Lvm移除、合并lv

lvremove /dev/VolGroup00/LogVo103 //移除逻辑卷 LogVo103

vgdisplay //查看VolGroup00 卷组的信息

--- Volume group ---

VG Name VolGroup00 //卷组名

System ID

Format lvm2

Metadata Areas 1

Metadata Sequence No 7

VG Access read/write

VG Status resizable

MAX LV 0

Cur LV 3

Open LV 3

Max PV 0

Cur PV 1

Act PV 1

VG Size 136.00 GB //整个卷组的大小

PE Size 32.00 MB //PE大小

Total PE 4352 //PE的个数

Alloc PE / Size 4352 / 136.00 GB PE总数/卷组大小

Free PE / Size 1319 / 44.01GB //剩余PE数量/卷组剩余空间

VG UUID 6Dzywc-RyhK-eoA6-23Ha-CblO-ZhpK-lFskV1

#lvextend -l +1319 /dev/VolGroup00/LogVo102 //lvextend添加空闲的1319个PE

#lvextend -L +44.01G /dev/VolGroup00/LogVo102 //和上面的命令效果一样

#resize2fs /dev/VolGroup00/LogVo102 //开始扩充逻辑卷 LogVo102

#cat /etc/fstab //删除里面之前的逻辑卷LogVo103 的信息