[WBEL-users] 2nd disk

[John Lowry]

Kirby,

I think your point about the label being the culprit is probably right.  I'll
look at that when I next need to do it.  /etc/fstab doesn't have any hdb in it,
so I didn't suspect anything there, but the boot sequence did complain about
label(s).  Dmesg didn't save the errors, unfortunately :-(

Thanks,
John


On Thu, 28 Apr 2005, Kirby C. Bohling wrote:

> On Thu, Apr 28, 2005 at 08:52:09AM -0700, John Lowry wrote:
> >
> > Friends,
> >
> > I'm trying to mount my old suse 8.1 drive as hdb on my WhiteBox machine.  Both
> > disks boot independently.  However, booting White Box fails because apparently
> > it wants to mount hdb as /var, and gets lots of read only file system warnings.
> >
> > Any ieas?
>
> I've never used SuSe in my life, however, I've had somewhat similar
> problems when putting two RHL disks into the same machine.  The
> problem was actually disk labels.
>
> You'll want to check that the BIOS disks are what you want.  You
> might try booting into single user mode, or emergency mode (add
> "single" or "emergency" to the end of your boot commands in GRUB).
>
> Emergency will mount your root filesystem and give you a root shell
> so you can do investigation (it won't fsck your filesystem even if
> it needs it, so use with caution).  It is one way to get control of
> a machine that you need to, even if what you are doing is unsafe.
> I've used it before to turn DMA on for an fsck, because hdparm is
> run after fsck is run on your filesystems.  Saved myself several
> hours of downtime.
>
> It sure sounds like the culprit is in your /etc/fstab (that's what
> it uses to pick where you mount what partition).  It'd be more
> helpful if you gave a full error message, a bit more context of
> where it is in the boot cycle, and the contents of your /etc/fstab.
>
> Boot each machine and run e2label /dev/hdaX on each partition (where
> X is the partition number).  If any two from the two machines are
> identical, and your /etc/fstab uses that label, that's your problem.
>
> Your symptoms don't exactly match mine, as RH would pick the wrong
> root filesystem.  However, the differences might be accounted for by
> SuSe being the other disk.
>
>     Thanks,
>         Kirby
>
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