Downtime

Time	Cause	Extent
August 2011
21st	Reboot due to unknown cause.	Azazel
June 2011
4th-7th	Air-conditioning malfunction.	Everything apart from Azazel and Deathray.
April 2011
21st-23rd April	DCU Maintenance	Network-wide
5th April	Kernel Updates	Ubuntu 10.04 machines
March 2011
4th March	Kernel Updates	Unknown
1st March	Kernel Updates	deathray, carbon, daniel, azazel
January 2011
13th January	"Necessary updates to C libraries"	Unknown
November 2010
11th-14th November	Hub Power Upgrade	Network-wide
30th October-3rd November	Hub Power Testing	Network-wide
October 2010
30th October-3rd November	Hub Power Testing	Network-wide
4th October	Air-Conditioning Failure	data, daniel, carbon
August 2010
12th-26th August	Messy Downtime	Network-wide
February 2010
5th February	User File Move To Faster Storage	Network-wide
December 2009
7th December	Kernel Upgrades	"IRC and other services"
November 2009
22nd-23rd November	Failure to restart after ISS downtime	Network-wide
October 2009
23rd October	Kernel Upgrades	Network-wide
1st October	Switch Upgrades	Network-wide
September 2009
26th-27th September	DCU Bandwidth Upgrades	Network-wide
19th September	Moving Services from carbon to morpheus	carbon and morpheus
August 2009
14th August	Kernel Vulnerabilities	Network-wide
July 2009
30th July	Kernel Upgrades	Network-wide
18th July	Power Cut	Network-wide
April 2009
16th April	Kernel Upgrades	Network-wide
10th April	Transformer Maintenance	Network-wide
March 2009
23rd March	Upgrade to Redbrick-CSD Fiber Link	Network-wide
17th March	Moving Services to morpheus	IRC server and morpheus