[OMPI users] v2.1.1 How to utilise multiple NIC ports

2018-12-20 Thread Bob Beattie
Hi everyone, I'm working on OpenFOAM v5 and have been successful in getting two nodes working together. (both 18.04 LTS connected via GbE) As both machines have a quad port gigabit NIC I have been trying to persuade mpirun to use more than a single link on each machine for its communications,

Re: [OMPI users] v2.1.1 How to utilise multiple NIC ports

2018-12-22 Thread Bob Beattie
Many, many thanks. Couldn't see the wood for the trees ! I now have the two machines using all their 1Gb ports to talk to each other. Cheers Jeff, Happy holidays. Bob. South UK. ___ users mailing list users@lists.open-mpi.org

Re: [OMPI users] v2.1.1 How to utilise multiple NIC ports

2018-12-22 Thread Bob Beattie
Hi Jeff, > How are you measuring that it hasn't been successful? A network switch sits between the two machines and I am watching the link activity on the ports. > One thing to make sure of is that you interfaces are on different subnets. Oh. I had them all on the same subnet. Now the first