这种情况是不是数据盘挂载成功了

login as: root
root@112.124.16.198's password:
Last login: Mon Aug  5 16:23:02 2013 from 119.39.102.220

Welcome to aliyun Elastic Compute Service!

[root@AY1308051344530722caZ ~]# fdisk -l

Disk /dev/hda: 21.4 GB, 21474836480 bytes
224 heads, 56 sectors/track, 3343 cylinders
Units = cylinders of 12544 * 512 = 6422528 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *           1        3343    20967268   83  Linux

Disk /dev/xvdb: 10.7 GB, 10737418240 bytes
224 heads, 56 sectors/track, 1671 cylinders
Units = cylinders of 12544 * 512 = 6422528 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/xvdb1               1        1671    10480484   83  Linux
[root@AY1308051344530722caZ ~]#

还有/dev/hda1 这个到底是属于哪个盘