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In order to provide a modern environment and apply performance, security and bug fixes we will be changing the operating system and batch system on the 21st 28th and 22nd 29th of August.

  • Castor and Deneb will be upgraded to RedHat 7 and Fidis will receive updates.
  • On Castor, Deneb and Fidis the SLURM batch system will be upgraded to version 17.02.5

To allow the preparation of these updates approximately 20% of the nodes in Castor and Deneb will be unavailable in the period running up to the 21st 28th of August.


Deneb Scratch

During the principal maintenance period (10th to 19th of July) we will be making major changes to Deneb's scratch filesystem to ensure its reliability and performance.

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During the maintenance period in August (21st 28th and 22nd29th) the next release of our software stack will be promoted to stable.

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If you compile code now using "Future" it is not impossible that it will need to be recompiled after the 22nd 29th of August as, although the software release is the same, the underlying operating system will be different.

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To use what is now the stable release after the 22nd 29th of August you will need to change to the 'deprecated' release before loading any modules:

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