On Tue, 25 Dec 2012 15:56:38 +0000, Jaap Winius wrote:
> # pvscan -u
> Incorrect metadata area header checksum PV /dev/md2 with UUID
> 0iEU34-XNSd-vNpu-G3uW-2F1v-wEy9-Bw199N VG
> volgrp3 lvm2 [931.51 GiB / 11.51 GiB free]
> PV /dev/md0 with UUID Lb3KzG-9tZM-5MbQ-1DUa-5ErW-DYf1-NqvMJW VG
> volgrp1 lvm2 [697.70 GiB / 5.44 GiB free]
> PV /dev/md1 with UUID uWDdXr-8fRw-aJDG-SzdQ-
> yeIl-6dsv-28vJYs lvm2 [697.70 GiB]
> Total: 3 [2.27 TiB] / in use: 2 [1.59 TiB] / in no VG: 1 [697.70 GiB]
>
> That last UUID is still associated with a bunch of volgrp2 objects in my
> current LVM configuration (the old LVM volume on /dev/md1), even though
> pvscan currently doesn't recognize it as such.
All that was needed at this point involved some LVM recovery procedures.
I did it like this:
# pvcreate --uuid uWDdXr-8fRw-aJDG-SzdQ-yeIl-6dsv-28vJYs --restorefile /
etc/lvm/archive/volgrp2_00007.vg /dev/md1
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Incorrect metadata area header checksum
Physical volume "/dev/md1" successfully created
This restored my original LVM physical volume. However, the original
volume group was missing. To fix that I created one with the same name on
that same physical device:
# vgcreate -v volgrp2 /dev/md1
Wiping cache of LVM-capable devices
Wiping cache of LVM-capable devices
Adding physical volume '/dev/md1' to volume group 'volgrp2'
Archiving volume group "volgrp2" metadata (seqno 0).
Creating volume group backup "/etc/lvm/backup/volgrp2" (seqno 1).
Volume group "volgrp2" successfully created
Okay, but at this point the problem was that my logical volumes had yet
to be restored
# vgcfgrestore -f /u21/backup/bitis/etc/2012-12-24@01:02:12/lvm/backup/
volgrp2 volgrp2
Restored volume group volgrp2
This restored the volume group descriptor area from an older automatic
backup file for this volume group. It worked: my old vicepb volume was
back! Still, I couldn't mount it until I did this:
~# vgchange -ay
3 logical volume(s) in volume group "volgrp3" now active
1 logical volume(s) in volume group "volgrp2" now active
6 logical volume(s) in volume group "volgrp1" now active
Finally, this allowed me to mount my volume and make all my data
available once again.
Thanks Phil!
Chritmas cheers,
Jaap
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