I found that if I put "compute-0-3" in a file (say hosts.txt) and pass that file name via --hostfile, then the error disappears.
It is interesting to know what is the difference between these two? I think it is very common to specify the nodes with --host option. Regards, Mahmood On Wed, Oct 5, 2016 at 7:52 PM, Mahmood Naderan <mahmood...@gmail.com> wrote: > Sorry about the incomplete message... > > Is there any idea about the following error? On that node, there are 15 > empty cores. > > $ /share/apps/siesta/openmpi-2.0.1/bin/mpirun --host compute-0-3 -np 2 > /share/apps/siesta/siesta-4.0-mpi201/tpar/transiesta < A.fdf > -------------------------------------------------------------------------- > There are not enough slots available in the system to satisfy the 2 slots > that were requested by the application: > /share/apps/siesta/siesta-4.0-mpi201/tpar/transiesta > > Either request fewer slots for your application, or make more slots > available > for use. > -------------------------------------------------------------------------- > > > > Regards, > Mahmood > > >
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