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

  * Jobs can be submitted from any node.
  * ''cottontail'' is primary scheduler login node.
  * You can login in to any **tail** node directly (via ssh).
  * All nodes are CentOS 6.x with some exceptions noted.

==== Test Queue ====

  * Wall time (CPULIMIT) has been removed (was 8 hrs/job)
  * Job slots raised to 48, is comprised of
    * ''greentail'' our /sancratch provider and redhat 5.5
    * ''cottontail2'' physically identical to ''greentail'' for fail over
      * standby scheduler master for ''cottontail''
    * ''swallowtail'' secondary login node
    * ''petaltail'', sandbox and Warewolf provisioning node
    * ''n29'' and ''n31'', our OpenHPC test cluster compute nodes, CentOS 7.3
      * joined to our Openlava environment
 
You can target individual nodes with '#BSUB -m node-name' in your submit script.


==== DR ====

  * ''sharptail2dr'' is our disaster recovery node (to back up ''sharptail'''s /home)
  * Every couple of days users' /home will be refreshed on this DR node
  * 17TB of usable storage
  * Users selected for first or refresh backup are obtained from job submission logs last 30 days
  * No logins are permitted
  * Node will eventually be moved to Freeman DR location
  * If users become inactive, backup home directory will not be removed (while space is available)
  * vlan52 bonded interfaces (2G connection)


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