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--- cluster:93 [2011/01/07 20:13]
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+++ cluster:93 [2011/01/07 20:31]
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 ====== Greentail ======
+Time to introduce our new high performance cluster ''greentail'', an HP HPC solution.  IF you want to read more about the details of the hardware, you can find it at [[https://dokuwiki.wesleyan.edu/doku.php?id=cluster:83#round_2_of_quotes|Enternal Link]]. The reference for ''greentail'' is because this cluster consumes 18-24% less power/cooling that the competing bids.  The green tail refers to the **Smooth Green Snake**, which no surprise, has a green tail.  [[http://www.ct.gov/dep/cwp/view.asp?A=2723&Q=325780|External Link]] for more information.
+In order to accommodate the new cluster, we have reduced the Blue Sky Studios cluster from 3 racks in production to a single rack.  That rack contains nothing but 24 gb memory nodes offering just over 1.1 TB of memory across 46 nodes.  Because the cluster is not power consumption friendly, it is our "on demand" cluster.  If jobs are pending in the sole ''bss24'' queue (offering 92 job slots), we will get notified and will poer on more nodes.  If it is not being used, we'll power down the nodes.  The login node for this cluster is host sharptail (which can only be reached by first ssh into host petaltail or swallowtail, then ssh to sharptail.
+The are no changes to the Dell cluster (petaltail/swallowtail).  However be sure to read the home directory section below.  It is important all users understand the impact of changes to come.
 ===== Design =====

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