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Re: [linux-lvm] Lost a full volume group!


somthing must have corrupted your LVM metadata on /dev/hda4.
Can't be LVM because there's no mention of any changes to the PV in /dev/hda4.

Don't try to change your VGs before we figured out what went wrong!

Did you run vgck and what did it tell you about your VGs ?
Does pvscan still show _all_ you PVs ?

On Wed, Mar 12, 2003 at 06:01:12PM +0100, Rodrigo de Salazar wrote:
> Hi there, I hope someone can help me with this. I had a VG with a single
> PV (/dev/hda4), with several LVs in it (including the ones I use as /var, /var/www and
> /tmp). I changed /etc/fstab, after resizing and adding a 
> LV to the other VG I have (on another hdd). Reboot, and I find out that
> I had not written fstab correctly, no big deal, just correct it in
> single user mode and reboot again. Weird thing comes now: the first VG
> (called vg1) has dissapeared. The /dev/vg1 directory and everything
> inside have just vanished, vgscan says:
> 	vgscan -- found inactive volume group "vg1"
> and any attempt to vgchange -a y /dev/vg1 results in:
> 	vgchange -- ERROR "Bad address" activating volume group "vg1"
> So, is there a way to recover this VG and all the LVs in it, or will I
> have to restore the system by another method (I lost /var...)?
> Also, is this very unusual, or LVM is just not so stable?
> I am running Debian GNU/Linux, kernel 2.4.20, and lvm 1.0.4.
> Thanks in advance.
> _______________________________________________
> linux-lvm mailing list
> linux-lvm sistina com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/


Heinz    -- The LVM Guy --

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


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

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