tests/01r5integ

   1
   2 # Check integrity of raid5 in degraded mode
   3 # Create a 4 disk raid5, create a filesystem and
   4 # sh1sum it with each device failed
   5
   6 for layout in ls rs la ra
   7 do
   8   mdadm -CR $md0 -l5 --layout $layout -n4 $dev0 $dev1 $dev2 $dev3
   9   check wait
  10   tar cf - /etc > $md0
  11   sum=`sha1sum $md0`
  12
  13   for i in $dev0 $dev1 $dev2 $dev3
  14   do
  15     mdadm $md0 -f $i
  16     mdadm $md0 -r $i
  17     blockdev --flushbufs $md0
  18     sum1=`sha1sum $md0`
  19     if [ $sum != $sum1 ]
  20     then
  21      echo $sum does not matc $sum1 with $i missing
  22      exit 1
  23     fi
  24     mdadm $md0 -a $i
  25    check wait
  26   done
  27   mdadm -S $md0
  28 done
  29