A、RAID1 B、RAID0 C、RAID5 D、RAID3
A、RAID5 B、RAID1 C、RAID0 D、RAID6
A、mdadm—add/dev/md0/dev/sdb1 B、mdadm—stop/dev/md0 C、mdadm—grow/dev/md0/dev/sdb1 D、mdadm—stop/dev/md1
