How is OMPI picking up this hostfile? It isn't being specified on the cmd line - are you running under some resource manager?
I haven't seen that confusion elsewhere, so I'm trying to understand which code path is involved - hence the questions. On Jun 19, 2013, at 6:26 AM, Riccardo Murri <riccardo.mu...@uzh.ch> wrote: > Hi, > > (colleague of OP here) > > On 19 June 2013 15:09, Ralph Castain <r...@open-mpi.org> wrote: >> I don't see a hostfile on your command line - so I assume you are using a >> default hostfile? What is in it? > > The hostfile comes from the batch system; it just contains the > unqualified host names: > > $ cat $TMPDIR/machines > nh64-1-17 > nh64-1-17 > > No problem if we modify the setup script to create the hostfile using > FQDNs instead. (`uname -n` returns the FQDN, not the unqualified host name.) > > Thanks, > Riccardo > > -- > Riccardo Murri > http://www.gc3.uzh.ch/people/rm > > Grid Computing Competence Centre > University of Zurich > Winterthurerstrasse 190, CH-8057 Zürich (Switzerland) > Tel: +41 44 635 4222 > Fax: +41 44 635 6888 > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users