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 ===== Update 2021 Overview ===== ===== Update 2021 Overview =====
  
-The cluster is being updated to Ubuntu 20.04. Along with the OS update comes several changes to the way the cluster works. This page summarizes those changes. Workshops will be held in June and July of 2021 to discuss these changes in detail. +The cluster is being updated to Ubuntu 20.04. Along with the OS update comes several changes to the way the cluster works. This page summarizes those changes. Workshops were held in June and July of 2021 to discuss these changes in detail. 
  
 Rather than shutting the cluster down and doing the upgrade in one swell foop, we are providing a new cluster (with a new login node) already upgraded to Ubuntu 20.04 "Focal Fossa". You can move to the new cluster when it is convenient (although you will have to move in the near future - defined as the next 3-4 months). Rather than shutting the cluster down and doing the upgrade in one swell foop, we are providing a new cluster (with a new login node) already upgraded to Ubuntu 20.04 "Focal Fossa". You can move to the new cluster when it is convenient (although you will have to move in the near future - defined as the next 3-4 months).
  
-The new cluster currently has 6 brand new compute nodes to which you can submit jobs using slurm as usual. These 6 nodes each have:+** From September 6th no new jobs will be allowed on the old cluster. Jobs which are already running on that date will be allowed to continue running, but the old cluster now has a 30-day time limit on all queues. ** 
 + 
 +Most of the old cluster nodes have now been moved to the new cluster. The new cluster includes 6 brand new compute nodes to which you can submit jobs using slurm as usual. These 6 nodes each have:
    
  
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 ==== Environment Modules ==== ==== Environment Modules ====
  
-Environment modules allow you to control which software (and which version of that software) is available in your environment. For instance the new cluster has 4 different version of standard R installed: 3.5.3+Environment modules allow you to control which software (and which version of that software) is available in your environment. For instance the new cluster has 4 different versions of standard R installed: 3.5.3
 , 3.6.3, 4.0.5, 4.1.0. When you first log in and try to run R the OS will respond with "command not found". To activate R in your environment you would type: , 3.6.3, 4.0.5, 4.1.0. When you first log in and try to run R the OS will respond with "command not found". To activate R in your environment you would type:
  
update_2021_overview.1624998225.txt.gz · Last modified: 2021/06/29 16:23 by root

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