Need comments about cluster file systems

Philippe Blaise - GRENOBLE pblaise at cea.fr
Mon Nov 18 05:02:19 EST 2002


24 compute nodes is a desk cluster :-) ; but the ratio 1.5 compute / IO nodes
is quite high.
What about 100 compute nodes : do you really need 60 I/O nodes to achieve a
good throughput - or 16 I/O nodeswill be still ok ?

  Philippe

Kumaran Rajaram wrote:

>   More information regarding the PVFS performance can be obtained from the
> site below:
>
> http://www.dell.com/us/en/esg/topics/power_ps4q02-kashyap.htm
>
>    It is interesting to note the read/write performance to scale well for
> 16 I/O nodes.
>
> -Kums
>
> -- Kumaran Rajaram, Mississippi State University --
> kums at cs.msstate.edu  <http://www.cs.msstate.edu/~kums>
>
> On Fri, 15 Nov 2002, Jeff Layton wrote:
>
> > Philippe Blaise - GRENOBLE wrote:
> >
> > >
> > >
> > > Are there some figures about PVFS perfs over SCI and/or Myrinet ?
> >
> > Sure (Myrinet):
> >
> > http://parlweb.parl.clemson.edu/pvfs/miami2000/miami2000_01.html
> > http://parlweb.parl.clemson.edu/pvfs/el2000/extreme2000.html
> >
> >
> >
> > --
> >
> > Jeff Layton
> > Senior Engineer
> > Lockheed-Martin Aeronautical Company - Marietta
> > Aerodynamics & CFD
> >
> > "Is it possible to overclock a cattle prod?" - Irv Mullins
> >
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