[Beowulf] 512 nodes Myrinet cluster Challanges

[Walid]

Hi all,

Does any one know what types of problems/challanges for big clusters?

we are considering having a 512 node cluster that will be using
Myrinet as its main interconnect, and would like to do our homework

The cluster is meant to run an inhouse fluid simulation application
that is I/O intensve, and requires large memory models.

any hints, pointers will be apperciated

TIA

Walid.

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