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