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**[[cluster:0|Back]]**

==== Workshop and Q&A Fall 2013 ====

  * Clusters! We have ...
    * [[cluster:120|New Configuration]]

  * Tails! We have ...
    * greentail (HP) primary login node and scheduler (do not run long running programs on it)
      * current file server, to be backup file server
    * swallowtail (Dell) secondary login node and scheduler (do not run long running programs on it)
      * does some backup
    * petaltail (Dell) a dev/test box (go ahead, crash&burn programs ...)
      * does some backup
    * sharptail (Microway) no logins
      * to become file server
    * whitetail
      * access to Hadoop

  * Queues! We have ...
    * [[cluster:108|Our Queues]]

  * New file server!
    * sharptail will take over serving /home from greentail
    * greentail will become a backup server (but remain as primary login head node)
    * disk-to-disk backups from array to array will safe guard data
    * greentail will server /sanscratch to all nodes but sharptail will serve /sanscratch to n33-n37
      * 10 TB in total for scratch, use it

  * Downtime!
    * one day, between fall and christmas break
    * switch file servers, remount /home
    * some other maintenance activities
    * queues need to idle
    * final sync of data from greentail to sharptail

  * Hadoop!
    * [[cluster:115|Use Hadoop Cluster]] 

  * GPU-HPC!
    * [[cluster:119|Submitting GPU Jobs]]

  * What's Coming!
    * Perhaps replacement hardware for the Dell cluster
    * More powerful servers, much greener, perhaps fewer job slots
    * A physical plant/ITS venture ...

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**[[cluster:0|Back]]**
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