pvremove 操作造成如下问题

[root@localhost ~]# pvdisplay
  Couldn't find device with uuid cSi4vX-neg1-seme-1t1B-B0cb-QFUw-rT3F3M.
  --- Physical volume ---
  PV Name               /dev/sda2
  VG Name               VolGroup
  PV Size               19.51 GiB / not usable 3.00 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              4994
  Free PE               0
  Allocated PE          4994
  PV UUID               7p34Dc-1dzy-RAkM-IdSK-JqgE-sEUL-Mlb0Oc

  --- Physical volume ---
  PV Name               unknown device
  VG Name               VolGroup
  PV Size               10.00 GiB / not usable 4.00 MiB
  Allocatable           yes
  PE Size               4.00 MiB
  Total PE              2559
  Free PE               2559
  Allocated PE          0
  PV UUID               cSi4vX-neg1-seme-1t1B-B0cb-QFUw-rT3F3M

执行 vgreduce --removemissing VolGroup即可修复

[root@localhost ~]# vgreduce --removemissing VolGroup
  Couldn't find device with uuid cSi4vX-neg1-seme-1t1B-B0cb-QFUw-rT3F3M.
  Wrote out consistent volume group VolGroup
[root@localhost ~]# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sda2
  VG Name               VolGroup
  PV Size               19.51 GiB / not usable 3.00 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              4994
  Free PE               0
  Allocated PE          4994
  PV UUID               7p34Dc-1dzy-RAkM-IdSK-JqgE-sEUL-Mlb0Oc