Just an FYI - I asked a similar question recently and got the following answer
from Rolf:
> In my case, it was specific to openib only and it required you to be running
> with two or more IB rails.
> Then, if one of them failed, we just shut it down, and continued with the
> working ones.
> You
On Oct 25, 2012, at 17:54 , Lirong Jian wrote:
> Hi foks,
>
> Sorry to bother you guys, but I have some questions about Open MPI and really
> want your help.
>
> There are some papers (e.g., [1, 2, 3], although they are sort of old-aged)
> mentioning that Open MPI is supporting NIC failover