Yes, I can do all of these on each node.
In 2010-03-25 04:33:24, "Jeff Squyres" <jsquy...@cisco.com> wrote : >Can you mpirun non-MPI applications, like "hostname"? I frequently run this >as a first step to debugging a wonky install. For example: > >shell$ hostname >barney >shell$ mpirun hostname >barney >shell$ cat hosts >barney >rubble >shell$ mpirun --hostfile hosts hostname >barney >rubble >shell$ > > >On Mar 24, 2010, at 4:28 PM, haoanyi wrote: > >> Hi, >> >> I installed OpenMPI1.4.1 as a non-root user on a cluster. It is totally OK >> when I run with mpirun or mpiexec on one single node for many processes. >> However, when I lauch many processes on multiple nodes, I can observe jobs >> are distributed to those nodes (by using "top"), but all the jobs just hang >> there and cannot finish. >> >> I think the nodes use TCP to communicate with each other. This cluster also >> provides MPICH2, which was configured by the sys admin., and has no problem >> to do node communication in MPICH2. Besides, I read from some posts, which >> says this may be caused by TCP firewall. Since I have no root's right, and I >> don't know what shall request the admin. to do to fix this problem. So, can >> you tell me how to do that either by the admin root or by the non-root user >> (if possible)? >> >> Thank you very much. >> Hao >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > >-- >Jeff Squyres >jsquy...@cisco.com >For corporate legal information go to: >http://www.cisco.com/web/about/doing_business/legal/cri/ > > >_______________________________________________ >users mailing list >us...@open-mpi.org >http://www.open-mpi.org/mailman/listinfo.cgi/users