[mpich-discuss] MPICH SSH?

[Reuti]

Hi,

Am 06.03.2010 um 15:30 schrieb Peter Smith:

> I have installed and configured MPICH2 version 1.2.1p1 in a test
> environment with one master and three worker nodes. I am new to MPICH
> and therefore i have used different tutorials on the net to configure
> the package. Everything seems to function correctly, when submitting
> the example program from the "Example program" section at
> http://en.wikipedia.org/wiki/Message_Passing_Interface i get the
> expected responses (i think). Passwordless SSH is configured on all
> machines as descriped in many of tutorials. If i disable SSH on the
> cluster, everything is still functional, i get the same responses from
> the example program and if i log into the worker nodes i can see the
> program being run in the task list. I dont understand why MPICH can
> still function when SSH is disabled?

did you disable it after starting all the daemons?

-- Reuti


> I still have a lot of reading on the subject to understand the
> technology, but i thougt that i was pretty clear on that MPICH needed
> SSH to function?
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