[Beowulf] clustering using xen virtualized machines

[Jonathan Aquilina]

so basically what your saying is something along the lines of a rendering
cluster would be a good candidate for this?

On Wed, Jan 27, 2010 at 6:31 PM, Jon Forrest <jlforrest at berkeley.edu> wrote:

> At a recent Rocks clustering user's group
> meeting the recent addition of Rocks support of
> Xen-based virtual clusters came up. Some
> of the same questions recently raised on this
> list were discussed there.
>
> One justification for virtual clusters that I
> hadn't thought of was discussed. This only applies
> in places with large clusters run by a central
> computing group but used by various internal
> customers. Using virtual clusters makes it
> very easy to supply clusters to customers
> who need a cluster for a limited period of
> time. The amount of effort necessary to
> provision a new cluster is minimal.
> Nodes can easily and quickly be added,
> if necessary. This is as opposed to buying
> a new cluster for a research group, using it
> for a couple of months, and then turning it
> off.
>
> So, in this case, virtualized clusters have
> the advantage of being easier to manage. The
> performance overhead caused by the virtualization
> is a factor, but it's decreasing as time goes
> on due to better hardware support of virtualization
> and cleverer software.
>
> Cordially,
> --
> Jon Forrest
> Research Computing Support
> College of Chemistry
> 173 Tan Hall
> University of California Berkeley
> Berkeley, CA
> 94720-1460
> 510-643-1032
> jlforrest at berkeley.edu
>
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-- 
Jonathan Aquilina
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