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-rw-r--r--tests/10ddf-incremental-wrong-order131
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+# 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 ]