My bad - I thought you were talking about the 1.5 series :-(
orte_rsh_agent does not exist in the 1.4 series. Check "ompi_info --param plm rsh" and you'll see that it isn't there.
So plm_rsh_agent is picking up your request. The other cmd line blissfully ignores the orte_rsh_agent param.
On Sep 13, 2011, at 10:36 AM, Blosch, Edwin L wrote:
> Ralph, Reuti,
>
> There are no typos, except in my post itself where I clipped out a few arguments.
>
> I just repeated the exercise this morning, exactly like this:
>
> <path>/bin/mpirun --machinefile mpihosts.dat –np 16 –mca orte_rsh_agent /usr/bin/rsh –x MPI_ENVIRONMENT=1 ./test_setup
>
> It prompts for a password.
>
> Then I hit the “up” arrow key to bring the command back, and I type over “orte” and replace with “plm”:
>
> <path>/bin/mpirun --machinefile mpihosts.dat –np 16 –mca plm_rsh_agent /usr/bin/rsh –x MPI_ENVIRONMENT=1 ./test_setup
>
> This time it does not prompt for a password.
>
> I can reverse the order, it doesn’t change the behavior: the “orte” one prompts for a password but the “plm” one doesn’t.
>
> They must not be wholly identical, somehow. This is OpenMPI 1.4.3.
>
> Ed
>
>
> From: users-bounces_at_[hidden] [mailto:users-bounces_at_[hidden]] On Behalf Of Ralph Castain
> Sent: Monday, September 12, 2011 7:43 PM
> To: Open MPI Users
> Subject: EXTERNAL: Re: [OMPI users] Question on using rsh
>
> 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_at_f8312's password:
>
> I didn’t 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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