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+#!/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 $(lsblk -a | grep -iq raid)
+ then
+ # donot run mdadm -Ss directly if there are RAIDs working.
+ echo "test: please run test suite without running RAIDs environment."
+ exit 1
+ fi
+ # Check whether to run multipath tests
+ modprobe multipath 2> /dev/null
+ grep -sq 'Personalities : .*multipath' /proc/mdstat &&
+ MULTIPATH="yes"
+ if [ "$MULTIPATH" != "yes" ]; then
+ echo "test: skipping tests for multipath, which is removed in upstream 6.8+ kernels"
+ fi
+
+ # Check whether to run linear tests
+ modprobe linear 2> /dev/null
+ grep -sq 'Personalities : .*linear' /proc/mdstat &&
+ LINEAR="yes"
+ if [ "$LINEAR" != "yes" ]; then
+ echo "test: skipping tests for linear, which is removed in upstream 6.8+ kernels"
+ fi
+}
+
+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
+ 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
+}
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