Le 20/03/2012 16:52, Jeffrey Squyres a écrit : > On Mar 20, 2012, at 11:09 AM, Brice Goglin wrote: > >>> I looked at that. It's not immediately clear to me how to map that to >>> "ib0" and "ib1", for example. >> Also I see that /sys/class/infiniband/mlx4_0/node_guid contains >> 0002:c903:000b:5348, that's ib0's end-of-address minus one, and ib1's >> end-of-address minus two. > Yep -- that's a carryover from IB. I don't remember offhand whether that > GUID pattern is guaranteed by the device/port abstraction, or whether > Mellanox equipment just happens to always do that. > > But I still don't know how to map that to ib0/ib1.
Actually, what we don't know is how to map that to port 1/2 (we have ib0/ib1 mac addresses, those are = GUID+1/2 on my machine) Brice