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-rw-r--r--tests/01raid6integ57
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/01raid6integ b/tests/01raid6integ
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+++ b/tests/01raid6integ
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+
+# 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