Dear Reuti
 
Then what I should do? I am novice in ssh, OpenMPI. Can you direct me little bit further? I am quite confused.
Thank you
 
> From: reuti@staff.uni-marburg.de
> Date: Wed, 11 Jan 2012 12:31:07 +0100
> To: users@open-mpi.org
> Subject: Re: [OMPI users] Passwordless ssh
>
> Hi,
>
> Am 11.01.2012 um 05:46 schrieb Ralph Castain:
>
> > You might want to ask that on the Beowulf mailing lists - I suspect it has something to do with the mount procedure, but honestly have no real idea how to resolve it.
> >
> > On Jan 10, 2012, at 8:45 PM, Shaandar Nyamtulga wrote:
> >
> >> Hi
> >> I built Beuwolf cluster using OpenMPI reading the following link.
> >> http://techtinkering.com/2009/12/02/setting-up-a-beowulf-cluster-using-open-mpi-on-linux/
> >> I can do ssh to my slave nodes without the slave mpiuser's password before mounting my slaves.
> >> But when I mount my slaves and do ssh, the slaves ask again their passwords.
> >> Master and slaves' ssh directory and authorized_keys have permission 700, 600 respectively and
> >> they owned only by owner mpiuser through chown.RSA has no passphrase.
>
> it sounds like the ~/.ssh/authorized_keys on the master isn't containing its own public key (as in a plain sever you don't need it). Hence if you mount it on the slaves, it's missing again.
>
> -- Reuti
>
>
> >> Please help me on this matter.
> >>
> >> _______________________________________________
> >> users mailing list
> >> users@open-mpi.org
> >> http://www.open-mpi.org/mailman/listinfo.cgi/users
> >
> > _______________________________________________
> > users mailing list
> > users@open-mpi.org
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> _______________________________________________
> users mailing list
> users@open-mpi.org
> http://www.open-mpi.org/mailman/listinfo.cgi/users