Completed: 18 Dec 2024, 12:00-12:15.
Workflow system maintenance. Downtime is expected to be around 15 minutes.
Completed: 10 Dec 2024, 08:30-08:45
Moodle security upgrade. Downtime should be under 5 minutes.
Completed: 6 Dec 2024, 13:30-14:00
GitLab update to 17.5.3. Expect slowdowns.
Completed: 26 Nov 2024, 11:00-12:00
GitLab update to 17.5.2. Expect slowdowns.
Completed: 22 Nov 2024, 07:30-07:50
Planned maintenance of storage servers during which networked storage may be unavailable.
Completed: 19 Nov 2024, 11:00-14:00
Apply patches and reboot active directory domain servers.
Completed: 16 Oct 2024, 12:00-13:00
Scheduled GitLab maintenance. Service will be unavailable during this time. Expected to be back online by 13:00.
Completed: 04 Oct 2024, 19:00 - 05 Oct 2024, 18:30
In order for the university to complete a critical stage of the new Schwarzman building construction, an electrical shutdown of key systems in the basement of Maths was required. Temporary alternative power arrangements were put in place, so there was no downtime required. The work was completed and power was restored ahead of schedule.
Completed: 03 Oct 2024, 21:00-21:20
The latest Zimbra and OS security updates were applied to the mail server. (This was rescheduled from 30 Sep.)
Resolved: 27 Sep 2024, 12:45-13:45
The VM cluster became overloaded, causing several core services and websites to run slowly or time out until the backlog cleared.
Resolved: 13 Sep 2024, 11:35-11:50
Nextcloud suffered an error during an upgrade and was unavailable for a short time.
Resolved: 09 Sep 2024, 22:57 - 10 Sep 2024, 08:25
One of the servers in our VM cluster suffered an outage overnight, affecting several services. It was recovered as quickly as possible in the morning.
Completed: 26 Jul 2024, 08:45-11:10
The Course Materials Hub 2023-24 courses were archived and the system prepared for the 2024-25 academic year. Last year's course materials and lecture recordings remain available in the Archive category, but problem sheet submissions and forum discussions have now been deleted.
Completed: 08 Jun 2024, 08:45-09:15
The Course Materials Hub was upgraded to Moodle 4.4.
Resolved: 28 Jun 2024, 22:30 - 29 Jun 2024, 17:00
The server room cooling system failed during Friday's scheduled work on the ROQ site electrical system, causing several key systems to shut down and resulting in a network outage. Essential systems were brought back online around 08:40. Cooling was fully restored and temperatures back to normal by mid-afternoon, and remaining compute systems returned to service by 17:00.
Resolved: 31 May 2024, 12:30-16:30
Nextcloud service experienced an upgrade error which took a long time to resolve.
Resolved: 10 May 2024, 11:00-15:30
GitLab / Git services experienced an upgrade error and were inaccessible.
Resolved: 26 Apr 2024, 09:55-10:45
An issue with a storage server caused Moodle (Courses system) and NextCloud to become inaccessible.
Resolved: 19 Apr 2024, 12:40-13:15
There was an issue with the authentication (LDAP) servers, which affected logins to multiple services.
Resolved: 06 Apr 2024, 18:25-20:05
There was an issue with the email (SMTP) server, which has now been resolved. Incoming email that was sent during the outage should be delivered soon, once the sending server retries.
