https://www.isi.deterlab.net/news.php3 News items for isi.deterlab.net http://blogs.law.harvard.edu/tech/rss testbed-ops@isi.deterlab.net testbed-ops@isi.deterlab.net Sat, 04 Feb 2012 10:11:53 -0800 Wed, 01 Feb 2012 19:40:38 -0800 https://www.isi.deterlab.net/news.php3?single=169 https://www.isi.deterlab.net/news.php3?single=169 This is more than an order of magnitude improvement. Also, all Berkeley switches are HP Procurves. Wed, 01 Feb 2012 19:40:38 -0800 Brian Shiratsuki https://www.isi.deterlab.net/news.php3?single=168 https://www.isi.deterlab.net/news.php3?single=168 Boss is reporting that one of the memory DIMMs is failing. I will be shutting down boss tonight to swap the module out. ... Sat, 21 Jan 2012 19:03:03 -0800 John Hickey https://www.isi.deterlab.net/news.php3?single=166 https://www.isi.deterlab.net/news.php3?single=166 All experimental switches at ISI are now connected to a single HP 5412 switch using a pair of 10Gbe interfaces for each of the 6 experimental 5412 switches. This is a major upgrade over our previous experimental topology at ISI which was only partially 10Gbe. ... Sat, 14 Jan 2012 02:34:34 -0800 John Hickey https://www.isi.deterlab.net/news.php3?single=165 https://www.isi.deterlab.net/news.php3?single=165 As the final part of the ISI switch upgrade, I will be replacing the Nortel stack that currently supports the experimental interfaces of the pc3000 machines. Additionally, I will be switching our network topology to a star topology with 20 Gbit interconnects. ... Wed, 11 Jan 2012 23:06:34 -0800 John Hickey https://www.isi.deterlab.net/news.php3?single=164 https://www.isi.deterlab.net/news.php3?single=164 I will be replacing the Cisco 6509 that is currently functioning as the control network switch for the pc2133 and NetFPGA machines Monday afternoon. The nodes will be unavailable during the upgrade and any experiments using them will be swapped out. Fri, 16 Dec 2011 14:58:09 -0800 John Hickey