Downtime
| Event | Time | Cause | Extent |
|---|---|---|---|
| April 2011 | |||
| DCU Power Down | 21st-23rd April | DCU maintenance | Network-wide |
| Kernel Updates | 5th April | Kernel Updates | Ubuntu 10.04 machines |
| March 2011 | |||
| Kernel Updates | 4th March | Kernel Updates | Unknown |
| Kernel Updates | 1st March | Kernel Updates | deathray, carbon, daniel, azazel |
| January 2011 | |||
| Kernel Updates | 13th January | "Necessary updates to C libraries" | Unknown |