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Re: [linux-lvm] vg gone after vgextend



It didn't work :(

when i ran 
./uuid_fixer /dev/hda2 /dev/hda3    i got
/dev/hda2 - pv_read{}: PV identifier invalid

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 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------------------------------------------


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