* 2011-10-20T12:54:28  system unresponsive, nothing displayed on console, power cycled by gavin
 * 2011-11-03T17:35     system unresponsive, nothing displayed on console, power cycled by CZW
 * 2011-11-04T01:05  same as above. cycled by Mark
 * 2011-11-04T20:30 same as above, nothing extreme shown on ganglia. cycled by Mark
 * 2011-11-04T21:30 again
 * 2011-11-07T18:00  same as above. cycled by Mark