分区在查看PV时提示以下错误： Couldn't find device with uuid XXXX
1、 pvscan ---确定删除的组名
PV /dev/xvda2 VG VolGroup lvm2 [7.88 GB / 0 free]
PV /dev/xvda3 VG VolGroup lvm2 [1.97 GB / 0 free]
PV unknown device VG VolGroup lvm2 [9.97 GB / 9.97 GB free]
2、VG中去除PV unknown device： vgreduce --removemissing /dev/VolGroup
Couldn't find device with uuid XxXX
Wrote out consistent volume group VolGroup
3、从VG中去除特定PV：1vgreduce VolGroup /dev/xvdb1
4、删除PV：1pvremove /dev/xvdb1
5、重新创建PV
