Thanks for the quick response ... I've been thinking about this today and tried
a few things on my CentOS mini connected cluster ...
To use tcp btl I will have to set up a bridge on A with ib0 and ib1
participating in the bridge, then tcp btl could be used as you suggest.
Unfortunately, the
You're gonna have to use a protocol that can route through a machine,
OFED User Verbs (ie openib) does not do this. The only way I know of to
do this via OMPI is with the tcp btl.
--td
On 11/22/2010 09:28 AM, Paul Monday (Parallel Scientific) wrote:
We've been using OpenMPI in a switched
We've been using OpenMPI in a switched environment with success, but
we've moved to a point to point environment to do some work. Some of
the nodes cannot talk directly to one another, sort of like this with
computers A,B, C with A having two ports:
A(1)(opensm)-->B
A(2)(opensm)-->C
