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Re: Building XServe G5 cluster
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Re: Building XServe G5 cluster

The xserves have built-in ethernet, why don't you use
an ethernet network (with a private IP net) to connect
the cluster to the desktop, and then to the outside
world?

BTW, some people on the SGE mailing list are running
SGE with Myrinet, you can get some help from there as
well:

http://gridengine.sunsource.net/project/gridengine/maillist.html

Andrew.

--- Jao van de Lagemaat <email@hidden>
*:0T.'!G> Put two ethernet cards in the desktop (or
one
> ethernet and one
> myrinet). Connect one to the cluster (via a fast
> ethernet hub) and
> connect the other one to your intranet. Do not
> enable any nat routing.
> The network to your cluster will autoconfigure using
> rendezvous (i.e.
> all nodes should connect to the controller
> automatically without any
> configuration). This should just work, but will not
> use the myrinet
> connections, so you might enable it as a
> lightweight/easy way to submit
> some jobs and to just get going. If you want to use
> the myrinet (and if
> you have spent the $ to get that you'd better), you
> will have to use
> another technology then XGrid (like lam-mpi or mpich
> and suns
> gridengine for the job submission/queuing) since
> XGrid only does MPI
> over TCP/IP. Xgrid is also rather slow at MPI. It
> works as a technology
> demonstration and for simple jobs. For your purposes
> it is far too
> lightweight. Spend a little time figuring this out,
> it will be well
> worth it.
>
> Jao
>
> On Mar 29, 2004, at 6:59 AM, Sean C. Garrick wrote:
>
> > Hello,
> >
> > I am building a 16-processor, 8-node XServe G5
> cluster. Because of
> > space/rack limitations, and other reasons, I
> purchased a Dual 1.8 G5
> > desktop to manage the cluster. My computations are
> heavily node-node
> > communication dependent. All nodes will be
> connected via Myrinet and
> > all jobs will be run in parallel via MPI.
> >
> > The user will log into G5 desktop and submit a job
> to the scheduler
> > which will submit the job to the cluster. Can
> someone suggest a good
> > way to connect the desktop to the cluster?
> >
> > Thanks,
> > Sean
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References: 
 >Re: Building XServe G5 cluster (From: Jao van de Lagemaat <email@hidden>)



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