As long as they are the same architecture (i686 vs x86_64 etc) then dual vs
quad core shouldn't make much difference. If the new cores are radically
different in speed, they will not run with their full capacity since the
cluster tends to be limited to its slowest parts. This depends a bit on
what you are doing with it.
You can run mixed architecture clusters, you just have to remember that they
can't run the same binaries. So you end up needing a much more complicated
setup than you might think. In this case the head node must be x86_64.
On Fri, Feb 13, 2009 at 7:36 PM, Diego M. Vadell <
dvad...@linuxclusters.com.ar> wrote:
> On Friday 13 February 2009 20:10:09 Rani Nandiwada wrote:
> > Hi,
> >
> > I am running a homogenous cluster running Dualcore - dual CPU
> > Precision workstations
> > running RHEL 4.7 Linux.
> >
> > I would like to add 2 more nodes (Quadcore - dual CPU) workstations
> > to the cluster.
> >
> > Can these 2 architectures work together. Has anyone running this
> > mix. Please let me
> > know..asap...Thanks..Rani
>
> Hi,
> I'm not running the exact same configuration as yours, but a OSCAR
> cluster
> with some a mixed number of processors/cores pero node, and didn't have any
> problem. I don't see any problem with your setup either.
>
>
> Cheers,
> -- Diego
>
>
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