20 umount /opt/dvd/
21 mount /dev0 /opt/dvd/
22 yum clean all
23 yum list
24 yum install mdadm
27 mdadm -C -v /dev/md0 -l 0 -n 2 /dev/sdb1 /dev/sdc1
28 ll /dev/md0
35 mdadm -Ds > /etc/mdadm.conf
36 cat /etc/mdadm.conf
44 fdisk /dev/md0
45 ll /dev/md0
46 mkfs.xfs /dev/md0p1
47 mkdir /mnt/md0
49 mount /dev/md0p1 /mnt/md0/
50 df -Th
51 blkid | grep md0
52 vi /etc/fstab
53 tail -l /etc/fstab
54 history
原文：http://blog.51cto.com/13957988/2177855