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Re: [Xen-users] paravirtulized suse 10.3 DomU over a suse 10.2 dom0

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] paravirtulized suse 10.3 DomU over a suse 10.2 dom0
From: "Razi Khaja" <razi.khaja@xxxxxxxxx>
Date: Wed, 14 Nov 2007 09:11:01 -0500
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I tried different ways, and each time i can't achieve my setup:

- xm create -c /mnt/sdb1/vm-suse10.3.cfg

(1) It looks like you are manually trying to install the the domU. Have you tried using the Yast2 Virtual Machine Manager to do the domU installation?
(2) It looks like the paths to your kernel and initrd are incorrect. If you use the Yast2 Virtual Machine Manager it will give the right paths.
Has someone experienced the same and have some idea to get rid of this ?

I have tried installing 10.3 as a guest of 10.2 and was also unsuccessful. So this confirms that someone has had the same experience but I have not been able to fix this.

Has anyone successfully installed a 10.3 domU in a 10.2 dom0?

I think the reason is that a 10.3 domU does not work in a 10.2 dom0 is that the kernel is xen aware and since the 10.2 kernel is older than the 10.3 kernel, 10.2 is not aware of how to host 10.3 as a guest/domU. It may be possible to install 10.3 as a guest of 10.2 but you would probably have to do it much like installing a completely different OS such as Centos, or RedHat. in otherwords you must install 10.3 as a guest OS that is not xen aware.  Im speculating here (based on my limited understanding of opensuse and xen documentation ive read), so more educated opinions are welcome.

I resorted to installing 10.3 as Dom0 and 10.2 as a  DomU and this works. 10.3 is much nicer since it has a paravirtualized graphics adapter so you can do a graphical install and have graphical access to your machine without having to setup VNC on your own.

In your case and in my case (since the hard disk for my 10.2 system is lying around), if it is not possible to erase your 10.2 system  it would be helpful to determine how to take an existing 10.2 filesystem, convert that into a  "Sparse Image File", and use the "Sparse Image File" to boot my old 10.2 system. Is this possible? Anyone know how to do this?

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