I believe the problem is that you are only applying the MCA
> parameters to the first app context instead of all of them:
Thank you *very* much.. applying the parameters with -gmca works fine with
the test case (and I'll try the actual one soon). However and this is
minor since it works with method (1),...
> There are two main ways of doing this:
2) Alternatively you can duplicate the MCA parameters for each app context:
.. This actually doesn't work. I had thought of that and tried it, and I
still get the same connection problems. I just rechecked this again to be
Again, many thanks for the help!
With best wishes,
Yale University HPC