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Subject: [OMPI users] Fwd: Open MPI can't launch remote nodes via SSH
From: ÖÜÎÄƽ (zhouwenping_at_[hidden])
Date: 2013-12-10 06:49:22


---------- Forwarded message ----------
From: ÖÜÎÄƽ <zhouwenping_at_[hidden]>
Date: 2013/12/10
Subject: Open MPI can't launch remote nodes via SSH
To: devel <devel_at_[hidden]>

I am trying to set up Open MPI between a few machines on out network. Open
MPI works fine locally, but I just can't get it to work on a remote node. I
can ssh into the remote machine (without password) just fine, but if I try
something like

mpiexec -n 2 -H node1,node2 /usr/local/mpihouse/MPIDemo

then the ssh connection just endless waiting ,no result,no error reports!!!