LVM trouble?

Dan Stromberg strombrg at dcs.nac.uci.edu
Mon Dec 13 03:21:51 UTC 2004


On Mon, 2004-12-13 at 03:58 +0100, Alexander Dalloz wrote:
> Am Mo, den 13.12.2004 schrieb Dan Stromberg um 3:44:
> 
> > I have an FC3 system, that was happy, but is now unhappy.  This may be
> > related to someone, who shall remain nameless, having shut off the power
> > on it without doing an orderly shutdown.  Then again, maybe it was
> > because of a "yum -y update", because I put off rebooting for a while
> > after that.
> > 
> > Anyway, now when it tries to boot, I see:
> > 
> > Red Hat nash version 4.1.18 starting
> >   Reading all physical volumes.  This may take a while...
> >   Found volume group "VolGroup00" using metadata type lvm2
> >   2 logical volume(s) in volume group "VolGroup00" now active
> 
> Booting without boot parameter "quiet" shows more?
> 
> > ...and that's it.  I've left it there for over and hour, and it never
> > gets past that.
> > 
> > I booted off of an FC3 rescue cd, and found that I could mount the /boot
> > partition, but I cannot mount the / partition.  I ran various lvm
> > commands that identified two lvm volumes on the system.
> > fsck'ing /dev/hda2 (which is /) is getting me no where though - it just
> > says "invalid argument".
> 
> No, you will have to check the filesystem of the LVM volume. It is
> correct to boot with CD1 into rescue mode (or the rescue CD), then let
> all what it finds be mounted only read-only. You have this choice. Then
> fsck the LVM.
> 
> Alexander

I was kind of thinking along those lines too, but when I boot up into
the rescue CD and let it try to find my fedora install, it gets really
confused.  More specifically, it says:

Searching for Fedora Core installations...

	0%		install exited abnormally -- received signal 15
				kernel panic - not syncing: Out of memory and no killable processes


Additional information:

If I remove "quiet" and add "single" to my boot options, I get:

EXT3-fs: INFO: recovery required on readonly filesystem.
EXT3-fs: write access will be enabled during recovery.
kjournald starting.  Commit interval 5 seconds
EXT3-fs: dm-0: orphan cleanup on readonly fs

...and there it hangs.


Also, I ran memtest86 on the box for a while (a little over an hour),
and found no errors.

Thanks!

> 
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