[mvapich-discuss] Process management and TCP connections

[Jonathan Perkins]

Rafa:
Hi, this should be possible by configuring your network to use IPoIB.
You'll need to specify hostnames that resolve to the IPoIB addresses instead
of the ethernet addresses when you're launching your applications.  Hope
this helps.

On Fri, Mar 20, 2009 at 12:00:13PM +0100, Rafael Arco Arredondo wrote:
> Hello,
> 
> I compiled MVAPICH 1.1 and MVAPICH2 1.2 with OpenFabrics-Gen2 support,
> and it works pretty well. However, I realized several TCP connections
> are created for process creation and control by mpirun_rsh, mpispawn and
> rsh/ssh itself. These connections are established over the default
> network interface, Gigabit Ethernet in our case, and not Infiniband.
> 
> I was wondering if it's possible to configure MVAPICH/MVAPICH2 so that
> connections are exclusively created over Infiniband.
> 
> Thank you in advance and best regards,
> 
> Rafa Arco
> 
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-- 
Jonathan Perkins
http://www.cse.ohio-state.edu/~perkinjo
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