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Add Open Cluster Scheduler (fka SGE) support to documentation #13450

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14 changes: 13 additions & 1 deletion docs/launching-apps/gridengine.rst
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Expand Up @@ -3,7 +3,8 @@ Launching with Grid Engine

Open MPI supports the family of run-time schedulers including the Sun
Grid Engine (SGE), Oracle Grid Engine (OGE), Grid Engine (GE), Son of
Grid Engine, and others.
Grid Engine, Open Cluster Scheduler (OCS), Gridware Cluster Scheduler (GCS)
and others.

This documentation will collectively refer to all of them as "Grid
Engine", unless a referring to a specific flavor of the Grid Engine
Expand Down Expand Up @@ -102,6 +103,10 @@ look like:
.. note:: For very old versions of Sun Grid Engine, omit
``accounting_summary`` too.

.. note:: For Open Cluster Scheduler / Gridware Cluster Scheduler it is
necessary to set ``ign_sreq_on_mhost`` (ignoring slave resource requests
on the master node) to ``FALSE``.

You may want to alter other parameters, but the important one is
``control_slaves``, specifying that the environment has "tight
integration". Note also the lack of a start or stop procedure. The
Expand Down Expand Up @@ -143,6 +148,13 @@ configuration instructions can be found at `the Son of GridEngine
configuration how-to site
<http://arc.liv.ac.uk/SGE/howto/sge-configs.html>`_.

An actively developed (2024, 2025) open source successor of Sun Grid Engine is
`Open Cluster Scheduler <https://github.com/hpc-gridware/clusterscheduler>`_.
It maintains backward compatibility with SGE and provides many new features.
An MPI parallel environment setup for OpenMPI is available in
`the Open Cluster Scheduler GitHub repository
<https://github.com/hpc-gridware/clusterscheduler/tree/master/source/dist/mpi/openmpi>`_.

Grid Engine tight integration support of the ``qsub -notify`` flag
------------------------------------------------------------------

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