https://www.emulab.net/news.php3?protogeni=0 News items for Emulab.Net http://blogs.law.harvard.edu/tech/rss testbed-ops@flux.utah.edu testbed-ops@flux.utah.edu Thu, 17 May 2012 03:50:46 -0600 Fri, 27 Apr 2012 11:50:24 -0600 https://www.emulab.net/news.php3?single=267 https://www.emulab.net/news.php3?single=267 We're happy to announce a new feature in Emulab: joining Emulab's longstanding ability to shape network links, it's now possible to introduce delays and failures into disk I/O, allowing you to experiment with the effects of failing or heavily loaded disks. This feature is built on the Linux kernel's device mapper framework, meaning that it presents a block interface on top of which you can build any filesystem, or even other block devices such as RAID arrays. ... Fri, 27 Apr 2012 11:50:24 -0600 Robert P Ricci https://www.emulab.net/news.php3?single=266 https://www.emulab.net/news.php3?single=266 The USENIX ATC submission deadline is coming up on Tuesday and we have had a couple of requests for a large number of nodes. So if you are currently not under any urgent deadline, we would appreciate if you could free up nodes til Wednesday. ... Fri, 13 Jan 2012 21:04:16 -0700 Mike Hibler https://www.emulab.net/news.php3?single=265 https://www.emulab.net/news.php3?single=265 Took longer than expected due to a missing serial console line and a hung reboot. ... Wed, 28 Dec 2011 10:44:44 -0700 Mike Hibler https://www.emulab.net/news.php3?single=264 https://www.emulab.net/news.php3?single=264 I need to perform quick kernel+binary upgrades on boss and ops. While that may sound severe, it will only involve about 15 minutes of downtime for each. ... Tue, 27 Dec 2011 08:38:17 -0700 Mike Hibler https://www.emulab.net/news.php3?single=263 https://www.emulab.net/news.php3?single=263 Our state management daemon died around 7AM MST this morning. It should be running again and hopefully we are finally cleaned up from the power outage. Sun, 20 Nov 2011 13:41:56 -0700 Mike Hibler