Xen devel - Jan 2005 - Newbie question re: root partition spec in grub.conf

Hi

So I’ve followed the installation manual and got Xen to boot, with
XenLinux 2.6.10 on top of it.  The relevant part of my grub.conf looks
like this…

#boot=/dev/hdb
title Xen 2.0 / XenLinux 2.6.10
	kernel /xen.gz dom0_mem=131072
	module /vmlinuz-2.6.10-xen0 root=/dev/hdb2 ro console=tty0

My problem is that I''m not convinced that I''m using the
correct root
partition in the last line (I warned you, I''m a newbie to Xen as well
as
linux, so please be gentle with me if these sound like really dumb
questions ;-).  

/dev/hdb2 is the root partition of my original (Fedora FC2) linux
installation, while I would have thought that I should be using a
partition containing stuff ported to Xen?  But where is that, or how do
I create it?  The above grub.conf works to some extent, and results in a
vaguely successful boot into the Fedora linux (although the mouse
doesn''t work, and I''m not sure how much else is broken).   But
my guess
is that I''m using the wrong boot partition.  Can someone help to
clarify
my understanding here, and set me right?

Thanks in advance...

Quinton

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> #boot=/dev/hdb
> title Xen 2.0 / XenLinux 2.6.10
> 	kernel /xen.gz dom0_mem=131072
> 	module /vmlinuz-2.6.10-xen0 root=/dev/hdb2 ro console=tty0
Looks sane :-)
> /dev/hdb2 is the root partition of my original (Fedora FC2) linux
> installation, while I would have thought that I should be using a
> partition containing stuff ported to Xen?
Nope - only the operating system kernel needs porting to Xen.  Since
you''re
booting with that, you should be fine.  (but you''ll need to move
/lib/tls out
of the way, e.g. "mv /lib/tls /lib/tls.disabled" for running properly
under
Xen)
> The above grub.conf works to some extent, and results in a
> vaguely successful boot into the Fedora linux (although the mouse
> doesn''t work, and I''m not sure how much else is broken). 
Is it a USB mouse?  The default kernel build doesn''t have USB support,
so
you''d need to enable it for this to work.

Since you''re using FC2, I imagine the pretty graphical boot has stopped
working too.  It can work in principle (perhaps putting "rhgb" at the
end of
the "module /vmlinuz..." line would work) but it''s nothing to
worry about in
any case.
> But my guess 
> is that I''m using the wrong boot partition.  Can someone help to
clarify
> my understanding here, and set me right?
You were right to start with - dropping Xen onto your existing install will 
work fine.  Fedora works fine with Xen.

Cheers,
Mark


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