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