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.
-- Gleb.