repair a damaged vg

[Maurizio Marini]

On Sunday 20 December 2009, Tom H wrote:

Thnx Tom for trying to help me :)
> Have you tried vgreduce and then vgextend again before the lvextend?
no, sadly
this was the sequence

[23:08:12 root at xxx ~ ]# pvcreate /dev/sdc
  Physical volume "/dev/sdc" successfully created

[23:08:27 root at xxx ~ ]# vgextend /dev/mapper/VolGroup01 /dev/sdc
  Volume group "VolGroup01" successfully extended
[23:08:48 root at xxx ~ ]# lvextend -l 100%VG  /dev/mapper/VolGroup01-lvol0
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  Extending logical volume lvol0 to 329,99 GB
  Cannot update volume group VolGroup01 while physical volumes are missing.
[23:09:19 root at xxx ~ ]# lvextend -l 100%VG  VolGroup01-lvol0
  Path required for Logical Volume "VolGroup01-lvol0"
  Please provide a volume group name
  Run `lvextend --help' for more information.
[23:09:47 root at xxx ~ ]# lvextend -l 100%VG  /dev/mapper/VolGroup01-lvol0
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  Extending logical volume lvol0 to 329,99 GB
  Cannot update volume group VolGroup01 while physical volumes are missing.
[23:10:01 root at xxx ~ ]# lvextend -l 100%free  /dev/mapper/VolGroup01-lvol0
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  New size given (20479 extents) not larger than existing size (63999 extents)
  Run `lvextend --help' for more information.
[23:10:20 root at xxx ~ ]# lvextend -l 100%free  /dev/VolGroup01/lvol0
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  New size given (20479 extents) not larger than existing size (63999 extents)
  Run `lvextend --help' for more information.
[23:11:01 root at xxx ~ ]# lvextend -l 100%VG  /dev/VolGroup01/lvol0
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  Extending logical volume lvol0 to 329,99 GB
  Cannot update volume group VolGroup01 while physical volumes are missing.
[23:11:08 root at xxx ~ ]# lvdisplay
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  --- Logical volume ---
  LV Name                /dev/VolGroup01/lvol0
  VG Name                VolGroup01
  LV UUID                A507we-8Kda-srlT-1MjO-lR7F-k0Xo-powd5x
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                250,00 GB
  Current LE             63999
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00
  LV UUID                vbuKvi-Kf9H-R8LV-iLH6-x1tp-5xdl-Zt1Pad
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                6,88 GB
  Current LE             220
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol01
  VG Name                VolGroup00
  LV UUID                LA27jO-aQbW-jlSn-5JrP-Cp2T-K3pS-vw7BnP
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                1,00 GB
  Current LE             32
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1

[23:11:19 root at xxx ~ ]#
[23:11:44 root at xxx ~ ]# vgs
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  VG         #PV #LV #SN Attr   VSize   VFree
  VolGroup00   1   2   0 wz--n-   7,88G     0
  VolGroup01   2   1   0 wz-pn- 329,99G 80,00G
[23:11:59 root at xxx ~ ]# lvextend -l 100%VG /dev/mapper/VolGroup01-lvol0
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  Extending logical volume lvol0 to 329,99 GB
  Cannot update volume group VolGroup01 while physical volumes are missing.
[23:14:03 root at xxx ~ ]# pvs
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  PV             VG         Fmt  Attr PSize   PFree
  /dev/sda2      VolGroup00 lvm2 a-     7,88G     0
  /dev/sdc       VolGroup01 lvm2 a-    80,00G 80,00G
  unknown device VolGroup01 lvm2 a-   250,00G     0
[23:14:21 root at xxx ~ ]# vgs
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  VG         #PV #LV #SN Attr   VSize   VFree
  VolGroup00   1   2   0 wz--n-   7,88G     0
  VolGroup01   2   1   0 wz-pn- 329,99G 80,00G
[23:15:13 root at xxx ~ ]# vgreduce VolGroup01 /dev/sdc
  Couldn't find device with uuid 'qf0ApW-42u1-nlyq-2TTn-MIgB-3dT1-BNe3GF'.
  Cannot remove final metadata area on "/dev/sdc" from "VolGroup01"

i am searching help on linux-lvm mlist, now



	Maurizio