> On Oct 9, 2018, at 6:01 PM, Jeffrey A Cummings <jeffrey.a.cummi...@aero.org> > wrote: > > What are the allowable values for the –mca btl parameter on the mpirun > command line?
That's basically what the output of ompi_info -a says. So it appears, for the moment at least, like things are magically better. In the process of organizing all the information that's requested on the web site, I caught some (I thought innocuous, but apparently not) mismatches in kernel-related rpms on the nodes. Once those were cleared up things started working. I don't really know why, but the point is moot. Thanks. Noam
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