Re: [Hampshire] Emulating a cluster with QEMU?

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Author: Hugo Mills
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] Emulating a cluster with QEMU?

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On Thu, Mar 13, 2008 at 12:29:39PM +0000, Richard Danter wrote:
> With all this virtualisation talk I was wondering if anyone has tried
> running multiple instances of QEMU on one host simultaneously?


Yes, I routinely run two or three qemu (KVM) instances on my
laptop.

> What I would like to emulate is a cluster with each QEMU node able to
> talk to all the others in the cluster plus the host via normal
> networking. I assume this should be possible but has anyone already
> done this and have any notes? Any gotchas to watch out for?


Should be fine. You'll need a bridged network setup, but those seem
to work out of the box these days.

> Obviously performance is not going to be great, but I just don't have
> 8 PC's sitting round at the moment. :o(


What exactly are you trying to do with this setup? Why do you need
8 separate machines?

Hugo.

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