[linux-lvm] Lost Disk, System Recovery

[linux-lvm] Lost Disk, System Recovery

[Andrew Fabian]

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I'm having a problem that sounds similar to the one described in http://lists.sistina.com/pipermail/linux-lvm/2003-February/013420.html.  I lost one disk out of a four-disk VG.  I'm 99% sure the disk was empty at the time.  Now I can't get vgscan to recognize the VG.  pvscan displays:

pvscan -- inactive PV "/dev/hdg1" is associated to unknown VG "vg" (run vgscan)
pvscan -- inactive PV "/dev/hdh1" is associated to unknown VG "vg" (run vgscan)
pvscan -- inactive PV "/dev/hdc2" is associated to unknown VG "vg" (run vgscan)
pvscan -- total: 3 [69.92 GB] / in use: 3 [69.92 GB] / in no VG: 0 [0]

and vgscan displays:

vgscan -- ERROR "vg_read_with_pv_and_lv(): current PV" can't get data of volume group "vg" from physical volume(s)

I tried running vgcfgrestore -f /mnt/etc/lvmconf/vg.conf /dev/hdg1 (I'm running knoppix off of a CD at the moment, with my root partition mounted on /mnt) and got the response:

vgcfgrestore -- this is a backup of volume group "vg"
vgcfgrestore -- physical volume "/dev/hdg1" doesn't belong to volume group "vg"

Same result for each other disk.  Any ideas how to get the three remaining disks up and running?  Thanks.

Andrew Fabian

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Re: [linux-lvm] Lost Disk, System Recovery

[Heinz J . Mauelshagen]

Andrew,

see my mail (Subject: PV and disk recovery) dated May 27 on this list.

On Wed, Jun 18, 2003 at 07:47:49PM -0400, Andrew Fabian wrote:
> I'm having a problem that sounds similar to the one described in http://lists.sistina.com/pipermail/linux-lvm/2003-February/013420.html.  I lost one disk out of a four-disk VG.  I'm 99% sure the disk was empty at the time.  Now I can't get vgscan to recognize the VG.  pvscan displays:
> 
> pvscan -- inactive PV "/dev/hdg1" is associated to unknown VG "vg" (run vgscan)
> pvscan -- inactive PV "/dev/hdh1" is associated to unknown VG "vg" (run vgscan)
> pvscan -- inactive PV "/dev/hdc2" is associated to unknown VG "vg" (run vgscan)
> pvscan -- total: 3 [69.92 GB] / in use: 3 [69.92 GB] / in no VG: 0 [0]
> 
> and vgscan displays:
> 
> vgscan -- ERROR "vg_read_with_pv_and_lv(): current PV" can't get data of volume group "vg" from physical volume(s)
> 
> I tried running vgcfgrestore -f /mnt/etc/lvmconf/vg.conf /dev/hdg1 (I'm running knoppix off of a CD at the moment, with my root partition mounted on /mnt) and got the response:
> 
> vgcfgrestore -- this is a backup of volume group "vg"
> vgcfgrestore -- physical volume "/dev/hdg1" doesn't belong to volume group "vg"
> 
> Same result for each other disk.  Any ideas how to get the three remaining disks up and running?  Thanks.
> 
> Andrew Fabian
-- 

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@Sistina.com                           +49 2626 141200
                                                       FAX 924446
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