1.（1）t (2)fd  (3) w

2.partprobe /dev/sdb

3.mdadm -Cv /dev/md0 -l 1 -n 2 -x 1 /dev/sdb{1,2,3}

4.cat /proc/mdstat

5.madam --detail /dev/md0

6.mkfs -t ext3 /dev/md0

7.mkdir /mnt/1

8.mount /dev/md0 /mnt/1

9.cd /mnt/1

10.cp -a -r /usr/share/