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cluster:93 [2011/01/11 15:39]
hmeij
cluster:93 [2011/01/11 15:41]
hmeij
Line 23: Line 23:
  
   * We continually run out of disk space for our home directories.  So the new cluster had to have a large disk array on board.   * We continually run out of disk space for our home directories.  So the new cluster had to have a large disk array on board.
-  * We wanted more nodes, in fewer queues, with a decent memory footprint.+  * We wanted more nodes,  with a decent memory footprint (settled on 12 gb per node).
   * All nodes should be on an Infiniband switch.   * All nodes should be on an Infiniband switch.
   * A single queue is preferred.   * A single queue is preferred.
-  * Data (NFS) was to be served up via a secondary gigabit ethernet switch, hence not compete with administrative traffic.+  * Data (NFS) traffic was to be served up via a secondary gigabit ethernet switch, hence not compete with administrative traffic.
   * (With the HP solution we will actually route data (NFS) traffic over the infiniband switch using OFED/MPI, a practice called [[http://en.wikipedia.org/wiki/OpenFabrics_Alliance|IPoIB]])   * (With the HP solution we will actually route data (NFS) traffic over the infiniband switch using OFED/MPI, a practice called [[http://en.wikipedia.org/wiki/OpenFabrics_Alliance|IPoIB]])
   * Linux (Redhat or CentOS) as operating system.   * Linux (Redhat or CentOS) as operating system.
cluster/93.txt ยท Last modified: 2011/01/11 20:55 by hmeij