[linux-lvm] HELP: vgscan segfaults

[Heinz J . Mauelshagen]

On Wed, Jan 29, 2003 at 04:09:58PM +0000, Patrick Caulfield wrote:
> On Wed, Jan 29, 2003 at 04:59:36PM +0100, Peter Lohmann wrote:
> > > 
> > > If your metadata backups are up-to-date then "vgchange -ay" should activate the
> > > volumes regardless. Something must have changed, programs don't just work one
> > > day and segv the next without good reason.
> > 
> > I know... but still:
> > 
> > --> vgchange -ay myvg
> > vgchange -- volume group "myvg" does not exist
> > 
> > Same with vgchange -ay
> > 
> > :-(
> 
> Looks like the segfaulting vgscan started to write the metadata backups. See of
> you can find valid ones in /etc/lvmtab and restore them using vgcfgrestore.
> 
> OR it might be as easy as creating a new /etc/lvmtab with "myvg\0" in it and
> retrying vgchange.

...plus "mkdir /etc/lvmtab.d;cp /etc/lvmconf/myvg.conf /etc/lvmtab.d/myvg"
before the "vgchange -ay".

Additionally you need to change the LVM config (i.e. by running
"lvchange -pr .." or something) so that the ondisk metadata gets written
back to the PVs.

> -- 
> 
> patrick
> 
> 
> _______________________________________________
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

-- 

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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