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Re: [Xen-users] Most stable Xen distro?

To: Mark Smith <smitty@xxxxxxxxx>
Subject: Re: [Xen-users] Most stable Xen distro?
From: Florian Manschwetus <florianmanschwetus@xxxxxx>
Date: Mon, 07 Apr 2008 21:02:44 +0200
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, Doug Breshears <doug@xxxxxxxxxxxx>
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Even on the risk to start the usual distro-flame, i just add, my gentoo 64bit 3.2 xen runs pretty good based on 2.6.21 -xen sources.


Mark Smith schrieb:
Is there a consensus on which distro is the best for running a Xen dom0?
 I have tried Debian Etch (Xen 3.0.3/2.4.18 kernel) but it was having
problems with the domU's thinking the (virtual) hard drive was bad.
 I upgraded to Xen 3.2 hypervisor and tools (Using Etch Backports) and that
helped quite a bit (errors are not fatal but still there) but this left the
kernel untouched and I assumed that it would be best to get a kernel
compiled with the same version of hypervisor you are using.

 I then tried Ubuntu Gutsy (Xen 3.1/2.6.22 kernel) but the domU guests hang
while booting.

 I would prefer a Debian Etch dom0 but will go with whatever works best.

 So to clarify.. Is there a Xen distro package / Kernel package combination
that works best?
 I would consider compiling from scratch but I am not sure that would do any

 Any suggestions?

I setup my Xen box on 3.0.1 back almost two years ago.  I tried really
hard to use a Debian dom0 but was unable to get it to work - notably
at the time it didn't have drivers for my SATA card, so I tried
building my own kernel.  Wasn't very happy with the fragility of the
setup, so I went to CentOS 4 and it worked amazingly well.

Honestly, you don't do much with the dom0.  If you're doing Xen right,
your dom0 is almost untouched.  Just sits there.  So I can highly
recommend using something that works really well (CentOS, Fedora Core,
etc) and putting Debian/Ubuntu/etc as your domUs.  That's what I do!

Just last week I updated to Xen 3.2 as well, and things are running
great right now.

Caveat lector: I am using Xen kernels I compiled myself, I am not
using any distro packaged anything.  I probably could use packaged
stuff with 3.2, but back in the 3.0.1 days, the packages weren't that
good IMO.  If you use the packages, your experience may vary.  :)

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