Please see: http://www.open-mpi.org/faq/?category=rsh#ssh-keys
short answer: you need to be able to ssh to the remote hosts without a password On Apr 11, 2014, at 1:09 AM, Lubrano Francesco <lubrano.france...@spes.uniud.it> wrote: > Dear MPI users, > I have a problem with open-mpi (version 1.8). > I'm just beginning to undestand how mpi works and I can't find solution of my > problem on FAQ page. > I have two machines (a local host and a remote host) with linux open-suse > (latest version) and open-mpi 1.8 > I can run open-mpi jobs on both machines from theirself (in a "local" way). > I have not connections problem: ssh from the first to the second works > correctly and I can run programs on remote machine. > If I run a simple non mpi program on the remot host from the local one, it > doesnt' work. I think it is a buffer pointer problem (status 1). I didn't > change open-mpi settings and PATH is correct. I have just one open-mpi > versione on both of them. Open-mpi doesn't show any error: just return to the > local machine. > I can also request to run a false program: it does not change. on the > terminal I can read > > francesco@linux-hldu:~> mpirun -host Frank@158.110.39.110 hostname > Password: > francesco@linux-hldu:~> > > If I request debug, the result is: > > francesco@linux-hldu:~> mpirun -d --host Frank@158.110.39.110 hostname > [linux-hldu.site:02537] sess_dir_finalize: job session dir not empty - leaving > [linux-hldu.site:02537] procdir: > /tmp/openmpi-sessions-francesco@linux-hldu_0/33429/0/0 > [linux-hldu.site:02537] jobdir: > /tmp/openmpi-sessions-francesco@linux-hldu_0/33429/0 > [linux-hldu.site:02537] top: openmpi-sessions-francesco@linux-hldu_0 > [linux-hldu.site:02537] tmp: /tmp > Password: > [linux-o5sl.site:04273] sess_dir_finalize: job session dir not empty - leaving > [linux-o5sl.site:04273] procdir: > /tmp/openmpi-sessions-Frank@linux-o5sl_0/33429/0/1 > [linux-o5sl.site:04273] jobdir: > /tmp/openmpi-sessions-Frank@linux-o5sl_0/33429/0 > [linux-o5sl.site:04273] top: openmpi-sessions-Frank@linux-o5sl_0 > [linux-o5sl.site:04273] tmp: /tmp > [linux-o5sl.site:04273] sess_dir_finalize: job session dir not empty - leaving > exiting with status 1 > [linux-hldu.site:02537] sess_dir_finalize: job session dir not empty - leaving > exiting with status 1 > > Do you understand where is the problem? How can I get more information? > Thank you for your cooperation > > regards > > Francesco > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
