On Monday 10 July 2006 09:52, Andrea Righi wrote:
> Mark Seger wrote:
> > 
> > The key problem as I've said before, is SystemConfigurator cannot ask
> > grub to generate a new device map because the logic in grub to do this
> > is busted.  Either generate one in SC independent of grub or use the one
> > that's already there.  As far as the --force-lba switch on grub-install,
> > I'll have to let Andrea explain why that's needed as I'm not a grub person.
> > 
> 
> Regarding the device.map problem if it has been fixed in GRUB ok, we
> could simply suggest to update GRUB to the last release.. ;-) otherwise
> the other solution (as I said to Mark) could be to create the device.map
> inside systemconfigurator, in fact we have all informations to do it,
> we've simply to create a list of entries like:
> 
> (hdN) <linux_device>
> 
> where N = 0, 1 , 2, ...

Sorry, but the information we miss in systemconfigurator is the list of
devices and the order in which they are seen by the BIOS. As Mark says, the
older grub version is uncapable to detect the cciss devices (whatever those
are, I don't know them). So the only source of information for SC is not
working in this case. If you have another idea how to get this list...?
Hardcoding an SC version for cciss devices is not a solution, but I thing
that's obvious.

We can do two things:
- if a device map exists and contains cciss devices and the grub detected
device map doesn't: use the old device map
- put the special device map into host specific overrides if you have
inhomogeneous clusters.

I'm afraid the overrides are image-specific, aren't they? :-(

Regards,
Erich



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