disks]
+array_data_size_in_b=$[array_data_size_in_kib*1024]
+devs="$dev1 $dev2 $dev3 $dev4"
+
+# default 2048 sectors
+data_offset_in_kib=$[2048/2]
+
+layouts="ls rs la ra parity-first ddf-zero-restart ddf-N-restart ddf-N-continue \
+	left-asymmetric-6 right-asymmetric-6 left-symmetric-6 \
+	right-symmetric-6 parity-first-6"
+
+for layout in $layouts
+do
+    for failure in "$dev3 3 3 2" "$dev3 3 2 3" "$dev3 3 2 1" "$dev3 3 2 0" \
+		"$dev4 3 3 0" "$dev4 3 3 1" "$dev4 3 3 2" \
+		"$dev1 3 0 1" "$dev1 3 0 2" "$dev1 3 0 3" \
+		"$dev2 3 1 0" "$dev2 3 1 2" "$dev2 3 1 3" ; do
+	    failure_split=( $failure )
+	    device_with_error=${failure_split[0]}
+	    stripe_with_error=${failure_split[1]}
+	    repair_params="$stripe_with_error ${failure_split[2]} ${failure_split[3]}"
+	    start_of_errors_in_kib=$[data_offset_in_kib+chunksize_in_kib*stripe_with_error]
+
+	    # make a raid5 from a file
+	    dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$array_data_size_in_kib
+	    mdadm -CR $md0 -l6 --layout=$layout -n$number_of_disks -c $chunksize_in_kib $devs
+	    dd if=/tmp/RandFile of=$md0 bs=1024 count=$array_data_size_in_kib
+	    blockdev --flushbufs $md0; sync
+
+	    check wait
+	    blockdev --flushbufs $devs; sync
+	    echo 3 > /proc/sys/vm/drop_caches
+	    cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo sanity cmp failed ; exit 2; }
+
+	    dd if=/dev/urandom of=$device_with_error bs=1024 count=$chunksize_in_kib seek=$start_of_errors_in_kib
+	    blockdev --flushbufs $device_with_error; sync
+	    echo 3 > /proc/sys/vm/drop_caches
+
+	    $dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" || { echo should detect errors; exit 2; }
+
+	    $dir/raid6check $md0 repair $repair_params > /dev/null || { echo repair failed; exit 2; }
+	    blockdev --flushbufs $md0 $devs; sync
+	    echo 3 > /proc/sys/vm/drop_caches
+
+	    $dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" && { echo errors detected; exit 2; }
+	    cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo cmp failed ; exit 2; }
+
+	    mdadm -S $md0
+	    udevadm settle
+	    sync
+	    echo 3 > /proc/sys/vm/drop_caches
+    done
+done
diff --git a/tests/19repair-does-not-destroy b/tests/19repair-does-not-destroy
new file mode 100644
index 0000000..a92883f
--- /dev/null
+++ b/tests/19repair-does-not-destroy
@@ -0,0 +1,28 @@
+number_of_disks=7
+chunksize_in_kib=512
+array_data_size_in_kib=$[chunksize_in_kib*(number_of_disks-2)*number_of_disks]
+array_data_size_in_b=$[array_data_size_in_kib*1024]
+devs="$dev0 $dev1 $dev2 $dev3 $dev4 $dev5 $dev6"
+
+dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$array_data_size_in_kib
+mdadm -CR $md0 -l6 -n$number_of_disks -c $chunksize_in_kib $devs
+dd if=/tmp/RandFile of=$md0 bs=1024 count=$array_data_size_in_kib
+blockdev --flushbufs $md0; sync
+check wait
+blockdev --flushbufs $devs; sync
+echo 3 > /proc/sys/vm/drop_caches
+$dir/raid6check $md0 repair  1 2 3 > /dev/null # D D
+$dir/raid6check $md0 repair  8 2 5 > /dev/null # D P
+$dir/raid6check $md0 repair 15 4 6 > /dev/null # D Q
+$dir/raid6check $md0 repair 22 5 6 > /dev/null # P Q
+$dir/raid6check $md0 repair  3 4 0 > /dev/null # Q D
+$dir/raid6check $md0 repair  3 3 1 > /dev/null # P D
+$dir/raid6check $md0 repair  6 4 5 > /dev/null # D<D
+$dir/raid6check $md0 repair 13 5 4 > /dev/null # D>D
+blockdev --flushbufs $devs; sync
+echo 3 > /proc/sys/vm/drop_caches
+$dir/raid6check $md0 0 0 2>&1 | grep -qs "Error" && { echo errors detected; exit 2; }
+cmp -s -n $array_data_size_in_b $md0 /tmp/RandFile || { echo should not mess up correct stripe ; exit 2; }
+
+mdadm -S $md0
+udevadm settle
diff --git a/tests/20raid5journal b/tests/20raid5journal
new file mode 100644
index 0000000..f751ace
--- /dev/null
+++ b/tests/20raid5journal
@@ -0,0 +1,64 @@
+# check write journal of raid456
+
+# test --detail
+test_detail_shows_journal() {
+    mdadm -D $1 | grep journal || {
+        echo >&2 "ERROR --detail does show journal device!"; mdadm -D $1 ; exit 1; }
+}
+
+# test --examine
+test_examine_shows_journal() {
+    mdadm -E $1 | grep Journal || {
+        echo >&2 "ERROR --examine does show Journal device!"; mdadm -E $1 ; exit 1; }
+}
+
+# test --create
+create_with_journal_and_stop() {
+    mdadm -CR $md0 -l5 -n4 $dev0 $dev1 $dev2 $dev3 --write-journal $dev4
+    check wait
+    tar cf - /etc > $md0
+    ./raid6check $md0 0 0 | grep 'Error detected' && exit 1
+    test_detail_shows_journal $md0
+    test_examine_shows_journal $dev4
+    mdadm -S $md0
+}
+
+# test --assemble
+test_assemble() {
+    create_with_journal_and_stop
+    if mdadm -A $md0 $dev0 $dev1 $dev2 $dev3
+    then
+        echo >&2 "ERROR should return 1 when journal is missing!"; cat /proc/mdstat ; exit 1;
+    fi
+    mdadm -S $md0
+
+    mdadm -A $md0 $dev0 $dev1 $dev2 $dev3 --force
+    check readonly
+    mdadm -S $md0
+}
+
+# test --incremental
+test_incremental() {
+    create_with_journal_and_stop
+    for d in $dev0 $dev1 $dev2 $dev3
+    do
+        mdadm -I $d
+    done
+    check inactive
+    mdadm -I $dev4
+    check raid5
+    mdadm -S $md0
+
+    # test --incremental with journal missing
+    for d in $dev0 $dev1 $dev2 $dev3
+    do
+        mdadm -I $d
+    done
+    mdadm -R $md0
+    check readonly
+    mdadm -S $md0
+}
+
+create_with_journal_and_stop
+test_assemble
+test_incremental
diff --git a/tests/21raid5cache b/tests/21raid5cache
new file mode 100644
index 0000000..0dd97bf
--- /dev/null
+++ b/tests/21raid5cache
@@ -0,0 +1,87 @@
+# check data integrity with raid5 write back cache
+
+# create a 4kB random file and 4 files each with a 1kB chunk of the random file:
+#    randfile: ABCD   randchunk[0-3]:  A  B  C  D
+#
+# then create another random 1kB chunk E, and a new random page with A, B, E, D:
+#    randchunk4: E    newrandfile:   ABED
+create_random_data() {
+    dd if=/dev/urandom of=/tmp/randfile bs=4k count=1
+    for x in {0..3}
+    do
+        dd if=/tmp/randfile of=/tmp/randchunk$x bs=1k count=1 skip=$x count=1
+    done
+
+    dd if=/dev/urandom of=/tmp/randchunk4 bs=1k count=1
+
+    rm /tmp/newrandfile
+    for x in 0 1 4 3
+    do
+        cat /tmp/randchunk$x >> /tmp/newrandfile
+    done
+}
+
+# create array, $1 could be 5 for raid5 and 6 for raid6
+create_array() {
+    if [ $1 -lt 5 -o $1 -gt 6 ]
+    then
+        echo wrong array type $1
+        exit 2
+    fi
+
+    mdadm -CR $md0 -c4 -l5 -n10 $dev0 $dev1 $dev2 $dev3 $dev4 $dev5 $dev6 $dev11 $dev8 $dev9 --write-journal $dev10
+    check wait
+    echo write-back > /sys/block/md0/md/journal_mode
+}
+
+restart_array_write_back() {
+    mdadm -S $md0
+    mdadm -A $md0 $dev0 $dev1 $dev2 $dev3 $dev4 $dev5 $dev6 $dev11 $dev8 $dev9 $dev10
+    echo write-back > /sys/block/md0/md/journal_mode
+}
+
+# compare the first page of md0 with file in $1
+cmp_first_page() {
+    cmp  -n 4096 $1 $md0 || { echo cmp failed ; exit 2 ; }
+}
+
+# write 3 pages after the first page of md0
+write_three_pages() {
+    for x in {1..3}
+    do
+        dd if=/dev/urandom of=$md0 bs=4k count=1 seek=$x count=1
+    done
+}
+
+# run_test <array_type:5/6> <degraded_or_not:yes/no>
+run_test() {
+    create_random_data
+    create_array $1
+
+    if [ $2 == yes ]
+    then
+        mdadm --fail $md0 $dev0
+    fi
+
+    dd if=/tmp/randfile of=$md0 bs=4k count=1
+    restart_array_write_back
+    cmp_first_page /tmp/randfile
+    restart_array_write_back
+    write_three_pages
+    cmp_first_page /tmp/randfile
+
+
+    dd if=/tmp/randchunk4 of=/dev/md0 bs=1k count=1 seek=2
+    restart_array_write_back
+    cmp_first_page /tmp/newrandfile
+    restart_array_write_back
+    write_three_pages
+    cmp_first_page /tmp/newrandfile
+
+    mdadm -S $md0
+}
+
+run_test 5 no
+run_test 5 yes
+run_test 6 no
+run_test 6 yes
diff --git a/tests/ToTest b/tests/ToTest
new file mode 100644
index 0000000..b98e266
--- /dev/null
+++ b/tests/ToTest
@@ -0,0 +1,44 @@
+
+multipath!!
+
+add/remove/fail
+  raid1 DONE
+  raid5 DONE
+  raid6/10 needed??
+
+assemble
+  by devices     DONE
+  by uuid        DONE
+  by superminor  DONE
+  by config file DONE
+
+  various --updates DONE (not sparc2.2 or summaries)
+
+stop
+  --scan
+
+readonly/readwrite
+
+bitmap
+  separate file
+  internal
+  filename in config file
+
+examine
+  --scan
+  --brief
+
+detail
+
+grow:
+  size
+    raid1/5/6 DONE
+  devices
+    raid1 add DONE
+    raid1 shrink DONE
+
+'--quiet' option, and remove ""
+'--name' option fo v1, and configfile etc...
+
+faulty
+  errors in raid1/5/6
diff --git a/tests/env-ddf-template b/tests/env-ddf-template
new file mode 100644
index 0000000..90d7272
--- /dev/null
+++ b/tests/env-ddf-template
@@ -0,0 +1,113 @@
+sha1_sum() {
+    sha1sum "$1" | cut -c 1-40
+}
+
+get_rootdev() {
+    local dev=$(stat -c %D /)
+    local maj=$(expr $dev : '\(..*\)..')
+    local min=${dev#$maj}
+    local bd=/dev/$(basename $(readlink /sys/dev/block/$((0x$maj)):$((0x$min))))
+    [ -b $bd ] || exit 1
+    echo $bd
+}
+
+get_sysdir() {
+    local mddev=$1
+    [ -L $mddev ] && mddev=$(readlink -f $mddev)
+    echo "/sys/class/block/$(basename $mddev)/md"
+}
+
+get_raiddisks() {
+    sysdir=$(get_sysdir "$1")
+    for i in $(seq 0 $(($(cat $sysdir/raid_disks)-1))); do
+	if [ -d $sysdir/rd$i ]; then
+	    readlink -f /dev/block/$(cat $sysdir/rd$i/block/dev)
+	else
+	    echo MISSING
+        fi
+    done
+}
+
+get_present() {
+    get_raiddisks $1 | grep -vc MISSING
+}
+
+ddf_check() {
+    udevadm settle
+    case $1 in
+    container )
+	grep -s "blocks super external:ddf" /proc/mdstat > /dev/null || {
+	    echo >&2 "**Fatal** Correctly formed container not found"; cat /proc/mdstat; exit 1; }
+	;;
+    member )
+	t_member=$2
+	t_num_disks=$3
+	t_level=$4
+	t_rd_size=$5
+	t_size=$6
+	t_offset=$7
+	t_chunk=$8
+	t_layout=$9
+
+	if [ $t_chunk -ne 0 ]; then
+	    t_rd_size=$((t_rd_size & ~(t_chunk - 1)))
+	fi
+	case $t_level in
+	0) t_size=$((t_num_disks*$t_rd_size));;
+	1) t_size=$t_rd_size;;
+	4|5) t_size=$(((t_num_disks-1)*$t_rd_size));;
+	6) t_size=$(((t_num_disks-2)*$t_rd_size));;
+	10) t_size=$((t_num_disks*$t_rd_size/t_layout));;
+	esac
+
+	err=0
+
+	eval `stat -L -c "let major=0x%t; let minor=0x%T;" $t_member`
+	sysfs=/sys/dev/block/${major}:${minor}
+	if [ ! -f ${sysfs}/md/array_state ]; then
+	    echo "**Fatal**: Array member $t_member not found" >&2; cat /proc/mdstat >&2; exit 1
+	fi
+	_chunk=`cat ${sysfs}/md/chunk_size`
+	if [ $t_chunk -ne $((_chunk/1024)) ]; then
+	    echo "**Error**: Chunk size mismatch - expected $t_chunk, actual $_chunk" >&2
+	    err=$((err + 1))
+	fi
+	for i in `seq 0 $((t_num_disks - 1))`; do
+	    _offset=`cat ${sysfs}/md/rd${i}/offset`
+	    if [ $t_offset -ne $((_offset / 2)) ]; then
+		echo "**Error**: Offset mismatch - expected $t_offset, actual $((_offset/2))" >&2
+		err=$((err + 1))
+	    fi
+	    _rd_size=`cat ${sysfs}/md/rd${i}/size`
+	    if [ $t_rd_size -ne $_rd_size ]; then
+		echo "**Error**: Component size mismatch - expected $t_rd_size, actual $_rd_size" >&2
+		err=$((err + 1))
+	    fi
+	done
+	_size=`cat ${sysfs}/md/array_size`
+	[ o$_size = odefault ] && _size=$(($(cat ${sysfs}/size)/2))
+	if [ $t_size -ne $_size ]; then
+	    echo "**Error**: Array size mismatch - expected $t_size, actual $_size" >&2
+	    err=$((err + 1))
+	fi
+	if [ $err -gt 0 ]; then
+	    echo "$t_member failed check" >&2
+	    cat /proc/mdstat >&2
+	    mdadm -E /dev/loop8 >&2
+	    exit 1
+	fi
+	;;
+    * )
+	echo >&2 "**Error** unknown check $1"; exit 1;
+    esac
+}
+
+container=/dev/md/ddf0
+member0=/dev/md/vol0
+member1=/dev/md/vol1
+member2=/dev/md/vol2
+member3=/dev/md/vol3
+member4=/dev/md/vol4
+
+# We don't want systemd to start system mdmon; start our own
+export MDADM_NO_SYSTEMCTL=1
diff --git a/tests/env-imsm-template b/tests/env-imsm-template
new file mode 100644
index 0000000..d524771
--- /dev/null
+++ b/tests/env-imsm-template
@@ -0,0 +1,91 @@
+imsm_check() {
+    udevadm settle
+    case $1 in
+    container )
+        grep -s "blocks super external:imsm" /proc/mdstat > /dev/null || {
+            echo >&2 "**Fatal** Correctly formed container not found"; cat /proc/mdstat; exit 1; }
+        ;;
+    member )
+        t_member=$2
+        t_num_disks=$3
+        t_level=$4
+        t_rd_size=$5
+        t_size=$6
+        t_offset=$7
+        t_chunk=$8
+
+	t_rd_size=$((t_rd_size & ~(1024 - 1)))
+
+	if [ $t_level -eq 1 ]; then
+	   t_chunk=64
+	fi
+
+	t_num_data_disks=0
+
+	case $t_level in
+	0)
+		t_num_data_disks=$t_num_disks
+		;;
+	1)
+		t_num_data_disks=1
+		;;
+	5)
+		t_num_data_disks=$((t_num_disks-1))
+		;;
+	10)
+		t_num_data_disks=$((t_num_disks/2))
+		;;
+	esac
+
+	t_size=$((t_rd_size*t_num_data_disks))
+
+        err=0
+
+        eval `stat -L -c "let major=0x%t; let minor=0x%T;" $t_member`
+        sysfs=/sys/dev/block/${major}:${minor}
+        if [ ! -f ${sysfs}/md/array_state ]; then
+            echo "**Fatal**: Array member $t_member not found" >&2; cat /proc/mdstat >&2; exit 1
+        fi
+        _chunk=`cat ${sysfs}/md/chunk_size`
+        if [ $t_chunk -ne $((_chunk/1024)) ]; then
+            echo "**Error**: Chunk size mismatch - expected $t_chunk, actual $(($_chunk/1024))" >&2
+            err=$((err + 1))
+        fi
+        for i in `seq 0 $((t_num_disks - 1))`; do
+	    _offset=`cat ${sysfs}/md/rd${i}/offset`
+	    if [ $t_offset -ne $((_offset / 2)) ]; then
+		echo "**Error**: Offset mismatch - expected $t_offset, actual $_offset" >&2
+		err=$((err + 1))
+	    fi
+	    _rd_size=`cat ${sysfs}/md/rd${i}/size`
+	    if [ $t_rd_size -ne $_rd_size ]; then
+		echo "**Error**: Component size mismatch - expected $t_rd_size, actual $_rd_size" >&2
+		err=$((err + 1))
+	    fi
+        done
+        _size=`cat ${sysfs}/md/array_size`
+        if [ $t_size -ne $_size ]; then
+            echo "**Error**: Array size mismatch - expected $t_size, actual $_size" >&2
+            err=$((err + 1))
+        fi
+        if [ $err -gt 0 ]; then
+            echo "$t_member failed check" >&2
+            cat /proc/mdstat >&2
+            mdadm -E /dev/loop0 >&2
+            exit 1
+        fi
+        ;;
+    * )
+        echo >&2 "**Error** unknown check $1"; exit 1;
+    esac
+}
+
+export IMSM_NO_PLATFORM=1
+export IMSM_DEVNAME_AS_SERIAL=1
+export IMSM_TEST_OROM=1
+container=/dev/md/container
+member0=/dev/md/vol0
+member1=/dev/md/vol1
+member2=/dev/md/vol2
+member3=/dev/md/vol3
+member4=/dev/md/vol4
diff --git a/tests/func.sh b/tests/func.sh
new file mode 100644
index 0000000..9710a53
--- /dev/null
+++ b/tests/func.sh
@@ -0,0 +1,344 @@
+#!/bin/bash
+
+# We test mdadm on loop-back block devices.
+# dir for storing files should be settable by command line maybe
+size=20000
+# super0, round down to multiple of 64 and substract 64
+mdsize0=19904
+# super00 is nested, subtract 128
+mdsize00=19840
+# super1.0 round down to multiple of 2, subtract 8
+mdsize1=19992
+mdsize1a=19988
+mdsize12=19988
+# super1.2 for linear: round to multiple of 2, subtract 4
+mdsize1_l=19996
+mdsize2_l=19996
+# subtract another 4 for bitmaps
+mdsize1b=19988
+mdsize11=19992
+mdsize11a=19456
+mdsize12=19988
+
+# ddf needs bigger devices as 32Meg is reserved!
+ddfsize=65536
+
+# $1 is optional parameter, it shows why to save log
+save_log() {
+	status=$1
+	logfile="$status""$_basename".log
+
+	cat $targetdir/stderr >> $targetdir/log
+	cp $targetdir/log $logdir/$_basename.log
+	echo "## $HOSTNAME: saving dmesg." >> $logdir/$logfile
+	dmesg -c >> $logdir/$logfile
+	echo "## $HOSTNAME: saving proc mdstat." >> $logdir/$logfile
+	cat /proc/mdstat >> $logdir/$logfile
+	array=($(mdadm -Ds | cut -d' ' -f2))
+	[ "$1" == "fail" ] &&
+		echo "FAILED - see $logdir/$_basename.log and $logdir/$logfile for details"
+	if [ $DEVTYPE == 'lvm' ]
+	then
+		# not supported lvm type yet
+		echo
+	elif [ "$DEVTYPE" == 'loop' -o "$DEVTYPE" == 'disk' ]
+	then
+		if [ ! -z "$array" -a ${#array[@]} -ge 1 ]
+		then
+			echo "## $HOSTNAME: mdadm -D ${array[@]}" >> $logdir/$logfile
+			$mdadm -D ${array[@]} >> $logdir/$logfile
+			# ignore saving external(external file, imsm...) bitmap
+			cat /proc/mdstat | grep -q "linear\|external" && return 0
+			md_disks=($($mdadm -D -Y ${array[@]} | grep "/dev/" | cut -d'=' -f2))
+			cat /proc/mdstat | grep -q "bitmap"
+			if [ $? -eq 0 ]
+			then
+				echo "## $HOSTNAME: mdadm -X ${md_disks[@]}" >> $logdir/$logfile
+				$mdadm -X ${md_disks[@]} >> $logdir/$logfile
+				echo "## $HOSTNAME: mdadm -E ${md_disks[@]}" >> $logdir/$logfile
+				$mdadm -E ${md_disks[@]} >> $logdir/$logfile
+			fi
+		else
+			echo "## $HOSTNAME: no array assembled!" >> $logdir/$logfile
+		fi
+	fi
+}
+
+cleanup() {
+	udevadm settle
+	$mdadm -Ssq 2> /dev/null
+	case $DEVTYPE in
+	loop )
+		for d in 0 1 2 3 4 5 6 7  8 9 10 11 12 13
+		do
+			losetup -d /dev/loop$d &> /dev/null
+			rm -f /dev/disk/by-path/loop*
+			rm -f /var/tmp/mdtest$d
+		done
+	;;
+	lvm )
+		for d in 0 1 2 3 4 5 6 7  8 9 10 11 12 13
+		do
+			eval "lvremove --quiet -f \$dev$d"
+		done
+	;;
+	disk )
+		$mdadm --zero ${disks[@]} &> /dev/null
+	;;
+	esac
+}
+
+do_clean()
+{
+	mdadm -Ss > /dev/null
+	mdadm --zero $devlist 2> /dev/null
+	dmesg -c > /dev/null
+}
+
+check_env() {
+	user=$(id -un)
+	[ "X$user" != "Xroot" ] && {
+		echo "test: testing can only be done as 'root'."
+		exit 1
+	}
+	[ \! -x $mdadm ] && {
+		echo "test: please run make everything before perform testing."
+		exit 1
+	}
+	cmds=(mdadm lsblk df udevadm losetup mkfs.ext3 fsck seq)
+	for cmd in ${cmds[@]}
+	do
+		which $cmd > /dev/null || {
+			echo "$cmd command not found!"
+			exit 1
+		}
+	done
+	if $(lsblk -a | grep -iq raid)
+	then
+		# donot run mdadm -Ss directly if there are RAIDs working.
+		echo "test: please run test suite without running RAIDs environment."
+		exit 1
+	fi
+	# Check whether to run multipath tests
+	modprobe multipath 2> /dev/null
+	grep -sq 'Personalities : .*multipath' /proc/mdstat &&
+		MULTIPATH="yes"
+}
+
+do_setup() {
+	trap cleanup 0 1 3 15
+	trap ctrl_c 2
+
+	check_env
+	[ -d $logdir ] || mkdir -p $logdir
+
+	devlist=
+	if [ "$DEVTYPE" == "loop" ]
+	then
+		# make sure there are no loop devices remaining.
+		# udev started things can sometimes prevent them being stopped
+		# immediately
+		while grep loop /proc/partitions > /dev/null 2>&1
+		do
+			$mdadm -Ssq
+			losetup -d /dev/loop[0-9]* 2> /dev/null
+			sleep 0.2
+		done
+	elif [ "$DEVTYPE" == "disk" ]
+	then
+		if [ ! -z "$disks" ]
+		then
+			for d in $(seq 0 ${#disks[@]})
+			do
+				eval "dev$d=${disks[$d]}"
+				eval devlist=\"\$devlist \$dev$d\"
+				eval devlist$d=\"\$devlist\"
+			done
+			$mdadm --zero ${disks[@]} &> /dev/null
+		else
+			echo "Forget to provide physical devices for disk mode."
+			exit 1
+		fi
+	fi
+	for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
+	do
+		sz=$size
+		[ $d -gt 7 ] && sz=$ddfsize
+		case $DEVTYPE in
+		loop)
+			[ -f $targetdir/mdtest$d ] ||
+				dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
+			# make sure udev doesn't touch
+			mdadm --zero $targetdir/mdtest$d 2> /dev/null
+			[ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
+			if [ $d -eq 7 ]
+			then
+				losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
+			else
+				losetup /dev/loop$d $targetdir/mdtest$d
+			fi
+			eval dev$d=/dev/loop$d
+			eval file$d=$targetdir/mdtest$d
+		;;
+		lvm)
+			unset MULTIPATH
+			eval dev$d=/dev/mapper/${LVM_VOLGROUP}-mdtest$d
+			if ! lvcreate --quiet -L ${sz}K -n mdtest$d $LVM_VOLGROUP
+			then
+				trap '' 0 # make sure lvremove is not called
+				eval echo error creating \$dev$d
+				exit 129
+			fi
+		;;
+		ram)
+			unset MULTIPATH
+			eval dev$d=/dev/ram$d
+		;;
+		esac
+		eval devlist=\"\$devlist \$dev$d\"
+		eval devlist$d=\"\$devlist\"
+		#" <-- add this quote to un-confuse vim syntax highlighting
+	done
+	path0=$dev6
+	path1=$dev7
+	ulimit -c unlimited
+	[ -f /proc/mdstat ] || modprobe md_mod
+	echo 2000 > /proc/sys/dev/raid/speed_limit_max
+	echo 0 > /sys/module/md_mod/parameters/start_ro
+}
+
+# check various things
+check() {
+	case $1 in
+	opposite_result )
+		if [ $? -eq 0 ]; then
+			die "This command shouldn't run successfully"
+		fi
+	;;
+	spares )
+		spares=$(tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0)
+		[ $spares -ne $2 ] &&
+			die "expected $2 spares, found $spares"
+	;;
+	raid* | linear )
+		grep -sq "active $1 " /proc/mdstat ||
+			die "active $1 not found"
+	;;
+	algorithm )
+		grep -sq " algorithm $2 " /proc/mdstat ||
+			die "algorithm $2 not found"
+	;;
+	resync | recovery | reshape )
+		cnt=5
+		while ! grep -sq $1 /proc/mdstat
+		do
+			if [ $cnt -gt 0 ] && grep -v idle /sys/block/md*/md/sync_action > /dev/null
+			then # Something isn't idle - wait a bit
+				sleep 0.5
+				cnt=$[cnt-1]
+			else
+				die "no $1 happening"
+			fi
+		done
+	;;
+	nosync )
+		sleep 0.5
+		# Since 4.2 we delay the close of recovery until there has been a chance for
+		# spares to be activated.  That means that a recovery that finds nothing
+		# to do can still take a little longer than expected.
+		# add an extra check: is sync_completed shows the end is reached, assume
+		# there is no recovery.
+		if grep -sq -E '(resync|recovery|reshape) *=' /proc/mdstat
+		then
+			incomplete=`grep / /sys/block/md*/md/sync_completed 2> /dev/null | sed '/^ *\([0-9]*\) \/ \1/d'`
+			[ -n "$incomplete" ] &&
+				die "resync or recovery is happening!"
+		fi
+	;;
+	wait )
+		p=`cat /proc/sys/dev/raid/speed_limit_max`
+		echo 2000000 > /proc/sys/dev/raid/speed_limit_max
+		sleep 0.1
+		while grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat ||
+			grep -v idle > /dev/null /sys/block/md*/md/sync_action
+		do
+			sleep 0.5
+		done
+		echo $p > /proc/sys/dev/raid/speed_limit_max
+	;;
+	state )
+		grep -sq "blocks.*\[$2\]\$" /proc/mdstat ||
+			die "state $2 not found!"
+		sleep 0.5
+	;;
+	bitmap )
+		grep -sq bitmap /proc/mdstat ||
+			die "no bitmap"
+	;;
+	nobitmap )
+		grep -sq "bitmap" /proc/mdstat &&
+			die "bitmap present"
+	;;
+	readonly )
+		grep -sq "read-only" /proc/mdstat ||
+			die "array is not read-only!"
+	;;
+	inactive )
+		grep -sq "inactive" /proc/mdstat ||
+			die "array is not inactive!"
+	;;
+	# It only can be used when there is only one raid
+	chunk )
+		chunk_size=`awk -F',' '/chunk/{print $2}' /proc/mdstat | awk -F'[a-z]' '{print $1}'`
+		if [ "$chunk_size" -ne "$2" ] ; then
+			die "chunksize should be $2, but it's $chunk_size"
+		fi
+	;;
+	* )
+		die "unknown check $1"
+	;;
+	esac
+}
+
+no_errors() {
+	if [ -s $targetdir/stderr ]
+	then
+		echo Bad errors from mdadm:
+		cat $targetdir/stderr
+		exit 2
+	fi
+}
+
+# basic device test
+testdev() {
+	[ -b $1 ] || die "$1 isn't a block device."
+	[ "$DEVTYPE" == "disk" ] && return 0
+	udevadm settle
+	dev=$1
+	cnt=$2
+	dvsize=$3
+	chunk=$4
+	if [ -z "$5" ]
+	then
+		mkfs.ext3 -F -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
+	fi
+	dsize=$[dvsize/chunk]
+	dsize=$[dsize*chunk]
+	rasize=$[dsize*2*cnt]
+	# rasize is in sectors
+	if [ -n "$DEV_ROUND_K" ]
+	then
+		rasize=$[rasize/DEV_ROUND_K/2]
+		rasize=$[rasize*DEV_ROUND_K*2]
+	fi
+	[ `/sbin/blockdev --getsize $dev` -eq 0 ] && sleep 2
+	_sz=`/sbin/blockdev --getsize $dev`
+	[ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ] &&
+		die "size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
+	return 0
+}
+
+rotest() {
+	dev=$1
+	fsck -fn $dev >&2
+}
diff --git a/tests/imsm-grow-template b/tests/imsm-grow-template
new file mode 100644
index 0000000..1a8676e
--- /dev/null
+++ b/tests/imsm-grow-template
@@ -0,0 +1,119 @@
+
+# 0 - POSITIVE test, otherwise NEGATIVE test
+negative_test=$1
+
+# 0 - On-line Capacity Expansion test, otherwise LEVEL migration or CHUNK size migration test
+migration_test=$2
+
+function grow_member() {
+	local member=$1
+	local disks=$2
+	local comps=$3
+	local level=$4
+	local size=$5
+	local offset=$6
+	local chunk=$7
+	local old_chunk=$8
+	local array_size=$((comps * size))
+
+	rm -f $backup_imsm
+	if [ $chunk -eq $old_chunk ]; then
+		( set -ex; mdadm --grow $member --level=$level )
+	else
+		( set -ex; mdadm --grow $member --chunk=$chunk )
+	fi
+	local status=$?
+	if [ $negative_test -ne 0 ]; then
+		if [ $status -eq 0 ]; then
+			echo >&2 "**Error**: $member: --grow should failed, but it completed successfuly"
+			exit 1
+		fi
+		return
+	fi
+	check wait
+	sleep 5
+	imsm_check member $member $disks $level $size $array_size $offset $chunk
+	testdev $member $comps $size $chunk
+}
+
+# Create container
+mdadm --create --run $container --auto=md --metadata=imsm --raid-disks=$num_disks $device_list
+check wait
+imsm_check container $num_disks
+
+# Create first volume inside the container
+if [[ ! -z $vol0_chunk ]]; then
+	mdadm --create --run $member0 --auto=md --level=$vol0_level --size=$vol0_comp_size --chunk=$vol0_chunk --raid-disks=$num_disks $device_list
+else
+	mdadm --create --run $member0 --auto=md --level=$vol0_level --size=$vol0_comp_size --raid-disks=$num_disks $device_list
+fi
+check wait
+
+# Create second volume inside the container (if defined)
+if [ ! -z $vol1_level ]; then
+	if [ ! -z $vol1_chunk ]; then
+		mdadm --create --run $member1 --auto=md --level=$vol1_level --size=$vol1_comp_size --chunk=$vol1_chunk --raid-disks=$num_disks $device_list
+	else
+		mdadm --create --run $member1 --auto=md --level=$vol1_level --size=$vol1_comp_size --raid-disks=$num_disks $device_list
+	fi
+	check wait
+fi
+
+# Wait for any RESYNC to complete
+check wait
+
+# Test first volume
+imsm_check member $member0 $num_disks $vol0_level $vol0_comp_size $((vol0_comp_size * vol0_num_comps)) $vol0_offset $vol0_chunk
+testdev $member0 $vol0_num_comps $vol0_comp_size $vol0_chunk
+
+# Test second volume (if defined)
+if [ ! -z $vol1_level ]; then
+    imsm_check member $member1 $num_disks $vol1_level $vol1_comp_size $((vol1_comp_size * vol1_num_comps)) $vol1_offset $vol1_chunk
+    testdev $member1 $vol1_num_comps $vol1_comp_size $vol1_chunk
+fi
+
+# Add extra disks to container if operation requires spares in container.
+for i in $spare_list
+do
+    mdadm --add $container $i
+    check wait
+    num_disks=$((num_disks + 1))
+done
+
+imsm_check container $num_disks
+num_disks=$((num_disks + add_to_num_disks))
+backup_imsm=/tmp/backup_imsm
+
+# Grow each member or a container depending on the type of an operation
+if [ $migration_test -ne 0 ]; then
+	if [ -z $new_num_disks ]; then
+		new_num_disks=$num_disks
+	fi
+	grow_member $member0 $new_num_disks $vol0_new_num_comps $vol0_new_level $vol0_comp_size $vol0_offset $vol0_new_chunk $vol0_chunk
+	if [[ $vol1_new_chunk -ne 0 ]] ; then
+		grow_member $member1 $new_num_disks $vol1_new_num_comps $vol1_new_level $vol1_comp_size $vol1_offset $vol1_new_chunk $vol1_chunk
+	fi
+else
+	rm -f $backup_imsm
+	( set -x; mdadm --grow $container --raid-disks=$num_disks )
+	grow_status=$?
+	if [ $negative_test -ne 0 ]; then
+		if [ $grow_status -eq 0 ]; then
+			echo >&2 "**Error**: $container: --grow should failed, but it completed successfuly"
+			exit 1
+		fi
+	else
+		sleep 5
+		check wait
+		sleep 5
+		check wait
+		imsm_check member $member0 $num_disks $vol0_level $vol0_comp_size $((vol0_comp_size * vol0_new_num_comps)) $vol0_offset $vol0_chunk
+		testdev $member0 $vol0_new_num_comps $vol0_comp_size $vol0_chunk
+		if [ $vol1_new_num_comps -ne 0 ]; then
+			imsm_check member $member1 $num_disks $vol1_level $vol1_comp_size $((vol1_comp_size * vol1_new_num_comps)) $vol1_offset $vol1_chunk
+			testdev $member1 $vol1_new_num_comps $vol1_comp_size $vol1_chunk
+		fi
+	fi
+fi
+
+exit 0
diff --git a/tests/utils b/tests/utils
new file mode 100644
index 0000000..3acebd7
--- /dev/null
+++ b/tests/utils
@@ -0,0 +1,191 @@
+# set of functions used to test policy framework with assemble, incremental and Monitor
+
+set +e
+#create links to be able to use domains
+for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
+do
+       eval ln -s \$dev$d /dev/disk/by-path/loop$d
+       eval d$d="loop$d"
+       eval mdadm --zero-superblock \$dev$d
+done
+
+devices="/dev/loop[0-9] /dev/loop10 /dev/loop11 /dev/loop12"
+
+# on failure print out few things before exit
+# uses testdsc and platform global variables
+err(){
+       echo >&2 "ERROR: $*"
+       cat $config >&2 || true
+       cat /proc/mdstat >&2
+       [ -z "$testdsc" ] || { echo >&2 $platform: $testdsc "- failed"; }
+       ps -e | grep mdadm >&2 || true
+       if [ $listfailed == "yes" ]; then
+               [ "$verbose" != "yes" ] || echo ---FAILED---
+               flist="$flist \n $platform $testdsc"
+               failed=1
+       else
+               exit 1
+       fi
+}
+
+# set test description
+dsc(){
+       failed=0
+       testdsc="$*"
+       [ "$verbose" != "yes" ] || echo $testdsc
+}
+
+killmonitor(){
+       [ -z "$monitorpid" ] || { kill -9 $monitorpid; unset monitorpid; }
+}
+
+tidyup(){
+       killmonitor
+       mdadm -Ss || true
+       mdadm -Ss
+       mdadm --zero-superblock $devices || true
+       udevadm settle
+       rm -f $config
+}
+
+trap tidyup 0 1 2 3 15
+
+# create a RAID 1 array or container and subarray(s) on 2 disks
+# if platform not specified imsm is used
+# if subsize is given, first subarray is created with given size and second one on remaining space
+ccv(){
+       # mddevno used to name created array
+       local mddevno="$1"
+       # numbers of devices to be used in array
+       local devno1="$2"
+       local devno2="$3"
+       local platform="$4"
+       local subsize="$5"
+       local onearray="$6"
+       [ -n "$platform" ] || platform="imsm"
+       if [ "$platform" == "imsm" ] || [ "$platform" == "ddf" ]; then
+               eval mdadm -CR /dev/md/con$mddevno -e $platform -n 2 \$dev$devno1 \$dev$devno2
+               udevadm settle
+               [ -z "$subsize" ] || eval mdadm -CR sub$mddevno"_" -l 1 -n 2 /dev/md/con$mddevno -z $subsize
+               [ -n "$onearray" ] || eval mdadm -CR sub$mddevno -l 1 -n 2 /dev/md/con$mddevno
+       else
+               [ -z "$subsize" ] || sizepar="-z $subsize"
+               eval mdadm -CR arr$mddevno -e $platform -l 1 -n 2 \$dev$devno1 \$dev$devno2 $sizepar
+               unset sizepar
+       fi
+}
+
+# get container and subarray using given device from mdstat
+# sets global variables c and v
+getarray(){
+       local devname=`basename $1`
+       local platformtype=`grep -A 1 $devname /proc/mdstat | awk '/active/ {getline; print $4 }' | awk -F ":" 'END {print $1}'`
+       c=`grep "inactive.*$devname" /proc/mdstat | awk -F " " '{print $1}'`
+       v=`grep " active.*$devname" /proc/mdstat | awk -F " " '{print $1}'`
+       [ "$platformtype" == "external" ] || c=$v
+}
+
+# check if given device belongs to any container and subarray
+# if $2 given then only container checked
+chkarray(){
+       local devname="$1"
+       local subcheck="$2"
+       getarray $devname
+       [ -n "$c" ] || err "$devname not in any container"
+       [ -n "$subcheck" ] || [ -n "$v" ] || err " $devname not in subarray"
+}
+
+# test if two devices in the same container/subarray
+# $1 $2 - devices
+# $3 don't check subarrays, only containers
+tst(){
+       local device1=`basename $1`
+       local device2=`basename $2`
+       local subcheck="$3"
+       chkarray $device1 $subcheck
+       local x="$c"
+       local y="$v"
+       chkarray $device2 $subcheck
+       [ "$c" == "$x" ] || err "$device1 and $device2 not in the same container"
+       [ -n "$subcheck" ] || [ "$v" == "$y" ] || err "$device1 and $device2 not in the same subarray"
+}
+
+# same as tst, just use numbers of devices instead of names as parameters
+dtst(){
+       local devno1="$1"
+       local devno2="$2"
+       local subcheck="$3"
+       eval tst \$dev$devno1 \$dev$devno2 $subcheck
+}
+
+# create containers/subarrays, check if created properly,
+# set global variables c$mddevno v$mddevno, usually c0=md127, v0=md126 , etc.
+setupdevs(){
+       local mddevno="$1"
+       local devno1="$2"
+       local devno2="$3"
+       local p="$4"
+       local subsize="$5"
+       local onearray="$6"
+       [ -n "$p" ] || p=$platform
+       ccv $mddevno $devno1 $devno2 $p $subsize $onearray
+       dtst $devno1 $devno2
+       eval c$mddevno=\"$c\"
+       eval v$mddevno=\"$v\"
+}
+
+# check if given spare in container
+# usage: chkspare container spare [n]  (n if spare shouldn't be in container)
+chkspare(){
+       local container=`basename $1`
+       local spare=$2
+       local expected=$3
+       getarray $spare
+       [ -n "$expected" ] || expected="y"
+       if [ "$expected" == "y" ]; then
+               [ "$c" == "$container" ] || err "$spare not in container $container"
+       else
+               [ "$c" != "$container" ] || err "$spare in container $container"
+       fi
+}
+
+#check if spare was moved from one container to another
+# args: from_container to_container spare [yn]
+# n when spare should remain in original container
+chksparemoved(){
+       sleep $sleeptime
+       from_container="$1"
+       to_container="$2"
+       spare="$3"
+       expected="$4"
+       [ -n "$expected" ] || expected="y"
+       notexpected="n"; [ "$expected" == "y" ] || notexpected="y"
+       chkspare $from_container $spare $notexpected
+       [ $failed -eq 1 ] || chkspare $to_container $spare $expected
+}
+
+
+# for domains defined through policy
+createconfig(){
+if [ "$1" != "a" ]; then
+{
+       domain=$1
+       metadata=$2
+       action=$3
+       while [ -n "$4" ]; do
+               echo="policy domain=$domain"
+               [ "$metadata" == "noplatform" ] ||  echo="$echo metadata=$metadata"
+               echo="$echo path=loop$4"
+               echo="$echo action=$action"
+               echo "$echo"
+               shift
+       done
+} >> $config
+else
+{
+       echo "DEVICES $devlist /dev/md1*"
+       mdadm -Ebs
+} >  $config
+fi
+#[ "$verbose" != "yes" ] || cat $config | grep policy || true
+}