[linux-lvm] Re: Help! Upgrade 2.2.18 -> 2.4.4 killed a PV

[Heinz J. Mauelshagen]

On Tue, May 29, 2001 at 09:40:21PM +0200, Jens Benecke wrote:
> On Tue, May 29, 2001 at 09:11:28PM +0000, Heinz J. Mauelshagen wrote:
> > 
> > Jens,
> > you need to run pvcreate on the invalid PV before running vgcfgrestore.
> 
> I did so. 
> 
> Now I have a PV that is associated to an unknown VG, and vgcfgrestore says
> 
> 	vgcfgrestore -- size of physical volume /dev/hdc1 differs from backup
>  
> although 'vgcfgrestore -n data -ll' and 'pvdata -PP /dev/hdc1' show EXACTLY
> the same amount of extents (used/free/..), and GB. And hdc1 certainly
> didn't change in size.
> 
> Strange: BOTH vgcfgrestore and pvdata -PP know that the PVs belong to the
> VG "data", but vgscan doesn't find it, and pvscan says both belong to an
> unknown VG and I should run vgscan.

If pvdata still tells you, that the PV belongs to some VG it hasn't created
a new one, likely because your didn't use "pvcreate -ff".

Does "pvcreate -ff"/vgcfgrestore help it?

BTW: WRT to your hex dump; see my other answer.

> 
> 
> So, I am a little further but not yet there =;)
> 
> 
> Thanks for the help!
> 
> -- 
> Jens Benecke             /* Nobody will ever see this error message :-) */
>                             panic("Cannot initialize video hardware\n");
>                                   -- Linux 2.0.38,  arch/m68k/atari/atafb.c
> http://www.hitchhikers.de/ - Die kostenlose Mitfahrzentrale für ganz Europa
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-- 

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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