Update Tue Dec 22 15:30:00 MST:

       Checkers cluster is back in production.

Tue Dec 22 09:00:00 MST:                                                   
      There will be an scheduled outage on checkers cluster in order to      
      effect changes to the network file system.                             
      Jobs that can not finish before this outage will not be started        
      till after the outage is complete.