On Sat, Aug 27, 2011 at 9:12 AM, Ralph Castain <r...@open-mpi.org> wrote: > OMPI has no way of knowing that you will turn the node on at some future > point. All it can do is try to launch the job on the provided node, which > fails because the node doesn't respond. > You'll have to come up with some scheme for telling the node to turn on in > anticipation of starting a job - a resource manager is typically used for > that purpose.
Hi Ralph, Are you referring to a specific resource manager/batch system?? AFAIK, no common batch systems support MPI_Spawn properly... Rayson > On Aug 27, 2011, at 6:58 AM, Rafael Braga wrote: > > I would like to know how to add nodes during a job execution. > Now my hostfile has the node 10.0.0.23 that is off, > I would start this node during the execution so that the job can use it > When I run the command: > > mpirun -np 2 -hostfile /tmp/hosts application > > the following message appears: > > ssh: connect to host 10.0.0.23 port 22: No route to host > -------------------------------------------------------------------------- > A daemon (pid 10773) died unexpectedly with status 255 while attempting > to launch so we are aborting. > > There may be more information reported by the environment (see above). > > This may be because the daemon was unable to find all the needed shared > libraries on the remote node. You may set your LD_LIBRARY_PATH to have the > location of the shared libraries on the remote nodes and this will > automatically be forwarded to the remote nodes. > -------------------------------------------------------------------------- > -------------------------------------------------------------------------- > mpirun noticed that the job aborted, but has no info as to the process > that caused that situation. > -------------------------------------------------------------------------- > mpirun: clean termination accomplished > > thanks a lot, > > -- > Rafael Braga > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > -- Rayson ================================================== Open Grid Scheduler - The Official Open Source Grid Engine http://gridscheduler.sourceforge.net/
