2
# create a simple raid4 set
4
mdadm -CfR $md0 -l 4 -n3 $dev0 $dev1 $dev2
5
check resync ; check raid[45]
6
testdev $md0 2 $mdsize0 64
9
# now with version-1 superblock
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mdadm -CR $md0 -e1 --level=raid4 -n4 $dev0 $dev1 $dev2 $dev3
11
check resync; check raid[45]
12
testdev $md0 3 $mdsize1 64