Hi all,
I am working on multi-rail IB and I was wondering how connections are
established between ports. I have two hosts, each with 2 ports on a
same IB card, connected to the same switch.
My question is : how ports are connected between them ? Is there a queue
pair between all ports or o
See this FAQ entry for a description:
http://www.open-mpi.org/faq/?category=openfabrics#ofa-port-wireup
Right now, there's no way to force a particular connection pattern on
the openib btl at run-time. The startup sequence has gotten
sufficiently complicated / muddied over the years tha
On Fri, Jun 05, 2009 at 09:52:39AM -0400, Jeff Squyres wrote:
>
> See this FAQ entry for a description:
>
> http://www.open-mpi.org/faq/?category=openfabrics#ofa-port-wireup
>
> Right now, there's no way to force a particular connection pattern on
> the openib btl at run-time. The startup s
