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.
14setgid.diff
Description: Binary data
On Sep 8, 2011, at 7:52 AM, Blosch, Edwin L wrote: > Yes, we build OpenMPI --without-torque. > > -----Original Message----- > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Reuti > Sent: Thursday, September 08, 2011 4:33 AM > To: Open MPI Users > Subject: EXTERNAL: Re: [OMPI users] Can you set the gid of the processes > created by mpirun? > > Am 08.09.2011 um 04:04 schrieb Ed Blosch: > >> Typically it is something like 'qsub -W group_list=groupB <other options> >> myjob.sh'. Ultimately myjob.sh runs with gid groupB on some host in the >> cluster. When that script reaches the mpirun command, then mpirun and the >> processes started on the same host all run with gid groupB, but any of the >> spawned processes that start on other hosts run with the user's default >> group, say groupA. >> >> It did occur to me that the launching technique might have some ability to >> influence this behavior as you indicated. I don't know what launcher is >> being used in our cases, I guess it's rsh/ssh. > > I can only make a statement for SGE that it would honor the group id for the > "built-in method" or "rsh startup method" with SGE's patched rshd, not for > ssh. > > But you are using Torque I assume, as there is no -W switch in SGE. How did > you build Open MPI then? I thought the support for Torque is available by > default without any special switch to configure in Open MPI. > > So, if the slave tasks are started by the pbs_mom, then it should also get > the set group id. As I don't use Torque I can't make any definite statement > for it. > > Are you resetting inside the job script some variables to let it run outside > Torque, i.e. without tight integration? > > -- Reuti > > >> -----Original Message----- >> From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On >> Behalf Of Reuti >> Sent: Wednesday, September 07, 2011 12:24 PM >> To: Open MPI Users >> Subject: Re: [OMPI users] Can you set the gid of the processes created by >> mpirun? >> >> Hi, >> >> you mean you change the group id of the user before you submit the job? In >> GridEngine you can specify whether the actual group id should be used for >> the job, or the default login id. >> >> Having a tight integration, also the slave processes will run with the same >> group id. >> >> -- Reuti >> >> >>> 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 >> >> >> _______________________________________________ >> 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 > > > _______________________________________________ > 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
