Open MPI's openib BTL only supports RC transport. 

Best,

Josh

Sent from my iPhone

> On Jan 9, 2015, at 9:03 AM, "Sasso, John (GE Power & Water, Non-GE)" 
> <john1.sa...@ge.com> wrote:
> 
> For a multi-node job using OpenMPI 1.6.5 over InfiniBand where the OFED 
> library is used, is there a way to tell what IB transport type is being used 
> (RC, UC, UD, etc)?
>  
> ---john
>  
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