In addition, you might want to consider upgrading to Open MPI v1.10.x (v1.6.x is fairly ancient).
> On Jun 1, 2016, at 7:46 AM, Gilles Gouaillardet > <gilles.gouaillar...@gmail.com> wrote: > > which network are your VMs using for communications ? > if this is tcp, then you also have to specify a restricted set of allowed > ports for the tcp btl > > that would be something like > mpirun --mca btl_tcp_dynamic_ports 49990-50010 ... > > please double check the Open MPI 1.6.5 parameter and syntax with > ompi_info --all > (or check the archives, I think I posted the correct command line a few weeks > ago) > > Cheers, > > Gilles > > On Wednesday, June 1, 2016, Ping Wang <ping.w...@asc-s.de> wrote: > I'm using Open MPI 1.6.5 to run OpenFOAM in parallel on several VMs on a > cloud. mpirun hangs without any error messages. I think this is a firewall > issue. Because when I open all the TCP ports(1-65535) in the security group > of VMs, mpirun works well. However I was suggested to open as less ports as > possible. So I have to limit MPI to run on a range of ports. I opened the > port range 49990-50010 for MPI communication. And use command > > > > mpirun --mca oob_tcp_dynamic_ports 49990-50010 -np 4 --hostfile machines > simpleFoam –parallel. > > > > But it still hangs. How can I specify a port range that OpenMPI will use? I > appreciate any help you can provide. > > > > Best, > > Ping Wang > > > > <image001.png> > > ------------------------------------------------------ > > Ping Wang > > Automotive Simulation Center Stuttgart e.V. > > Nobelstraße 15 > > D-70569 Stuttgart > > Telefon: +49 711 699659-14 > > Fax: +49 711 699659-29 > > E-Mail: ping.w...@asc-s.de > > Web: http://www.asc-s.de > > Social Media: <image002.gif>/asc.stuttgart > > ------------------------------------------------------ > > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: https://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2016/06/29340.php -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
