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Re: [linux-lvm] only found 0 of 5120 LEs for LV

On Nov 30, 2001  13:29 -0900, Nay, Shawn wrote:
> Well the pvdata -E output for my drives was empty, no LV's listed.

Well, it sounds like the same bug that Lars had - LV table and part
of PE table were zero'd out.  In his case, there was a backup LV table
that we could use, and rebuilding the PE table was obvious given the

Have you tried vgcfgrestore yet?  Do you get anything useful from
"pvdata -avP <dev>"  on each device?

> This is kind of disappointing.  I have been using LVM under AIX for some
> time and am familiar with the concepts and it's not that complicated.

Well, I was a long time AIX LVM user, and I agree that it was bullet-proof.
The Linux LVM code isn't there yet.  Always have backups.

> -----Original Message-----
> > From: Andreas Dilger [mailto:adilger turbolabs com]
> > Send the output of "pvdata -E /dev/whatever" for all the PVs, and we can
> > see if your LV even exists anymore.  If it is overwritten, I'm wondering
> > if this is the same bug as hit Lars.  Maybe related to the recent change
> > to zero out unused parts of the VGDA.

Cheers, Andreas
Andreas Dilger

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