I don't know where the machinefile is ?. I found a command *Running with
Open MPI mpirun -np 168 -mca btl self,sm,openib hostfile
/home/demo/hostfile-ompi.14 -mca mpi_paffinity_alone 1
~/WRFV3.2.1/run/wrf.exe.* for* *Dell PowerEdge M610 14-node cluster
with Mellanox QDR InfiniBand Switch , but I am still not able to make it run
with my system. i have Dell PowerEdge M600 cluster with Infiniband.
> Message: 3
> Date: Fri, 1 Apr 2011 22:02:59 -0700
> From: David Zhang <solarbikedz_at_[hidden]>
> Subject: Re: [OMPI users] WRF run on multiple Nodes
> To: Open MPI Users <users_at_[hidden]>
> Message-ID: <BANLkTikufhi=8HK-MPoUoCPNCkiqFsPKoQ_at_[hidden]>
> Content-Type: text/plain; charset="iso-8859-1"
> look into -machinefile
> On Fri, Apr 1, 2011 at 8:16 PM, Ahsan Ali <ahsanshah01_at_[hidden]> wrote:
> > Hello,
> > I want to run WRF on multiple nodes in a linux cluster using openmpi,
> > giving the command *mpirun -np 4 ./wrf.exe* just submit it to the single
> > node . I don't know how to run it on other nodes as well. Help needed.
> > Regards,
> > --
> > Syed Ahsan Ali Bokhari
> > Electronic Engineer (EE)
> > Research & Development Division
> > Pakistan Meteorological Department H-8/4, Islamabad.
> > Phone # off +92518358714
> > Cell # +923155145014
> > _______________________________________________