Brian Oborn wrote:

....
A quick side question. Is it possible to use IB as a cross-over with no switch?

Yes, and the cables are the same.

If I had just 2 fat nodes could I connect the HCAs directly to each other and avoid the switch costs?

Yes.  With 3 nodes it might be cheaper having 2 HCA per node, 6 cables,
than the switch solution.


        Dan
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