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Re: [Xen-users] Kubuntu Guest on CentOS5 host

To: Martin Goldstone <m.j.goldstone@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Kubuntu Guest on CentOS5 host
From: Paul Waldo <pwaldo@xxxxxxxxxxxxx>
Date: Mon, 09 Jul 2007 08:33:20 -0400
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Hi Martin,

Thanks for the reply. Unfortunately I have an older Xeon system that won't allow me to do Full Virt.

I used Qemu to install Feisty, but Qemu creates partitions within the disk image file, as if it were an entire disk. As I understand Xen, this is not a format that Xen can read directly; what I want is for Qemu to write to a LVM volume.

Can you describe for me the steps you use for installing non-Red Hat distros? Any tips for getting Feisty installed? Thanks in advance!

Paul

Martin Goldstone wrote:
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As PV guests require xen-enabled kernels, I'd suggest the best method
for you to follow would be to install Feisty either as a HVM guest or
using Qemu.  You could then download a xen enabled kernel/initrd (
either store these in dom0 somewhere or use pygrub if you want to keep
them inside the guest; I tend to prefer storing them in dom0. Don't
forget to copy the modules into the guest's file system if neccessary),
and create a new configuration to use that disk image in a PV guest with
the xen-ified kernel you downloaded (you could probably get away with
using the same kernel as you do in dom0, as long as its not only a dom0
kernel (I think the kernel in the 3.1 binary can do both dom0 and domU))

I find that virt-manager/virt-install work well for installing Fedora
and RHEL based distros, but I think it relies on having an appropriate
initrd that launches the install scripts, so if the distro in question
doesn't provide this (in a location Xen knows about), it won't work.
I've come across the same issue before, fortunately its fairly easy to
get round.

Mart

Paul Waldo wrote:
Hi All,

I have a CentOS5 host and I'm trying to install Kubuntu Feisty as a
paravirtualized guest.  I tried using virt-manager and mounting the
Feisty DVD via NFS.  Unfortunately, I got the error
"Invalid NFS location given: [Errno 2] No such file or directory:
'/var/lib/xen/xennfs.Pu9bAv/xen/vmlinuz'"
My understanding is that virt-manager is looking for a Xen kernel at the
install location in directory /xen.
So, is there any way to install a non-xen-enabled distro as a
paravirtualized guest?  Thanks for any help!

Paul

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