Xen users - Feb 2011 - Convert existing System to PV

Greetings!

Is there a tutorial how to create a domU from an existing system (SUSE-9.3)?
It should decribe all the steps from the very begin: copy the exiting 
system to an image etc, etc.

The dom0 is a openSUSE-11.3, if that matters.

I''ve been researching quite a while but did not find any suitable.

Thanks for hints
Wolf

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> -----Original Message-----
> From: xen-users-bounces@lists.xensource.com [mailto:xen-users-
> bounces@lists.xensource.com] On Behalf Of Wolf Grossi
> Sent: Tuesday, February 01, 2011 9:38 AM
> 
> Is there a tutorial how to create a domU from an existing system
(SUSE-9.3)?
> It should decribe all the steps from the very begin: copy the exiting
system to an
> image etc, etc.
There are several ways to do it--I''ve usually gone with a single root
filesystem on a dom0 logical volume.  Rough steps are as follows:

- Install kernel-xen package
- Create a filesystem for the domU, and mount it somewhere
- Stop services on the physical host (so that disk writes are kept to a
minimum) and begin copying files from /, skipping /proc etc.
- Adjust files on the domU image for PV devices:  /etc/fstab,
/etc/inittab, /etc/sysconfig/network/ifcfg-*
- Create a Xen configuration with the correct root fs, xen kernel and
ramdisk
- Unmount the domU FS.  Start the new domU and see what breaks, if
anything.

FWIW, we just tried this on a SUSE 9.4 host.  It was a disaster--the
SUSE kernel-xen package rendered the domU slow and unstable.  We ended
up migrating the services to a CentOS domU instead.

-Jeff



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