[linux-lvm] vgcfgbackup problems

[Andreas Dilger]

Richard writes:
>         Hans Engren helped me fix my previous problem, so now I can at least
> mount the LVM (vgscan still ends up disableing it and I have to re-use
> vgcfgrestore to fix the problem). Once I got the LVM backup i thought i'd
> use vgcfgbackup, however here I hit a problem:
> 
> milita:~# vgcfgbackup
> vgcfgbackup -- ERROR: volume group "media" has an invalid number of physical
> volumes
> vgcfgbackup -- ERROR "vg_cfgbackup(): vg_check_exist" backing up volume
> group "media"
> 
>         Any ideas ? the software is:
> Logical Volume Manager 0.9
> Heinz Mauelshagen, Sistina Software  13/11/2000  (IOP 10)
> 
>         installed from lvm-0.9-2 via debian apt-get from sistina.com
> 
>         Also is it possible to fix the lvm so that vgscan does not destroy
> the volume group config ? (I think thats what it's doing).

You need newer tools - they fix a problem with vgcfgrestore (and the
rest of the tools) missing UUIDs from the disk.  Once you have the
new tools, vgcfgrestore should do the right thing.

Cheers, Andreas
-- 
Andreas Dilger  \ "If a man ate a pound of pasta and a pound of antipasto,
                 \  would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/               -- Dogbert