On Sep 14, 2011, at 9:39 AM, Blosch, Edwin L wrote: > Thanks, Ralph, > > I get the failure messages, unfortunately: > > setgid FAILED > setgid FAILED > setgid FAILED > > I actually had attempted to call setgid from within the application > previously, which looks similar to what you've done, but it failed. That was > when I initiated the post to the mailing list. My conclusion, a guess really, > was that Linux would not let me setgid from within my program because I was > not root.
I was afraid of that - the documentation seemed to indicate that would be the case, but I figured it was worth a quick try. Sorry I can't be of help. > > > -----Original Message----- > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Ralph Castain > Sent: Wednesday, September 14, 2011 8:15 AM > To: Open MPI Users > Subject: Re: [OMPI users] EXTERNAL: Re: Can you set the gid of the processes > created by mpirun? > > The attached should set the gid of the remote daemons (and their children) to > the gid of mpirun. No cmd line option or anything is required - it will just > always do it. > > Would you mind giving it a try? > > Please let me know if/how it works. > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users