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linux lvm扩容


1.分区,
  查看磁盘使用:fdisk -l

  对磁盘分区:fdisk /dev/sdb


2.创建pv

  pvcreate /dev/sdb1

  查看pv: pvdisplay


3.查看vg
  vgdisplay
  --- Volume group ---
  VG Name               VolGroup00


4.扩容vg
  vgextend VolGroup00 /dev/sdb1
  Volume group "VolGroup00" successfully extended


5.检查vg

  vgdisplay


6.查看lv

  lvdisplay
    --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00 


7.扩容lv

  lvextend /dev/VolGroup00/LogVol00 /dev/sdb1


8.查看lv

  lvdisplay
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00


9.扩容磁盘空间


  扩容分区:resize2fs /dev/mapper/lv_root

  查看: df -h


完成

linux lvm扩容