挂载阿里云的数据盘

fdisk -l

Disk /dev/xvda: 21.5 GB, 21474836480 bytes

255 heads, 63 sectors/track, 2610 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00073f45

   Device Boot      Start         End      Blocks   Id  System

/dev/xvda1   *           1        2611    20970496   83  Linux

Disk /dev/xvdb: 5368 MB, 5368709120 bytes

255 heads, 63 sectors/track, 652 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

发现/dev/xvdb

格式化

mkfs.ext4 /dev/xvdb

建立挂载位置

mkdir /data

挂载

mount /dev/xvdb /data

ok了 df 一下

Filesystem            Size  Used Avail Use% Mounted on

/dev/xvda1             20G  2.9G   16G  16% /

tmpfs                 245M     0  245M   0% /dev/shm

/dev/xvdb             5.0G  138M  4.6G   3% /data