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Re: [linux-lvm] recover lost VG (VG data differs between PVs)



On Mon, Nov 15, 2004 at 02:15:10PM +0000, Alasdair G Kergon wrote:
> > Just a question out of curiosity, what does "VG data differs..."
> > mean,
>
> LVM2 checks its metadata is consistent on disk every time you access a
> VG.   LVM1 caches its metadata and has less-stringent checks.
> 
> That message means it found an anomaly that it couldn't fix - the
> metadata on 3 of your devices formed a consistent VG after you
> restored the backup, but the metadata on the 4th device hdf3 still
> said it was part of the VG.
> 
> Filtering tells LVM2 to ignore hdf3 completely, then pvremove hdf3
> wipes LVM metadata from it.

Nice system, this LVM. Easy to use, very stable, fool proof. I love it!

Thanks a lot for the clean explanation and the help with getting my VG
back online. You don't know how happy I am with the positive outcome of
this accident :-)

cheers!
Jelle


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