Please see http://www.open-mpi.org/faq/?category=rsh#ssh-keys
On Jul 6, 2011, at 5:09 PM, Mohan, Ashwin wrote: > Hi, > > I use the following command (mpirun --prefix /usr/local/openmpi1.4.3 -np 4 > hello) to successfully execute a simple hello world command on a single node. > Each node has 4 slots. Following the successful execution on one node, I > wish to employ 4 nodes and for this purpose wrote a hostfile. I submitted my > job using the following command: > > mpirun --prefix /usr/local/openmpi1.4.3 -np 4 --hostfile hostfile hello > > Copied below is the output. How do I go about fixing this issue. > > ********************************************************************** > > amohan@myocyte48's password: amohan@myocyte47's password: > Permission denied, please try again. > amohan@myocyte48's password: > Permission denied, please try again. > amohan@myocyte47's password: > Permission denied, please try again. > amohan@myocyte47's password: > Permission denied, please try again. > amohan@myocyte48's password: > > Permission denied (publickey,gssapi-with-mic,password). > -------------------------------------------------------------------------- > A daemon (pid 22085) 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 was unable to cleanly terminate the daemons on the nodes shown > below. Additional manual cleanup may be required - please refer to > the "orte-clean" tool for assistance. > -------------------------------------------------------------------------- > myocyte47 - daemon did not report back when launched > myocyte48 - daemon did not report back when launched > > ********************************************************************** > > Thanks, > Ashwin. > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users