[linux-lvm] Help! VG corrupted?
Ben
kf4wbx at hamsnet.net
Mon Nov 26 21:10:02 UTC 2001
Sorry for the accidental repost :(
I will try to get a newer version of LVM installed this week and give
you the response from vgck.
BTW, is it safe for me to just use the 1.0.1rc4 utils and kernel on a VG
created with the 0.9 release?
Until then,
thanks for your advice.
-BAK
On Tue, 2001-11-20 at 05:36, Heinz J . Mauelshagen wrote:
>
> 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 at 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 at 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 at 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 at 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 at 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 at hamsnet.net
> >
> >
> > Thanks for any help!
> > -Ben K
> > kf4wbx at hamsnet.net
> >
> >
> >
> >
> >
> >
> >
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm at 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 at Sistina.com +49 2626 141200
> FAX 924446
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>
> _______________________________________________
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