Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] IMB-MPI broadcast test stalls for large core counts: debug ideas?
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2010-08-24 17:58:27


On Aug 24, 2010, at 1:58 PM, Rahul Nabar wrote:

> There are a few unusual things about the cluster. We are using a
> 10GigE ethernet fabric. Each node has dual eth adapters. One 1GigE and
> the other 10GigE. These are on seperate subnets although the order of
> the eth interfaces is variable. i.e. 10GigE might be eth0 on one and
> eth2 on the next. In case this matters. I was told this shouldn't be
> an issue.

Are all the eth0's on one subnet and all the eth2's on a different subnet?

Or are all eth0's and eth2's all on the same subnet?

-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/