Jason,
You can select a different kernel with the kernel_picker in the OSCAR
setup (step 1 or 2 from memory). Alternatively, it does have it in
/var/lib/systemimager/images/XXX/boot, but you also need to fix a couple
of other configure files (e.g.
/var/lib/systemimager/images/XXX/etc/systemconfig/systemconfig.conf)
Frank
On Thu, 2003-12-11 at 12:46, Jason Hlady wrote:
> Right! So: let's say I can figure out what the error is (I'll see if I can
> get all of the error message at once, and probably post it here.)
>
> Let's say I can go about trying to build a different kernel with the
> appropriate support for my SCSI devices. Where does OSCAR grab the kernel
> that it installs on the nodes? How should I go about modifying it? I'm at
> home right now, so I don't have the chunk of the manual that deals with a
> custom kernel. I can probably manage to build a kernel with the appropriate
> drivers linked in, if I just know what kernel source I'm supposed to be
> modifying!
>
> Thanks for the help, and by the way, your earlier message was right on the
> money--I hadn't copied in the boel_binaries.tar.gz file--I got lucky enough
> to figure this out along the way.
>
> Jason
>
>
> ----- Original Message -----
> From: "Frank Crawford" <[EMAIL PROTECTED]>
> To: "Jason Hlady" <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Wednesday, December 10, 2003 7:22 PM
> Subject: Re: [Oscar-users] Imaging successful but image doesn't work
>
>
> > Jason, Bernard,
> > One other issue that may be coming in is that SIS builds it's own
> > initrd.img file on the nodes and may not be including all the required
> > SCSI modules during booting.
> >
> > The problem is almost certainly a kernel issue, and as such you will
> > need to watch closely during the boot for errors, etc. It probably will
> > give some message about failing to find or load some SCSI module, but
> > with out seeing the kernel messages, it is pretty hard to diagnose.
> >
> > Frank
> >
> > On Thu, 2003-12-11 at 09:37, Bernard Li wrote:
> > > Hey Jason:
> > >
> > > Jason Hlady wrote:
> > >
> > > > I haven't tried installing Man 9.2 on the cluster nodes, only on the
> > > > head node (which is almost identical to the cluster nodes.) Still,
> it's
> > > > probably worth doing, and I'll try that first thing tomorrow morning.
> > >
> > > If they are the same hardware then that probably won't make much of a
> > > difference.
> > >
> > > > My colleague indicates that he's seen the "unable to mount root fs,
> > > > kernel panic" message before when trying to install Mandrake on IBM
> > > > x330/335s, and that he worked around it by building a different
> kernel.
> > > > Perhaps it's a kernel problem and not a configuration one. Does
> OSCAR
> > > > simply use the kernel which the head node uses? If so, and if the
> > > > kernel distributed with Man 9.2 works on both the head and the cluster
> > > > nodes, then at least it should be clear that it's not a kernel
> > > > problem... I think. :)
> > >
> > > I am not too sure about kernel stuff but I think SIS uses its own kernel
> > > when building images (not related to the kernel on the headnode). You
> > > might want to look into the OSCAR package kernel-switcher to see if that
> > > gives you any insight. I would also recommend going through the
> > > mailing-list archives - I have seen 'similar' questions asked in the
> > > past, so you might actually be able to get something out of it.
> > >
> > > > I'll have to do a little more work on this. Any more suggestions from
> > > > anyone else would be appreciated. I'm not completely against RH9.0,
> but
> > > > the fact that it's no longer supported by RedHat anymore, coupled with
> > > > the fact that we're a Mandrake shop around here and have more
> expertise
> > > > in Mandrake, makes me want to try and get it working with Mandrake.
> Of
> > > > course, I could always try RH using one of the cluster nodes as a head
> > > > node and go from there.
> > >
> > > I think it'd be cool if after this exercise you emerge and actually got
> > > it working under Mandrake 9.2 and we can all learn from this (and
> > > improve our current support).
> > >
> > > But if it is any incentive, we are also using the IBM x330's and we have
> > > no issues with RH 9.0 :-)
> > >
> > > Good luck!
> > >
> > > Cheers,
> > >
> > > Bernard
> > >
> > >
> > >
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