[linux-lvm] Re: Fedora Core 3 system with lvm2 won't boot
Dan Stromberg
strombrg at dcs.nac.uci.edu
Mon Dec 13 23:53:58 UTC 2004
Questions:
1) Anyone seen this before? Redhat or otherwise?
2) Anyone know how I can boot from a rescue CD, and get to a point where
I can attempt to fsck the filesystem, or at least see where in bringing
up LVM2 the system is getting confused?
3) Should I just write off the data on that filesystem as a loss and
start over? I had/have a bunch of financial records, an opensource app
I was developing, a pretty detailed html to palmdoc conversion setup,
and on in the filesystem.
Is this stuff is in a FAQ somewhere, please just tell me what to google
for. I've google'd around already, and found essentially nothing.
Yes, I know, I should keep backups.
Thanks!
On Mon, 2004-12-13 at 11:44 -0800, Dan Stromberg wrote:
>
> Copied from https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=142737
>
> Description of problem:
> System won't boot
>
> Version-Release number of selected component (if applicable):
>
>
> How reproducible:
> Probably difficult, but easy on my machine. :)
>
> Steps to Reproduce:
> 1. Shut down FC3 without sync'ing disks
> 2. Try to boot
> 3. It doesn't.
>
> Actual results:
> System won't boot
>
> Expected results:
> System should boot.
>
> Additional info:
> 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
>
>
> ...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".
>
> I tried firing up device mapper and udev in order to get
> a /dev/VolGroup00 directory, but it just wouldn't do it - at least, not
> with the things I tried. I could mkdir the directory, but then "lvm
> vgmknodes" would remove it.
>
> What do I need to do to get past this? There's stuff in the filesystem
> I want quite a bit. :-S
>
> I tried all 3 FC3 kernels I have on the system, but none would come up,
> getting stuck at that same point.
>
> 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
>
>
> 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.
>
>
>
>
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