ARC Upgrading Sockeye Operating System June 26 - 28, 2024

April 23, 2024

ARC will be upgrading the Sockeye System’s operating system beginning Wednesday, June 26 2024.  A scheduled three-day outage has been planned to facilitate the necessary work for this extensive upgrade.  

Sockeye will be offline during the following times:   

Start time:  9:00 AM PT, Wednesday, June 26 2024 
End time:  18:00 PM PT, Friday, June 28 2024 

Expected Impact:   

  • Sockeye Operating System upgraded from Enterprise Linux 7 (EL7) to Enterprise Linux 9 (EL9) 
  • All scheduled jobs will be deleted and must be resubmitted post-upgrade 
  • Please note:  Job scripts not updated prior to Wednesday, June 26 may not function post-upgrade 

Required User Actions: 

Sockeye users are asked to take note of the following actions before Wednesday, June 26 to ensure optimal user experience post-upgrade:   

  1. All Sockeye users need to test job scripts for compatibility  
  2. Conda and MPI users to rebuild software using ARC-supplied MPI libraries; a test environment will be made available to users who require testing 
  3. Validate host key fingerprint on SSH client – instructions here 
  4. All users, where possible, to containerize software using Apptainer to mitigate potential issues 

Adjustments must be finalized before Wednesday, June 26 to ensure a seamless transition. 

Assistance Available:   

Please contact ARC via email for assistance with adjusting job scripts, software recompilation, or if you have questions.  ARC will schedule appointments with technical staff promptly upon request.   

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