The two are synonyms for each other - they resolve to the identical variable, so there isn't anything different about them.

Not sure what the issue might be, but I would check for a typo - we don't check that mca params are spelled correctly, nor do we check for params that don't exist (e.g., because you spelled it wrong).


On Sep 12, 2011, at 3:03 PM, Blosch, Edwin L wrote:

I have a hello world program that runs without prompting for password with plm_rsh_agent but not with orte_rsh_agent, I mean it runs but only after prompting for a password:
 
<path>/bin/mpirun --machinefile mpihosts.dat -np 16 -mca plm_rsh_agent /usr/bin/rsh ./test_setup
 
Hello from process            2
Hello from process            5
Hello from process           12
Hello from process            6

Hello from process            0

Hello from process            4
Hello from process            3
Hello from process            7
Hello from process           14
Hello from process            8
Hello from process            1
Hello from process            9
Hello from process     &n bsp;     10
Hello from process           11
Hello from process           13
Hello from process           15
 
<path>bin/mpirun --machinefile mpihosts.dat -np 16 -mca orte_rsh_agent /usr/bin/rsh./test_setup
bloscel@f8312's password:        
 
I didnít notice anything about this in the FAQ except that orte_rsh_agent is newer than plm_rsh_agent.  Did I miss some critical piece of information?  Why do these options behave differently?
 

Thanks

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