Afraid I'm no OpenSSH expert, but it sounds like there is an issue with its configuration. Check out the OpenSSH config options to see if something fits.
I did a quick search and found this, as an example:
http://mah.everybody.org/docs/ssh
Note the need to run ssh-agent to cache login credentials.
On Feb 6, 2012, at 5:05 PM, James Torossian wrote:
> Hi all,
> I am trying to setup Open-MPI across two Windows 7 machines with UAC disabled ……
>
> Cygwin with OpenSSH is installed, and I can successfully ssh to each machine without entry of username and password:
>
> JimT_at_JimT-PC ~
> $ ssh NanoOneQuad
> Last login: Tue Feb 7 01:42:02 2012 from jimt-pc
>
> JimT_at_NanoOneQuad ~
> $
>
> Regardless of this, mpirun insists on asking for a username and password; then asks to save credentials, but if selected, responds with not implemented. If saving credentials is not selected, then I can see that the task starts on the other machine (in task manager) and that the task runs to completion OK:
>
> JimT_at_JimT-PC ~
> $ mpirun -H NanoOneQuad ipconfig.exe
> connecting to NanoOneQuad
> username:JimT
> password:**************
> Save Credential?(Y/N) y
> [JimT-PC:03784] This feature hasn't been implemented yet.
>
> JimT_at_JimT-PC ~
> $ mpirun -H NanoOneQuad ipconfig.exe
> connecting to NanoOneQuad
> username:JimT
> password:**************
> Save Credential?(Y/N) n
>
> JimT_at_JimT-PC ~
> $
>
> Please let me know what I have missed. I have gone through the FAQs and have rebuilt the windows version but can’t seem to get past this.
>
> Thanks and best regards,
> Jim
>
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