I see - I'll try to devise a patch for you shortly.
On Sep 7, 2011, at 10:58 AM, Blosch, Edwin L wrote: > Ralph, > > Thanks for the reply. I’m using 1.4.2. > > We have a job queueing system with a prioritization scheme where the > priorities of jobs are in part a function of the group id. This is why, for > us, it is common that the initial mpirun command executes with a group other > than the user’s default group. We also have some applications where each > process writes data to disk, and the resulting collection of output files has > mixed group permissions. This creates problems --- mostly just inconvenience > --- but I could imagine some security-conscious folks might be more concerned > about it. Also, if it’s relevant, the OpenMPI we are using is built without > support for the job-queueing system (our preference for various reasons). > > Ed > > From: Ralph Castain [mailto:r...@open-mpi.org] > Sent: Wednesday, September 07, 2011 8:53 AM > To: Open MPI Users > Subject: Re: [OMPI users] Can you set the gid of the processes created by > mpirun? > > On Sep 7, 2011, at 7:38 AM, Blosch, Edwin L wrote: > > > The mpirun command is invoked when the user’s group is ‘set group’ to group > 650. When the rank 0 process creates files, they have group ownership 650. > But the user’s login group is group 1040. The child processes that get > started on other nodes run with group 1040, and the files they create have > group ownership 1040. > > Is there a way to tell mpirun to start the child processes with the same uid > and gid as the rank 0 process? > > I'm afraid not - never came up before. Could be done, but probably not right > away. What version are you using? > > > > Thanks > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
