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Add information on Rocky 9 login nodes #502

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Add information on Rocky 9 login nodes #502

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14 changes: 13 additions & 1 deletion source/leuven/wice_2_rocky9.rst
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Expand Up @@ -19,7 +19,8 @@ Important differences at the system level are listed below.
| glibc | 2.28 | 2.34 |
+-------------+------------------+---------------------+

Centrally installed modules have already been made available for Rocky 9, starting from toolchain 2021a.
Centrally installed modules have already been made available for Rocky 9 for
compute nodes that will be migrated, starting from toolchain 2021a.

.. _timing:

Expand Down Expand Up @@ -71,6 +72,17 @@ The following query can be used to look up the currently reserved nodes::
If you are not a ``vsc3*`` user and also want to test, please ask the
helpdesk to add you to the reservation.

Additionally some of the login nodes have been migrated as well. To land on a
Rocky 9 login node, you need to connect to ``login-rocky9.hpc.kuleuven.be`` (as
opposed to the ``login.hpc.kuleuven.be`` server you normally use). Note that
the ``skylake`` architecture of the current login nodes is different from the
architectures in the ``rocky9_pilot`` reservation. One consequence is that
the ``module avail`` command might not show all modules relevant to
compute jobs. The ``module spider`` command can be used as an alternative,
see :ref:`the module system on Leuven clusters <leuven_module_system>` for
background information. If you encounter inconsistencies between modules
available for Rocky 8 and Rocky 9, please contact the support team.

.. _expected impact:

Expected impact
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