[ofa-general] Bandwidth of performance with multirail IB

[Davis, Arlin R]

Jie, 

>A question on implementation multi-rail with uDAPL connections.
>
>What I did is open 2 IAs (corresponding to the 2 ports on 
>HCAs) on each 
>node.
>Then create one EP for each IA, and connect those EPs to the 
>corresponding
>EP at other node.
>
>Then data been transferred via both EP-connections.

Did you verify data flow is across independent HCA channels
using perfquery?

>
>I have been notice that there's a MULTIPATH connection flag for dapl, 
>but I did
>not use it. What's the use of it?

Multipath is not supported at this time.

I will roll up a uDAPL test and see if I can verify performance.

-arlin