issue with fstab and fsck after upgrade
Chris Dawson
xrdawson at gmail.com
Sun Dec 2 12:48:40 UTC 2007
Matt,
Thanks, this is great! I have high hopes I can fix this now.
Chris
On Nov 27, 2007 11:29 PM, Matt Morgan <minxmertzmomo at gmail.com> wrote:
> On Nov 21, 2007 7:00 PM, Chris Dawson <xrdawson at gmail.com> wrote:
> > I think this is an issue with my upgrade to Gutsy, but I am not sure.
> >
> > Whenever I boot the system drops me into a subshell and then tells me
> > I need to fsck. I've booted using the live CD, then installed lvm2
> > and run the series of commands to mount as an lvm partition, and then
> > run fsck and there were no errors. If I enter "halt" the subshell
> > exits and things are generally normal, except that I always have to
> > run "sudo hostname arrail" to reset the hostname, then log out and log
> > back in.
> >
> > I suspect this is an issue with my /etc/fstab file as it does not look
> > the same as other machines I have that also have lvm partitions. One
> > note: I had /dev/sda2 mapped to a USB disk (ipod, commented out
> > below), and I wonder if that confused the upgrade system as the
> > machine thinks my /dev/hda is /dev/sda, and sda2 is my main disk
> > partition. Perhaps it wanted to create a UUID mapping, but saw a
> > conflict between those disks and just aborted leaving me with a weird
> > fstab?
> >
> > This is my fstab:
> >
> > cdawson at arrail:~$ cat /etc/fstab
> > # /etc/fstab: static file system information.
> > #
> > # <file system> <mount point> <type> <options> <dump> <pass>
> > proc /proc proc defaults 0 0
> > /dev/mapper/vg-root / ext3 defaults,errors=remount-ro 0
> 1
> > # /dev/hda1 -- converted during upgrade to edgy
> > UUID=fbc170cc-bf5e-4aa6-b77a-a3d129715077 /boot ext3 defaults 0 2
> > /dev/mapper/vg-swap_1 none swap sw 0 0
> > /dev/hdc /media/cdrom0 udf,iso9660 user,noauto 0 0
> > /dev/fd0 /media/floppy0 auto rw,user,noauto 0 0
> > #/dev/sda2 /media/ipod auto rw,user,noauto 0 0
> > 192.168.2.8:/mnt/windows-box-fs /mnt/windows-box-fs nfs noauto 0 0
> >
> > Should it not be that I have two drives with UUID's? How does the
> > system know that something is corrupted on boot if an lvm partition is
> > not recognized at that point in the boot process?
> >
> > Here is what I get when I run df:
> >
> > cdawson at arrail:~$ df
> > Filesystem 1K-blocks Used Available Use% Mounted on
> > /dev/mapper/vg-root 75154576 63768800 7568100 90% /
> > varrun 257768 84 257684 1% /var/run
> > varlock 257768 4 257764 1% /var/lock
> > udev 257768 404 257364 1% /dev
> > devshm 257768 134884 122884 53% /dev/shm
> > lrm 257768 35324 222444 14%
> > /lib/modules/2.6.22-14-386/volatile
> > sshfs#root at localhost:/
> > 1048576000 0 1048576000 0%
> /home/cdawson/piab
> > /dev/mapper/sda1 233335 84832 136055 39% /boot
> >
> >
> > And, here is what I get when I run lvdisplay:
> >
> > cdawson at arrail:~$ sudo lvdisplay
> > --- Logical volume ---
> > LV Name /dev/vg/root
> > VG Name vg
> > LV UUID kPLR83-a13z-6gqG-te29-qTgt-QRNL-CIC4b9
> > LV Write Access read/write
> > LV Status available
> > # open 1
> > LV Size 72.82 GB
> > Current LE 18641
> > Segments 1
> > Allocation inherit
> > Read ahead sectors 0
> > Block device 254:4
> >
> > --- Logical volume ---
> > LV Name /dev/vg/swap_1
> > VG Name vg
> > LV UUID 6I3jCL-lsfO-pjH9-Dgnd-aPhn-2vyQ-7zXFie
> > LV Write Access read/write
> > LV Status available
> > # open 1
> > LV Size 1.47 GB
> > Current LE 377
> > Segments 1
> > Allocation inherit
> > Read ahead sectors 0
> > Block device 254:5
> >
> > --
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>
> Roughly the same thing happened to me when I upgraded to Gutsy, and I
> see at least one other message on the list, from Robert Fitzpatrick,
> with a similar problem.
>
> In my case, this is fstab after I upgraded:
>
> proc /proc proc defaults 0 0
> # /dev/hdc3
> UUID=562997ca-faa8-45bf-aca9-975ce010bb0e / ext3
> defaults,errors=remount-ro 0 1
> # /dev/hdc1
> UUID=C8C82629C826166A /media/hdc1 ntfs
> defaults,nls=utf8,umask=007,gid=46 0 1
> # /dev/sda1
> UUID=ee7a0a32-cf2d-4300-a4f5-52e24c8f62df /opt ext3 defaults
> 0 2
> # /dev/hdc2
> UUID=21bf1e1a-ce19-4354-a4bf-e56539a0e8c6 none swap sw
> 0 0
> /dev/hda /media/cdrom0 udf,iso9660 user,noauto 0 0
> /dev/fd0 /media/floppy0 auto rw,user,noauto 0 0
> /dev/sda2 /home ext3 defaults 0 2
>
> When I booted with that fstab, my /home and /opt would not be mounted,
> since they're actually on /dev/sdb, which isn't even mentioned here
> (and I guess the UUIDs are wrong). I'd get dumped to single-user mode
> with the request to fsck; I didn't really have to, though, I just had
> to mount home and then 'exit.'
>
> I changed fstab to
>
> proc /proc proc defaults 0 0
> # /dev/hdc3
> UUID=562997ca-faa8-45bf-aca9-975ce010bb0e / ext3
> defaults,errors=remount-ro 0 1
> # /dev/hdc1
> UUID=C8C82629C826166A /media/hdc1 ntfs
> defaults,nls=utf8,umask=007,gid=46 0 1
> # /dev/hdc2
> UUID=21bf1e1a-ce19-4354-a4bf-e56539a0e8c6 none swap sw
> 0 0
> /dev/sdb1 /opt ext3 defaults 0 2
> /dev/sdb2 /home ext3 defaults 0 2
> /dev/hda /media/cdrom0 udf,iso9660 user,noauto 0 0
> /dev/fd0 /media/floppy0 auto rw,user,noauto 0 0
>
> and now it works fine. Basically it looks like there are some
> conditions in which the gutsy upgrade gets fstab wrong.
>
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