[Beowulf] One network, or two?

[Greg Lindahl]

On Tue, Sep 23, 2008 at 03:21:55PM -0400, Joshua Baker-LePain wrote:

> In theory, it's a great idea.  In practice, wiring up an entire 2nd  
> network gets to be a major PITA (as well as being uncheap) as your 
> cluster size increases.  I've got ~350 nodes here, and a 2nd set of 
> cabling is really, really low on the list of projects I'd like to tackle.

I can name a bunch of 350 node clusters that have multiple networks.
So, obviously, YMMV.

-- greg