Linux下,解决LVM分区中unknown device的bug

LVM分区中查看PV时,出现如下错误:

# pvscan

Couldn't find device with uuid .........

PV   /dev/sda2                  VG  VolGroup00    lvm2 [17.99GB/0  free]

PV   unknown device        VG  VolGroup00    lvm2[2.21GB/2.21GB]

 

解决方法:从VG中去除PV unknown device

采用 vgreduce --removemissing /dev/VolGroup00 命令去除未知或已丢失的VG

 

从VG中去除特定的PV:

vgreduce VolGroup00 /dev/sdb1

 

删除PV:

pvremove /dev/sdb1

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