RAID10：
[root@localhost ~]# mdadm -Cv /dev/md0 -a yes -n 4 -l 10 /dev/sd[b-e] [root@localhost ~]# mdadm -Q /dev/md0 （简要查看） [root@localhost ~]# mdadm -D /dev/md0 （详细查看） [root@localhost ~]# mkfs.xfs /dev/md0 [root@localhost ~]# mkdir /haha [root@localhost ~]# mount /dev/md0 /haha [root@localhost ~]# df –h [root@localhost ~]# vim /etc/fstab /dev/md0 /haha xfs defaults 0 0 [root@localhost ~]# cd /haha [root@localhost haha]# ls [root@localhost haha]# cp -rf /etc/* ./ [root@localhost haha]# ls [root@localhost ~]# mdadm /dev/md0 -f /dev/sdb [root@localhost ~]# mdadm -D /dev/md0 [root@localhost ~]# umount /haha [root@localhost ~]# mdadm /dev/md0 -a /dev/sdb mdadm: added /dev/sdb [root@localhost ~]# mdadm -D /dev/md0 [root@localhost ~]# mount -a [root@localhost ~]# df -h
RAID5：
[root@localhost ~]# ls -l /dev/sd* [root@localhost ~]# mdadm -Cv /dev/md0 -n 3 -l 5 -x 1 /dev/sd[b-e] [root@localhost ~]# mdadm -D /dev/md0 [root@localhost ~]# mkfs.ext4 /dev/md0 [root@localhost ~]# mkdir /hoho [root@localhost ~]# mount /dev/md0 /hoho [root@localhost ~]# df -h [root@localhost ~]# vim /etc/fstab