Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] Job hangs when daemon does not report back from remote machine
From: Kersey Black (kblack_at_[hidden])
Date: 2009-02-09 15:29:17


Thanks much for all the help.
I will work to wall things off, but as the means of doing that is not
obvious with the way the network is configured, I will also be
watchful for new versions which might provide options for this
situation.

Cheers, Kersey

On Feb 10, 2009, at 2:54 AM, Ralph Castain wrote:

> The default launcher is ssh - the "rsh" things you see are the name
> of the particular component, not the name of the actual command
> being used. That launcher looks for "ssh" first, and then falls back
> to "rsh" if ssh isn't found.
>
> OMPI currently doesn't support restricted port ranges. We are
> working on a new release that does, but it won't be out for a few
> weeks. Until that time, my only suggestion would be to look at
> removing the firewall on every node in favor of a firewall on the
> outside of the cluster. I'm not sure any other solution is available
> just yet.
>
> Ralph
>