[mvapich-discuss] How do I force Infiniband use?

[Jonathan Perkins]

Hi, can you verify your build using mpiname -a?  It's possible that your
build is for TCP instead of IB.

For more information on building MVAPICH2 for Infiniband please take a look
at
http://mvapich.cse.ohio-state.edu/static/media/mvapich/mvapich2-2.1-userguide.html#x1-110004.4
.

On Thu, Apr 16, 2015 at 2:14 PM brown wrap <gramos at yahoo.com> wrote:

>
> I have installed the software. I have a small test cluster set up. 5
> compute nodes. I know that the Infiniband HBAs in two nodes don't respond
> to ib commands. When I run:
>
> mpirun_rsh -np compute-0-2 ./cpi
>
> I still get a response back, even though that node's IB is not working, so
> I think it is using IP. How can I force it to use Infiniband? Thanks.
>
>
>
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