硬盘分区问题
Disk /dev/xvda: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
     Device Boot      Start         End      Blocks   Id  System
/dev/xvda1   *           1          13      104391   83  Linux
/dev/xvda2              14        1044     8281507+  8e  Linux LVM
/dev/xvda是21.4G的,现在/dev/xvda2是8G的,我想把xvda2分区变大,把xvda加上去,该怎么办呀
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