1 2 3 4 5 6 7 8 9 10 11
exit 0 mdadm -CR $md0 -l1 -n3 $dev1 $dev2 $dev3 ls -Rl /sys/block/md0 cat /sys/block/md0/md/level cat /sys/block/md0/md/raid_disks mdadm -S $md0 exit 1