tests/07testreshape5

   1
   2 #
   3 # test the reshape code by using test_reshape and the
   4 # kernel md code to move data into and out of variously
   5 # shaped md arrays.
   6 set -x
   7 layouts=(la ra ls rs)
   8 for level in 5 6
   9 do
  10 for chunk in 4 8 16 32 64 128
  11 do
  12   devs="$dev1"
  13   for disks in 2 3 4 5 6
  14   do
  15     eval devs=\"$devs \$dev$disks\"
  16     if [ " $level $disks" = " 6 3" -o " $level $disks" = " 6 2" ]
  17     then continue
  18     fi
  19     for nlayout in 0 1 2 3
  20     do
  21       layout=${layouts[$nlayout]}
  22
  23       size=$[chunk*(disks-(level-4))*disks]
  24
  25       # test restore: make a raid5 from a file, then do a compare
  26       dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$size
  27       $dir/test_stripe restore /tmp/RandFile $disks $[chunk*1024] $level $nlayout 0 $[size*1024] $devs
  28       mdadm -CR -e 1.0 $md0 -amd -l$level -n$disks --assume-clean -c $chunk -p $layout $devs
  29       cmp -s -n $[size*1024] $md0 /tmp/RandFile || { echo cmp failed ; exit 2; }
  30
  31       # FIXME check parity
  32
  33       # test save
  34       dd if=/dev/urandom of=$md0 bs=1024 count=$size
  35       blockdev --flushbufs $md0 $devs; sync
  36       > /tmp/NewRand
  37       $dir/test_stripe save /tmp/NewRand $disks $[chunk*1024] $level $nlayout 0 $[size*1024] $devs
  38       cmp -s -n $[size*1024] $md0 /tmp/NewRand || { echo cmp failed ; exit 2; }
  39       mdadm -S $md0
  40       udevadm settle
  41     done
  42   done
  43 done
  44 done
  45 exit 0
  46