Brian McNally <bmcna...@uw.edu> writes: > Hello Open MPI community, > > I'm running the openmpi 1.5.3 package as provided by Redhat Enterprise > Linux 6, along with SGE 6.2u3. I've discovered that under RHEL 5 orted > gets spawned via qrsh and under RHEL 6 orted gets spanwed via > SSH. This is happening in the same cluster environment with the same > parallel environment setup. I want orted to get spawned via qrsh > because we impose memory limits if a job is spawned through SSH.
[I'd have thought you'd want qrsh to get tight integration regardless.] > I cannot determine WHY the behavior is different from RHEL 5 to RHEL > 6. In the former I'm using the openmpi 1.4.3 package, in the latter > I'm using openmpi 1.5.3. Both are supposedly built to support the > gridengine ras. See the release notes for 1.5.4. The workaround I was given is plm = ^rshd Does "the same parallel environment setup" mean mixing 1.4 and 1.5? I thought they weren't binary compatible.