  --- Logical volume ---
  LV Path                /dev/cpsVG/rootfs
  LV Name                rootfs
  VG Name                cpsVG
  LV UUID                JVUBG8-Rayh-H4X5-tI46-cg9c-xDPd-YM2IQW
  LV Write Access        read/write
  LV Creation host, time Euler, 2016-11-17 21:22:55 +0800
  LV Status              available
  # open                 1
  LV Size                50.00 GiB
  Current LE             1600
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0
   
  --- Logical volume ---
  LV Path                /dev/cpsVG/bak_rootfs
  LV Name                bak_rootfs
  VG Name                cpsVG
  LV UUID                WqN3Oc-SHdE-RVOx-AYO0-ArXD-MQDy-z8Mkfb
  LV Write Access        read/write
  LV Creation host, time Euler, 2016-11-17 21:23:05 +0800
  LV Status              NOT available
  LV Size                50.00 GiB
  Current LE             1600
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
   
  --- Logical volume ---
  LV Path                /dev/cpsVG/log
  LV Name                log
  VG Name                cpsVG
  LV UUID                2k0s1Q-iJ8K-c04w-UMVH-KxoM-Yum0-czinWe
  LV Write Access        read/write
  LV Creation host, time Euler, 2016-11-17 21:23:15 +0800
  LV Status              available
  # open                 1
  LV Size                10.00 GiB
  Current LE             320
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2
   
