[Beowulf] Problems with a JS21 - Ah, the networking...

Patrick Geoffray patrick at myri.com
Mon Oct 1 09:38:34 EDT 2007


Mark Hahn wrote:
> here's an idea: configure ip-over-myrinet, and use it exclusively
> to start the jobs.  if that works, then you know for sure that the 
> problem is solely on the eth side (switch, perhaps, or maybe a nic
> that's jabbering or otherwise misbehaving?)

Ivan may have to stage the binary on local disk prior to spawning, to 
not rely on GPFS over Ethernet to serve it. Or even run GFPS over IPoM too.

Patrick
-- 
Patrick Geoffray
Myricom, Inc.
http://www.myri.com
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