由于开发测试机器dev-vhost017根分区规划不足只有10G,需要扩容。(基于LVM)
先关闭dev-vhost017，然后在vSphere Client 将根分区硬盘10G 调整到50G
开启虚拟机
原始/ 大小 10G
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[root@dev-vhost017 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_centos6-lv_root
8.3G 4.0G 3.9G 51% /
tmpfs 939M 12K 939M 1% /dev/shm
/dev/sda1 477M 57M 396M 13% /boot
查看磁盘sda已扩展到50G
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[root@dev-vhost017 ~]# fdisk /dev/sda
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): p
Disk /dev/sda: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 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: 0x0007ef5b
Device Boot Start End Blocks Id System
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 1306 9972736 8e Linux LVM
Disk /dev/mapper/vg_centos6-lv_root: 9135 MB, 9135194112 bytes
255 heads, 63 sectors/track, 1110 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
Disk /dev/mapper/vg_centos6-lv_swap: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 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
