Why is my PBS Professional scheduler failing SPMD validation for the built-in profile?

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MathWorks Support Team
回答： MathWorks Support Team 2014-3-18
I am attempting to validate my PBS Professional scheduler built-in profile through MATLAB, but it is failing on the SPMD Job Test.
After reviewing the Job log file, which is located in the Job Storage Location, I found an error referencing rsh:
Starting SMPD on node1 node2 node3 ...
pbs_remsh node1 "$matlab/bin/mw_smpd" -s phrase MATLAB -port 26242
connect to address xxx.xx.xxx.xx port 544: Connection refused
connect to address xxx.xx.xxx.xx port 544: Connection refused
trying normal rsh (/usr/bin/rsh)
node1: Connection refused
Launching smpd failed for node: node 1

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采纳的回答

MathWorks Support Team
The error was due to the fact that the shared profile for PBS Professional uses rsh by default.  
It is possible to modify the PBS Professional built-in profile to use SSH by modifying the "ADDITIONAL PBSPRO PROPERTIES" and changing the:
Remote shell command to call on UNIX when running communicating jobs
RshCommand : SSH

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