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cluster:122 [2013/10/01 14:07] hmeij [Workshop and Q&A Fall 2013] |
cluster:122 [2013/10/01 14:27] hmeij |
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* petaltail (Dell) a dev/test box (go ahead, crash& | * petaltail (Dell) a dev/test box (go ahead, crash& | ||
* does some backup | * does some backup | ||
- | | + | |
- | * to become file server | + | * to become file server |
+ | * whitetail | ||
+ | * access to Hadoop | ||
* Queues! We have ... | * Queues! We have ... | ||
- | * | + | * [[cluster: |
+ | |||
+ | * 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: | ||
+ | |||
+ | * | ||
+ | |||
+ | |||
\\ | \\ | ||
**[[cluster: | **[[cluster: | ||