From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Heinz J . Mauelshagen" Subject: Re: [linux-lvm] restoring volume group from file Message-ID: <20030425112124.B16006@sistina.com> References: <20030424163942.GH12350@mit.edu> Mime-Version: 1.0 In-Reply-To: <20030424163942.GH12350@mit.edu>; from jwa@mit.edu on Thu, Apr 24, 2003 at 12:39:42PM -0400 Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Fri Apr 25 04:27:02 2003 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@sistina.com James, sounds like you had a problem with your LVs before you copied already, which I assume was the reason to copy hde5 and run vgcfgrestore. What does vgck (metadata checker) display ? Maybe you have better luck with an older metadata backup from /etc/lvmconf ? On Thu, Apr 24, 2003 at 12:39:42PM -0400, James W Anderson wrote: > Hi, > > I recently made a copy of an lvm partition to a file, using dd: > > dd if=/dev/hde5 of=lvm-file bs=... > > I would now like to mount this file, which contains a single volume > group, on a different machine. Here is what I have done so far: > > 1) create a loopback device for the file > > # losetup /dev/loop0 lvm-file > > 2) pvscan, detects the volume group > > # pvscan > pvscan -- reading all physical volumes (this may take a while...) > pvscan -- inactive PV "/dev/loop0" of VG "vg00" [23.45 GB / 3.20 GB free] > pvscan -- total: 1 [23.46 GB] / in use: 1 [23.46 GB] / in no VG: 0 [0] > > 3) Now, when I try to do vgcfgrestore, I get the following error: > > # vgcfgrestore -n vg00 -f vg00.conf -o /dev/hde5 /dev/loop0 > vgcfgrestore -- size of physical volume /dev/loop0 differs from backup > > > I tried passing the -i option to tell it to ignore the size > difference, and then it did create the volume group, but all of the > logical volumes are unusable---e2fsck cannot find the superblocks on > the filesystems. > > Does anyone have any suggestions as to what I might try to get this to > work? Any help would be tremendously appreciated. > > Many thanks, > James > > > _______________________________________________ > 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/ -- 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@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-