mdadm/tests/01r5integ

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# 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