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Add login cluster only recipe #881

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Oct 30, 2023
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Add login cluster only recipe #881

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e7b33af
Add login cluster only recipe
Oglopf Oct 27, 2023
81b0894
Update source/installation/cluster-config-schema.rst
Oglopf Oct 27, 2023
332f30d
Update source/installation/cluster-config-schema.rst
Oglopf Oct 27, 2023
284a09f
remove top characters off headings
Oglopf Oct 30, 2023
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25 changes: 23 additions & 2 deletions source/installation/cluster-config-schema.rst
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Expand Up @@ -5,7 +5,6 @@ Cluster Config Schema v2

The cluster config controls many OnDemand features including job submission, shell access, names in menus.

*****************
First an example:
*****************

Expand Down Expand Up @@ -58,7 +57,6 @@ Below is the production configuration for OSC's Owens cluster.

.. _the YAML spec: http://yaml.org/spec/1.2/spec.html#id2777534

************
A Break Down
************

Expand Down Expand Up @@ -190,3 +188,26 @@ See :ref:`Disable Host Link in Batch Connect Session Card <disable-host-link-bat
.. note::

The user is responsible for providing the `%s` that is used to place the script content. If a `script_wrapper` is provided without `%s` then batch connect applications are unlikely to work properly.

Login Cluster Only
******************

Suppose you need want to create a *login cluster that does not schedule or run jobs*. It is used purely as a login/shell cluster only.

To accomplish this, you need to simply leave out the ``v2.job`` stanza that associates a scheduler with the cluster.

An example config file in ``ondemand.d/pitzer_01_login.yml``:

.. code-block:: yaml

---
v2:
metadata:
title: "Pitzer Login"
url: "https://www.osc.edu/supercomputing/computing/pitzer"
hidden: false
login:
host: "pitzer-login01.hpc.osu.edu"

Again, the thing to note here is we've left off the ``v2.job`` which renders the cluster useable only for logins, i.e.
*no jobs will be scheduleable on this cluster.*
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