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Re: [linux-lvm] Lost free PV -> error reading VG


never "rm -r /etc/lvm*" !!!

o vgscan deletes and creates /etc/lvmtab and volume group 
  backup files in /etc/lvmtab.d/ new

o /etc/lvmconf/ archive files get updated by _any_ configuration changing
  command or by explicitely running vgcfgbackup

Of course you might want to remove certain archive files from /etc/lvmconf/
after many configuration changes because archives of removed VGs don't get
deleted automatically for obvious reasons.

But yuu *never* *ever* want to do that without having an actual backup
of /etc/lvmconf/*.

FYI: LVM2 keeps metadata backups and archives uin different locations
     (see /etc/lvm/lvm.conf there)

Heinz    -- The LVM Guy --

On Thu, Feb 19, 2004 at 06:52:51PM +0100, Christian Reiss wrote:
> Heinz Mauelshagen wrote:
> >
> >/me wonders how often we mentioned to take backups of /etc/lvmconf/* yet 
> >:->
> >
> From a Users point of view:
> If you run vgscan, and it even mentions something about
> a) REBuilding /etc/lvmwhatever
> and
> b) it fails for *any* reason,
> people, me included, delete /etc/lvm* to start "clean",
> and give vgscan the opportunity to start fresh, without
> any "corrupted" data.
> I dont know how often I nuked the backups, even after i
> knew that deleting /etc/lvm* is not a good idea. Its like
> a reflex.
> -Christian
> -- 
> Christian Reiss <email demonlord de>
> demonserver.de
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> Public Key can be obtained here: http://www.demonlord.de/pgp.txt
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*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***


Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
                                                  56242 Marienrachdorf
Mauelshagen RedHat com                            +49 2626 141200
                                                       FAX 924446

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