[linux-lvm] help needed
narsimha.kulkarni at bt.com
narsimha.kulkarni at bt.com
Mon Jun 2 10:19:02 UTC 2003
no there is no backup of the metadata.
otherwise i could have restored it using vgcfgrestore and all.
that is the problem basically.....
no backup and want to either isolate the physical volume from the inactive
volume group or restore and then delete the volume group....
is there any way to delete the volume group when there is no metadata
-----Original Message-----
From: Heinz J . Mauelshagen [mailto:mauelshagen at sistina.com]
Sent: 02 June 2003 16:03
To: linux-lvm at sistina.com
Subject: Re: [linux-lvm] help needed
On Mon, Jun 02, 2003 at 02:04:25PM +0100, narsimha.kulkarni at bt.com wrote:
> but Heinz is there anyway I can restore a vol group whose .conf file has
> been deleted
Heh! ;)
You don't want to tell me that the metadata backup files weren't included
in your regular backup ?
>
> -----Original Message-----
> From: Heinz J . Mauelshagen [mailto:mauelshagen at sistina.com]
> Sent: 02 June 2003 10:34
> To: linux-lvm at sistina.com
> Subject: Re: [linux-lvm] help needed
>
>
> On Fri, May 30, 2003 at 09:42:00AM +0530, Sameer Halgatti wrote:
> > hi narsimha,
> > If u want to completely remove ur PV (i.e. if u want to lose ur data)
then
> > there is a very simple way to get rid of this problem. Just do
> following....
> > dd of=/dev/hda3 ......hda3 becuse ur PV resides on that
> > <enter approx 50 chars>
> > <press cntrl+d>
> >
>
> This avoids that you type something LVM might consider to be valid
metadata
> ;)
>
> dd if=/dev/zero of=/dev/hda3 bs=512
>
> Regards,
> Heinz -- The LVM Guy --
>
>
> > Of course it not the recommend solution, but it will solve ur problem
:-)
> > Actually ur VGDA data on the disk may be corrupted, that's why u r
getting
> > this error message.
> > When u create a PV/VG, some data is written on the disk (on some initial
> > disk blocks). So if u erase that by doing 'dd', then u can create fresh
> > PV/VG using that disk.
> >
> >
> > ----- Original Message -----
> > From: <narsimha.kulkarni at bt.com>
> > To: <linux-lvm at sistina.com>
> > Sent: Thursday, May 29, 2003 8:03 PM
> > Subject: [linux-lvm] help needed
> >
> >
> > > hi following is the log of the commands....
> > > i want to remove the volume group completely....
> > > or i want to restore it....
> > >
> > > how do i do it
> > >
> > > vgscan -- reading all physical volumes (this may take a while...)
> > > vgscan -- found active volume group "helena_vg"
> > > vgscan -- ERROR "lv_read_all_lv(): number of LV" can't get data of
> volume
> > > group)
> > > vgscan -- found active volume group "volg"
> > > vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
> > > vgscan -- WARNING: This program does not do a VGDA backup of your
volume
> > > groups
> > >
> > > vgremove -- ERROR: can't remove active volume group "helena_vg"
> > >
> > >
> > > vgcfgrestore -- locking logical volume manager
> > > vgcfgrestore -- restoring volume group "helena_vg" from
> > > "/etc/lvmconf/helena_vg.conf"
> > > vgcfgrestore -- checking existence of "/etc/lvmconf/helena_vg.conf"
> > > vgcfgrestore -- "/etc/lvmconf/helena_vg.conf" doesn't exist
> > > vgcfgrestore -- a backup for volume group helena_vg is not available
> > >
> > >
> > > pvscan -- reading all physical volumes (this may take a while...)
> > > pvscan -- inactive PV "/dev/hda3" is associated to an unknown VG (run
> > > vgscan)
> > > pvscan -- ACTIVE PV "/dev/hdb1" of VG "volg" [31.48 GB / 31.48
GB
> > > free]
> > > pvscan -- total: 2 [39.08 GB] / in use: 2 [39.08 GB] / in no VG: 0 [0]
> > >
> > > pvchange -- locking logical volume manager
> > > pvchange -- reading physical volume data /dev/hda3 from disk
> > > pvchange -- checking physical volume "/dev/hda3" consistency
> > > pvchange -- finding volume group of physical volume "/dev/hda3"
> > > pvchange -- unable to find volume group of "/dev/hda3" (VG not
active?)
> > > pvchange -- unlocking logical volume manager
> > > pvchange -- 0 physical volumes changed / 0 physical volumes already
o.k.
> > >
> > > _______________________________________________
> > > linux-lvm mailing list
> > > linux-lvm at sistina.com
> > > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> >
> >
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm at sistina.com
> > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
> *** 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
> Germany
> Mauelshagen at Sistina.com +49 2626 141200
> FAX 924446
>
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> =-
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> 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 ***
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
=-
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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