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 chunk in 4 8 16 32 64 128
   9 do
  10   devs="$dev1"
  11   for disks in 2 3 4 5 6
  12   do
  13     eval devs=\"$devs \$dev$disks\"
  14     for nlayout in 0 1 2 3
  15     do
  16       layout=${layouts[$nlayout]}
  17
  18       size=$[chunk*(disks-1)*disks]
  19
  20       # test restore: make a raid5 from a file, then do a compare
  21       dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$size
  22       $dir/test_stripe restore /tmp/RandFile $disks $[chunk*1024] 5 $nlayout 0 $[size*1024] $devs
  23       $mdadm -CR $md0 -amd -l5 -n$disks --assume-clean -c $chunk -p $layout $devs
  24       cmp -s -n $[size*1024] $md0 /tmp/RandFile || { echo cmp failed ; exit 2; }
  25
  26       # FIXME check parity
  27
  28       # test save
  29       dd if=/dev/urandom of=$md0 bs=1024 count=$size
  30       > /tmp/NewRand
  31       $dir/test_stripe save /tmp/NewRand $disks $[chunk*1024] 5 $nlayout 0 $[size*1024] $devs
  32       cmp -s -n $[size*1024] $md0 /tmp/NewRand || { echo cmp failed ; exit 2; }
  33       $mdadm -S $md0
  34     done
  35   done
  36 done
  37 exit 0
  38