Re: [OMPI users] error running mpirun command

2019-05-16 Thread Eric F. Alemany via users
Hi Jeff, Thank you for picking up on the thread. I followed your suggestion and I also did some research. I think I fixed the issue. My problem was two things: 1) From the mater node I made sure i could do a password-less ssh connection to the other nodes via; IP address of the nodes, host

Re: [OMPI users] error running mpirun command

2019-05-14 Thread Jeff Squyres (jsquyres) via users
Looks like this thread accidentally got dropped; sorry! More below. > On May 4, 2019, at 10:40 AM, Eric F. Alemany via users > wrote: > > Hi Gilles, > > Thank you for your message and your suggestion. As you suggested i tried > mpirun -np 84 - -hostfile hostsfile --mca routed direct ./open

Re: [OMPI users] error running mpirun command

2019-05-04 Thread Eric F. Alemany via users
Hi Gilles, Thank you for your message and your suggestion. As you suggested i tried mpirun -np 84 - -hostfile hostsfile --mca routed direct ./openmpi_hello.c The command hangs with no message or error message until i hit "control + z". Then i have the same error message as before. To answer

Re: [OMPI users] error running mpirun command

2019-05-03 Thread Gilles Gouaillardet via users
Eric, which version of Open MPI are you using ? how many hosts in your hostsfile ? The error message suggests this could be a bug within Open MPI, and a potential workaround for you would be to try mpirun -np 84 - -hostfile hostsfile --mca routed direct ./openmpi_hello.c You might also want to

[OMPI users] error running mpirun command

2019-05-03 Thread Eric F. Alemany via users
Hello everyone, I am new to Open MPI please forgive me for my beginner mistake. I read through the FAQ of open-mpi.org website and built a small cluster (9 nodes - including a master node). I thought i followed the instructions accordingly but i am having issue running a si