Hello everyone,

I am new to Open MPI please forgive me for my beginner mistake. I read through 
the FAQ of open-mpi.org<http://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 simple mpirun.

$ mpirun -np 84  - -hostfile hostsfile ./openmpi_hello.c

mpirun: Forwarding signal 20 to job
ORTE does not know how to route a message to the specified daemon
located on the indicated node:

  my node:   phaser-manager
  target node:  radonc-phaser01

This is usually an internal programming error that should be
reported to the developers. In the meantime, a workaround may
be to set the MCA param routed=direct on the command line or
in your environment. We apologize for the problem.

I dont understand the meaning of the error message. I can share more of my 
configuration files if someone would be interested in helping me.

Thank you in advance for your help.



Eric F.  Alemany
System Administrator for Research

Division of Radiation & Cancer  Biology
Department of Radiation Oncology

Stanford University School of Medicine
Stanford, California 94305

Tel:1-650-498-7969<tel:1-650-498-7969>  No Texting

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