# create a simple raid0

mdadm -CR $md0 -l raid0 -n3 $dev0 $dev1 $dev2
check raid0
testdev $md0 3 $mdsize2_l 512
mdadm -S $md0

# now with version-0.90 superblock
mdadm -CR $md0 -e0.90 -l0 -n4 $dev0 $dev1 $dev2 $dev3
check raid0
testdev $md0 4 $mdsize0 512
mdadm -S $md0

# now with no superblock
mdadm -B $md0 -l0 -n5 $dev0 $dev1 $dev2 $dev3 $dev4
check raid0
testdev $md0 5 $size 512
mdadm -S $md0


# now same again with different chunk size
for chunk in 4 32 256
do
  mdadm -CR $md0 -e0.90 -l raid0 --chunk $chunk -n3 $dev0 $dev1 $dev2
  check raid0
  testdev $md0 3 $mdsize0 $chunk
  mdadm -S $md0

  # now with version-1 superblock
  mdadm -CR $md0 -e1.0 -l0 -c $chunk -n4 $dev0 $dev1 $dev2 $dev3
  check raid0
  testdev $md0 4 $mdsize1 $chunk
  mdadm -S $md0

  # now with no superblock
  mdadm -B $md0 -l0 -n5 --chun=$chunk $dev0 $dev1 $dev2 $dev3 $dev4
  check raid0
  testdev $md0 5 $size $chunk
  mdadm -S $md0

done
exit 0