I am trying to start a ipyparallel cluster using MPI.
The ipcluster_config has following lines modified as such:
c.MPILauncher.mpi_cmd = ['mpiexec']
c.MPIControllerLauncher.controller_args = ['--ip=*']
c.MPILauncher.mpi_args = ["-machinefile", "~/mpi_hosts"]
The ipcontroller_config.py is configured as such:
c.HubFactory.engine_ip = '*'
c.HubFactory.ip = '*'
c.HubFactory.client_ip = '*'
However, when I launch the cluster using command
ipcluster start --profile mpi -n 2
it fails with following message
Engines shutdown early, they probably failed to connect.
You can set this by adding "--ip='*'" to your ControllerLauncher.controller_args
Not sure how to debug further.