# 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