[linux-lvm] vg gone after vgextend
AJ Lewis
lewis at sistina.com
Tue Jul 10 17:12:06 UTC 2001
On Tue, Jul 10, 2001 at 11:39:17AM -0500, Eli Criffield wrote:
> It didn't work :(
>
> when i ran
> ./uuid_fixer /dev/hda2 /dev/hda3 i got
> /dev/hda2 - pv_read{}: PV identifier invalid
are you *sure* that /dev/hda2 is the other PV? What happens when you run
'pvdata -U /dev/hda2'? You might also try recompiling the uuid_fixer
against the beta2 source, and running it again. It should work as is, but
that might be an issue.
> but if i run
> ./uuid_fixer /dev/hda3 i get
> Error: number of PVs passed in does not match number of PVs in /dev/hda3s
> VG
> 1 PVs where passed in and 2 where expected
>
> So it thinks /dev/hda2 is part of the vg but /dev/hda2 had no info on it
> saying that it is.
>
> oh btw im using LVM 0.9.1_beta2 as it came with kernel 2.4.5 and LVM
> tools 0.9.1_beta2.
>
> Now what?
>
> eli
>
> On Tue, Jul 10, 2001 at 11:06:56AM -0500, AJ Lewis wrote:
> > Goto ftp://ftp.sistina.com/pub/LVM/contrib and get
> > uuid_fixer-0.3-IOP10.tar.gz
> >
> > Read the README. Run it on your system, then run vgscan. It should fix
> > your problem. If not, let me know.
> >
> > On Tue, Jul 10, 2001 at 09:39:02AM -0500, Eli Criffield wrote:
> > > I had LVM up and working great, even on the / filesystem. I had a
> > > /dev/hda1 that was a 4 gig filesystem that i tared my distribution to and
> > > /dev/hda2 that use to be my / filesystem and /dev/hda3 that was my volume
> > > group. I resized /dev/hda1 down to around 30 megs and made /dev/hda2
> > > 4+gig. I made /dev/hda1 /boot and had a initrd to turn on LVM and boot to
> > > the / filesystem on /dev/rootvg/root_lv. That all worked fine.
> > >
> > > Until i added /dev/hda2 (now about 4gig) to the volumegroup rootvg. All
> > > looked ok when i went to reboot. On the reboot it died in the ramdisk when
> > > it ran vgscan.
> > > "vgscan -- no volume groups found"
> > >
> > > I was then stuck with a none bootable machine. I'll save you the long
> > > story about the trouble i had making some kind of rescue disk, but i
> > > finally got one to work off a cd i had a friend burn for me.
> > >
> > > Now when i run pvscan i get
> > > "pvscan -- inactive PV "/dev/hda3" is associated to an unknown VG (run
> > > vgscan)
> > > pvscan -- total: 14.4GB / in use 1 [14.4GB] / in no VG 0 [0]"
> > >
> > > it doesn't see /dev/hda2 that i added to the vg right before reboot, but
> > > thats not a problem because there was nothing on it yet anyway.
> > >
> > > pvscan -vv gives
> > >
> > > -- Physical volume ---
> > > PV Name /dev/hda3
> > > VG Name rootvg
> > > PV Size 14.4 GB / NOT usable 3.48 MB [LVM: 135KB]
> > > PV# 1
> > > PV Status available
> > > Allocatable yes
> > > CurLV 6
> > > P ESize (KByte) 4096
> > > Total PE 3685
> > > Free PE 1261
> > > Allocated PE 2424
> > > PV UUID elhLo-Mw5J-8qaE-gN2D-zEYo-Woqh-qH7H5a
> > > System Id eli.custom-edge.com993738446
> > >
> > >
> > > from what i can tell from the archives to do a vgcfgrestore is the next
> > > logical thing but it doesn't work for me
> > >
> > > vgcfgrestore -n rootvg /dev/hda3
> > > vgcfgrestore -- "/etc/lvmconf/rootvg.conf" doesn't exist
> > > vgcfgrestore -- a backup for volume group rootvg is not available
> > >
> > > which makes since because i booted off a rescue disk in a ram disk.
> > >
> > > vgscan still gives
> > > vgscan -- no volume groups found
> > >
> > > i did find this answer in the archives for a similar problem:
> > >
> > > > You need to edit the disk signatures and for each PV, insert all the
> > > > _other_ PV signatures in the right place.
> > >
> > > but no explanation on how to do that?
> > >
> > > Is that what i should be doing? If so how do i do that? If not what can i
> > > do to save this box?
> > >
> > > thanks a ton it will save a lot of hassle if i don't have to reinstall.
> > >
> > > eli
> >
> >
> >
> > --
> > AJ Lewis
> > Sistina Software Inc. Voice: 612-638-0500
> > 1313 5th St SE, Suite 111 Fax: 612-638-0500
> > Minneapolis, MN 55414 E-Mail: lewis at sistina.com
> > http://www.sistina.com
> >
> > Current GPG fingerprint = 3B5F 6011 5216 76A5 2F6B 52A0 941E 1261 0029 2648
> > Get my key at: http://www.sistina.com/~lewis/gpgkey
> > (Unfortunately, the PKS-type keyservers do not work with multiple sub-keys)
> >
> > -----Begin Obligatory Humorous Quote----------------------------------------
> > Hey! It compiles! Ship it!
> > -----End Obligatory Humorous Quote------------------------------------------
>
>
--
AJ Lewis
Sistina Software Inc. Voice: 612-638-0500
1313 5th St SE, Suite 111 Fax: 612-638-0500
Minneapolis, MN 55414 E-Mail: lewis at sistina.com
http://www.sistina.com
Current GPG fingerprint = 3B5F 6011 5216 76A5 2F6B 52A0 941E 1261 0029 2648
Get my key at: http://www.sistina.com/~lewis/gpgkey
(Unfortunately, the PKS-type keyservers do not work with multiple sub-keys)
-----Begin Obligatory Humorous Quote----------------------------------------
Computers make very fast, very accurate mistakes.
-----End Obligatory Humorous Quote------------------------------------------
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