Look at the MCA params btl_tcp_if_include and btl_tcp_if_exclude. Either include the internal network (to restrict to *only* using that one), or exclude the public one
On May 7, 2013, at 8:25 AM, Angel de Vicente <ang...@iac.es> wrote: > Hi again, > > Angel de Vicente <ang...@iac.es> writes: >> yes, that's just what I did with orted. I saw the port that it was >> trying to connect and telnet to it, and I got "No route to host", so >> that's why I was going the firewall path. Hopefully the sysadmins can >> disable the firewall for the internal network today, and I can see if >> that solves the issue. > > OK, removing the firewall for the private network improved things a > lot. > > A simple "Hello World" seems to work without issues, but if I run my > code, I have a problem like this: > > [angelv@comer RTI2D.Parallel]$ mpiexec -prefix $OMPI_PREFIX -hostfile > $MPI_HOSTS -n 10 ../../../mancha2D_mpi_h5fc.x mancha.trol > > [...] > > [comer][[58110,1],0][btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] > connect() to 161.72.206.3 failed: No route to host (113) > [comer][[58110,1],1][btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] > [comer][[58110,1],3][btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] > connect() to 161.72.206.3 failed: No route to host (113) > connect() to 161.72.206.3 failed: No route to host (113) > [comer][[58110,1],1][btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] > connect() to 161.72.206.3 failed: No route to host (113) > [comer][[58110,1],2][btl_tcp_endpoint.c:655:mca_btl_tcp_endpoint_complete_connect] > connect() to 161.72.206.3 failed: No route to host (113) > > But MPI_HOSTS points to a file with > $ cat /net/nas7/polar/minicluster/machinefile-openmpi > c0 slots=5 > c1 slots=5 > c2 slots=5 > > c0, c1, and c2 are the names of the machines in the internal network, > but for some reason it is using the public interfaces and complaining > (the firewall in those is still active). I thought just specifying the > names of the machines in the machinefile would make sure that we were > using the right interface... > > Any help? Thanks, > -- > Ángel de Vicente > http://angel-de-vicente.blogspot.com/ > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
