[root@localhost ~]# pvdisplay
Couldn't find device with uuid KkvdjR-tzB5-lNCn-lOvv-CZBm-OazH-J6Wsfn.
--- Physical volume ---
PV Name /dev/sda2
VG Name VolGroup
PV Size 49.51 GiB / not usable 3.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 12674
Free PE 0
Allocated PE 12674
PV UUID RagRBO-ezkf-MKQl-NewK-02it-mHNS-ILAw8c
--- Physical volume ---
PV Name unknown device
VG Name VolGroup
PV Size 200.00 GiB / not usable 4.00 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 51199
Free PE 51199
Allocated PE 0
PV UUID KkvdjR-tzB5-lNCn-lOvv-CZBm-OazH-J6Wsfn
--- Physical volume ---
PV Name /dev/sdb5
VG Name VolGroup
PV Size 200.00 GiB / not usable 1.31 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 51199
Free PE 51199
Allocated PE 0
PV UUID Jhdkxc-6Asc-r3rR-ctyk-qrHD-A90W-FXXxGw
[root@localhost ~]# vgdisplay
Couldn't find device with uuid KkvdjR-tzB5-lNCn-lOvv-CZBm-OazH-J6Wsfn.
--- Volume group ---
VG Name VolGroup
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 5
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 3
Act PV 2
VG Size 449.50 GiB
PE Size 4.00 MiB
Total PE 115072
Alloc PE / Size 12674 / 49.51 GiB
Free PE / Size 102398 / 399.99 GiB
VG UUID D4EAjJ-vslQ-s5Rk-pfDb-CoQ0-Z6SO-svSS6z
执行 vgreduce --removemissing VolGroup即可修复 PV Name ＝unknown device
[root@localhost ~]# vgreduce --removemissing VolGroup
Couldn't find device with uuid KkvdjR-tzB5-lNCn-lOvv-CZBm-OazH-J6Wsfn.
Wrote out consistent volume group VolGroup
[root@localhost ~]# pvdisplay
--- Physical volume ---
PV Name /dev/sda2
VG Name VolGroup
PV Size 49.51 GiB / not usable 3.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 12674
Free PE 0
Allocated PE 12674
PV UUID RagRBO-ezkf-MKQl-NewK-02it-mHNS-ILAw8c
--- Physical volume ---
PV Name /dev/sdb5
VG Name VolGroup
PV Size 200.00 GiB / not usable 1.31 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 51199
Free PE 51199
Allocated PE 0
PV UUID Jhdkxc-6Asc-r3rR-ctyk-qrHD-A90W-FXXxGw
[root@localhost ~]# vgdisplay
--- Volume group ---
VG Name VolGroup
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 6
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 2
Act PV 2
VG Size 249.50 GiB
PE Size 4.00 MiB
Total PE 63873
Alloc PE / Size 12674 / 49.51 GiB
Free PE / Size 51199 / 200.00 GiB
VG UUID D4EAjJ-vslQ-s5Rk-pfDb-CoQ0-Z6SO-svSS6z
[root@localhost ~]# lvextend -L 240G /dev/VolGroup/lv_root
Extending logical volume lv_root to 240.00 GiB
Logical volume lv_root successfully resized
[root@localhost ~]# resize2fs -p /dev/VolGroup/lv_root
resize2fs 1.41.12 (17-May-2010)
Filesystem at /dev/VolGroup/lv_root is mounted on /; on-line resizing required
old desc_blocks = 3, new_desc_blocks = 15
Performing an on-line resize of /dev/VolGroup/lv_root to 62914560 (4k) blocks.
The filesystem on /dev/VolGroup/lv_root is now 62914560 blocks long.
[root@localhost ~]# vgdisplay
--- Volume group ---
VG Name VolGroup
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 7
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 2
Act PV 2
VG Size 249.50 GiB
PE Size 4.00 MiB
Total PE 63873
Alloc PE / Size 62432 / 243.88 GiB
Free PE / Size 1441 / 5.63 GiB
VG UUID D4EAjJ-vslQ-s5Rk-pfDb-CoQ0-Z6SO-svSS6z
