# create a simple raid4 set

mdadm -CfR $md0 -l 4 -n3 $dev0 $dev1 $dev2
check resync ; check raid[45]
testdev $md0 2 $mdsize1 512
mdadm -S $md0

# now with version-1 superblock
mdadm -CR $md0 -e1 --level=raid4 -n4 $dev0 $dev1 $dev2 $dev3
check recovery; check raid[45]
testdev $md0 3 $mdsize1 512
mdadm -S $md0


exit 0