[Mauiusers] MPI / IB setup
al at sgi.com
Mon Mar 15 17:12:02 MDT 2010
Jacques Foury wrote:
> Hello all.
> we have here a setup of Infiniband nodes, grouped around IB switches.
> I wonder if it's possible to have MPI jobs run on a set of nodes that
> are connected on the *same* IB switch.
> I thought about special attributes for the nodes, but it is by no way
> Let me be more precise :
> - we have 64 nodes, connected by groups of 4 nodes per chassis.
> - we have 4 "leaves" IB switches, all receiving 16 nodes (4 chassis) IB
> ... and 2 more spine IB switches.
> We want the jobs fitting on 16 nodes to run on a set of nodes all
> connected to the same leaf switch.
> Does anyone have already configured such a setup ?
Haven't used it in Maui, but I have used it in MOAB. AFAIK, that's
exactly designed for this purpose.
More information about the mauiusers