[linux-lvm] LVM ate my data!

[Heinz J . Mauelshagen]

On Mon, Feb 25, 2002 at 08:18:10PM +0000, wbh wrote:
> Wahey - I got my data back, thankyou!
> 
> > pvcreate -yff /dev/hda[34]
> > vgcfgrestore -n YourVGName /dev/hda3
> > vgcfgrestore -n YourVGName /dev/hda4
> > vgscan
> > vgchange -ay
> 
> What I did, from .bash_history
> rm -rf /etc/lvmtab /etc/lvmtab.d /dev/pvg # I had backed up already.
> ~/LVM/1.0.3/tools/vgscan
> ~/LVM/1.0.3/pvcreate -yff /dev/hda[34]
> vgcfgrestore -n pvg /dev/hda3
> vgcfgrestore -n pvg /dev/hda4
> ~/uuid_fixer/uuid_fixer /dev/hda3 /dev/hda4
> ~/LVM/1.0.3/tools/vgscan
> ~/LVM/1.0.3/tools/vgchange -ay
> mount -treiserfs /dev/pvg/1 /mnt/dat
> 
> Don't know how much of that was needed...

All of that probably.
uuid_fixer covers a bug in older vgcfgrestore versions which prevented correct
restores of the PV UUID tables to all PVs.

> 
> I had been playing with snapshots recently, but they didn't seem to work
> with my ancient (2.4.3) kernel. Could that have been the cause?

In case you haven't patched in the newest LVM driver code following the 
instrcutions in PATCHES/README contained in the LVM distro -> yes.

> 
> Thanks!
>     Bill
> 
> 
> _______________________________________________
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> linux-lvm at sistina.com
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> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen at Sistina.com                           +49 2626 141200
                                                       FAX 924446
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