From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Heinz J . Mauelshagen" Subject: Re: [linux-lvm] Help! VG corrupted? Message-ID: <20011120113607.A18529@sistina.com> References: <1006197162.28796.26.camel@outback.key> Mime-Version: 1.0 In-Reply-To: <1006197162.28796.26.camel@outback.key>; from kf4wbx@hamsnet.net on Mon, Nov 19, 2001 at 02:12:31PM -0500 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: Tue Nov 20 04:41:02 2001 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@sistina.com Ben, what does vgck(8) tell you about the health of your LVM on disk metadata? BTW: it is recommended that you upgrade to LVM 1.0.1 On Mon, Nov 19, 2001 at 02:12:31PM -0500, Ben wrote: > Hello, > > I am running Mandrake 8.1 which installs Linux LVM 0.9. I've read posts > that mention that 0.9 is "bad for your health." While I'm not totally > sure why or how, it seems to be the case for me as well. > > I installed the OS and ran find with one IDE HD partition dedicated > (/dev/hda9, one VG on one PV) to LVM and two LV's (/usr and /var). > Yesterday, I added another partition (/dev/hda7) and added its PEs to > the VG. I thhen added the newly added PE's to the /usr LV. Everything > was great. Then I rebooted. Upon reboot, I got: > [root@cray]# vgscan -v > vgscan -- removing "/etc/lvmtab" and "/etc/lvmtab.d" > vgscan -- reading all physical volumes (this may take a while...) > vgscan -- scanning for all active volume group(s) first > vgscan -- found inactive volume group "vg0" > vgscan -- reading data of volume group "vg0" from physical volume(s) > vgscan -- ERROR "vg_read_with_pv_and_lv(): allocated LE of LV" can't get > data of volume group "vg0" from physical volume(s) > vgscan -- ERROR "vg_read_with_pv_and_lv(): allocated LE of LV" creating > "/etc/lvmtab" and "/etc/lvmtab.d" > [root@cray]# > > I then tried the vgcfgrestore, which ran sucessfully. Now I get vgscan > reporting no volumes. Found a reference on how to fix this (using dd > and reading uuids from pv's, then writing them back to the disk). That > procedure brings me back to the starting point. > > It seems the data is there because pvscan reports: > > [root@cray]# pvscan > pvscan -- reading all physical volumes (this may take a while...) > pvscan -- inactive PV "/dev/ide0/host0/bus0/target0/lun0/part7" is > associated to an unknown VG (run vgscan) > pvscan -- inactive PV "/dev/ide0/host0/bus0/target0/lun0/part9" is > associated to an unknown VG (run vgscan) > pvscan -- total 2 [12.02 GB] / in use: 2 [12.02 GB] / in no VG: 0 [0] > [root@cray]# > > One more note of interest: My partitions on disk are out of order. > hda7 occupies cylinders 2848-3736 and hda9 occupies cylinders 2168-2847. > > [root@cray]# fdisk /dev/hda > Command (m for help): p > > Disk /dev/hda: 255 heads, 63 sectors, 3763 cylinders > Units = cylinders of 16065 * 512 bytes > > Device Boot Start End Blocks Id System > /dev/hda1 * 1 934 7502323+ b Win95 FAT32 > /dev/hda2 935 3736 22507065 5 Extended > /dev/hda5 * 935 1874 7550518+ 7 HPFS/NTFS > /dev/hda6 1875 2135 2096451 83 Linux > /dev/hda7 2848 3736 7140861 8e Linux LVM > /dev/hda8 2136 2167 256977 82 Linux swap > /dev/hda9 2168 2847 5462037 8e Linux LVM > > Partition table entries are not in disk order > > > > > So, can anyone help me? Would recreating the VG and adding the PV's to > it restore access to my data? Or would I just blow it all away in the > attempt? > > Please send responses directly to kf4wbx@hamsnet.net > > > Thanks for any help! > -Ben K > kf4wbx@hamsnet.net > > > > > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html 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 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-