On 31/08/2007, Gleb Natapov <gl...@voltaire.com> wrote: > On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote: > > On 31/08/2007, Lev Givon <l...@columbia.edu> wrote: > > > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT: > > > > I have a patch for this, but I never felt a real need for it, so I > > > > never push it in the trunk. I'm not completely convinced that we need > > > > it, except in some really strange situations (read grid). Why do you > > > > need a port range ? For avoiding firewalls ? > > > > We are planning on using OpenMPI as the basis for running MPI jobs > > across a series of workstations overnight. The workstations are locked > > down so that only a small number of ports are available for use. If we > > try to use anything else its disaster. > > > > Unfortunately this is really an organizational policy above anything > > else and its very difficult to get it to change. > > > > > As workaround you can write application that will bind to all ports that > are not allowed to be used by MPI before running MPI job.
Sounds very drastic, thanks for the advice. I'll give it a go. Do you think it might be easy to add this to the source code at sometime though? Thanks for your advice guys, Si Hammond University of Warwick > > -- > Gleb. > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
