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From: Troy Telford (ttelford_at_[hidden])
Date: 2005-11-16 16:29:04


On Wed, 16 Nov 2005 14:16:20 -0700, Enrique Curchitser
<ec605_at_[hidden]> wrote:
> Hi,
>
> I put together a small cluster (4 computers) which has one head node
> that sees the world
> and 3 that are on a private network. If I want to use the head node
> (which has 2 NICs)
> as part of the ring, how do I tell it to go over the NIC that is part
> of the private network?
> In mpich, there is a modification to the hostfile, but I did not see
> any such thing with OpenMPI

Here's an entry from an earlier post to this list (in the archives) that I
believe applies:

http://www.open-mpi.org/community/lists/users/2005/11/0337.php