On Mon, 2011-11-07 at 15:45 +0100, Vincent Diepeveen wrote: > What's the second one doing, is this just in case the switch fails, > a > kind of 'backup' port? > > In my naivity i had thought that both ports together formed the > bidirectional link to the switch. > So i thought that 1 port was for 10 gigabit upstream and the other > port was for 10 gigabit downstream, > did i misunderstood that?
It's "normal" to just use single port cards in a compute server. You might want to use 2 (or more) to increase the bandwidth to a particular machine (might be useful for a fileserver, for instance) or if you are linking nodes to each other (rather than via a switch) in a taurus-type topology. Rob _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
