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Subject: Re: [OMPI users] UC Permission denied, please try again.
From: Syed Ahsan Ali (ahsanshah01_at_[hidden])
Date: 2012-08-03 11:43:47


Dear Reuti

Platform Cluster Manager PCM was used to build cluster, I am not familiar
with the queuing system, However ssh works between the nodes without
paraphrase and between master nodes as other compute nodes, the problem is
with one node

On Thu, Aug 2, 2012 at 9:07 PM, Reuti <reuti_at_[hidden]> wrote:

> Am 02.08.2012 um 17:57 schrieb Syed Ahsan Ali:
>
> > Yes all the compute nodes are NFS mounted with the master node, so
> everthing is same, all other nodes are accessible on ssh without password.
>
> Are you using a queuing system?
>
> SSH could be setup to work from the master node without passphrase, but
> not between the nodes.
>
> -- Reuti
>
> > On Thu, Aug 2, 2012 at 1:09 PM, John Hearns <hearnsj_at_[hidden]>
> wrote:
> > On 02/08/2012, Syed Ahsan Ali <ahsanshah01_at_[hidden]> wrote:
> > > Yes the issue has been diagnosed. I can ssh them but they are asking
> for
> > > passwords
> >
> > You need to configure 'passwordless ssh'
> >
> > Can we assume that your home directory is shared across all cluster
> nodes?
> > That means when you log into a cluster node the directory which is
> > your Unix 'home directory' has exactly the same files as on the
> > cluster head node?
> >
> > Then you need to configure passwordless ssh
> > Use this as a starting point:
> > http://www.open-mpi.org/faq/?category=rsh#ssh-keys
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
> >
> >
> >
> > --
> > Syed Ahsan Ali Bokhari
> > Electronic Engineer (EE)
> >
> > Research & Development Division
> > Pakistan Meteorological Department H-8/4, Islamabad.
> > Phone # off +92518358714
> > Cell # +923155145014
> >
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users
>

-- 
Syed Ahsan Ali Bokhari
Electronic Engineer (EE)
Research & Development Division
Pakistan Meteorological Department H-8/4, Islamabad.
Phone # off  +92518358714
Cell # +923155145014