1首先查看磁盘空间
Couldn't find device with uuid '0nj0qx-VlNb-jmR9-C2zL-shOC-THot-bgSwp5'.
Cannot change VG VolGroup00 while PVs are missing.
Consider vgreduce --removemissing.
7再次添加：lvextend -L +20g /dev/mapper/VolGroup00-LogVol05
8成功
df -h
2 u01 空间太小 , 此时想扩展.
3 进行vgdisplay 产看总的vg 容量 和空闲容量
4然后添加20g 给lv
u01 ：lvextend -L +20g /dev/mapper/VolGroup00-LogVol05
u01 ：lvextend -L +20g /dev/mapper/VolGroup00-LogVol05
5报错：
Couldn't find device with uuid 'OVaMbM-aldk-cdMM-jkwE-hGG2-ay0g-qMetZo'.
Couldn't find device with uuid 'OVaMbM-aldk-cdMM-jkwE-hGG2-ay0g-qMetZo'.
Couldn't find device with uuid '0nj0qx-VlNb-jmR9-C2zL-shOC-THot-bgSwp5'.
Cannot change VG VolGroup00 while PVs are missing.
Consider vgreduce --removemissing.
6处理方法：
vgreduce --removemissing VolGroup00
vgreduce --removemissing VolGroup00
7再次添加：lvextend -L +20g /dev/mapper/VolGroup00-LogVol05
8成功
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/30176559/viewspace-1652094/ ，如需转载，请注明出处，否则将追究法律责任。
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