挂载 格式化

[root@iZ25r0ej7v1Z mnt]# fdisk /dev/xvdx

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to

         switch off the mode (command 'c') and change display units to

         sectors (command 'u').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

1

Invalid partition number for type `1'

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-652, default 1): (直接换行)

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-652, default 652): (直接换行)

Using default value 652

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

格式化

mkfs.ext3 /dev/xvdb

[root@iZ25r0ej7v1Z mnt]# fdisk -l

mount /dev/xvdx /x

df （看是否成功挂在mnt上）

1 2 3 4 5

[root@iZ253hlps3yZ ~]# df -m Filesystem     1M-blocks  Used Available Use% Mounted on /dev/xvda1         40316  2838     35431   8% / tmpfs                498     0       498   0% /dev/shm /dev/xvdb           5040   139      4646   3% /mnt