AW: [linux-lvm] vgscan can't find vg after system crash
Jahns Volker Dr.
Volker.Jahns at dpma.de
Tue Jul 17 14:05:30 UTC 2001
huh, that worked!
Howto to backup the VGDA after upgrade? Is there any recipe?
Could you direct me to any relevant url, please.
> -----Ursprüngliche Nachricht-----
> Von: Heinz J. Mauelshagen [SMTP:Mauelshagen at sistina.com]
> Gesendet am: Dienstag, 17. Juli 2001 15:26
> An: linux-lvm at sistina.com
> Betreff: Re: [linux-lvm] vgscan can't find vg after system crash
>
> On Tue, Jul 17, 2001 at 02:49:43PM +0200, Jahns Volker Dr. wrote:
> > vgscan will not find any volume groups after system crash, where one pv
> was
> > lost.
> >
> >
> > pvdisplay reports
> > --- Physical volume ---
> > PV Name /dev/hdb3
> > VG Name vg01
> > PV Size 5.86 GB / NOT usable 264 KB [LVM: 235 KB]
> > PV# 1
> > PV Status NOT available
> > Allocatable yes (but full)
> > Cur LV 1
> > PE Size (KByte) 4096
> > Total PE 1500
> > Free PE 0
> > Allocated PE 1500
> > PV UUID /dev/h-db3
> >
> > Other than vgscan I have tried to restore by using the vgcfgrestore tool
> >
> > cp /etc/lvmconf/vg01.conf /etc/lvmtab.d/vg01
> > echo -ne 'vg01\0' >/etc/lvmtab
> >
> > vgcfgrestore -n vg01 exits w/ error message:
> >
> > vgcfgrestore -- ERROR: different structure size stored in
> > "/etc/lvmconf/vg01.conf" than expected in file vg_cfgrestore.c [line
> 120]
> > vgcfgrestore -- ERROR "vg_cfgrestore(): read" restoring volume group
> "vg01"
>
> You seem to have upgraded the LVM software and didn't take metadata
> backups
> afterwards. Sorry, in order to use that old backup, you need to downgrade
> the software again :-(
>
>
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