为什么我这里的硬盘显示的是xvda?这个是什么意思
[root@iZ28lmffy00Z /]# fdisk -l
Disk /dev/xvda: 42.9 GB, 42949672960 bytes, 83886080 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[root@iZ28lmffy00Z /]# fdisk -l
Disk /dev/xvda: 42.9 GB, 42949672960 bytes, 83886080 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
2016-01-23