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The University of Arizona

D2L Incident: Slowness and Freezes

Beginning at 5:00 p.m. on February 19th, users working in D2L may have experienced slow performance and freezes while attempting to access course materials such as Quizzes, Discussions, etc. This was determined to be a problem in the University's network and UITS was able to resolve the problem at 3:15 p.m. on February 21st.

Date: 
Wednesday, February 19, 2014 - 5:00pm to Friday, February 21, 2014 - 3:15pm

D2L Purge/Archive: Fall & Winter 2011

D2L course sites underwent a purge/archive process starting at 6:30 p.m. on February 24th. This process was completed without any interruption in service.

  • Course Materials & Design Elements from Fall and Winter session course sites older than two years were moved from the main D2L system to an archival area. The semesters affected were:

Fall 2011 & Winter 2011-2012

Date: 
Monday, February 24, 2014 - 6:30pm

D2L Incident: Intermittent Service Interruption

From 12:15 p.m. to 2:15 p.m. on January 19th, D2L, along with many other web services on campus, experienced intermittent disruptions in service. D2L specifically suffered a Denial of Service attack as someone on the outside flooded D2L servers with requests, overwhelming their capacity to respond to legitimate requests.

Date: 
Sunday, January 19, 2014 - 12:15pm to 2:15pm

D2L Incident: Online Rooms

From 5:30 p.m. to 8:15 p.m. on March 12th, users may have experienced problems joining an Online Rooms session or creating a new Online Room. This problem occurred within the vendor's (Blackboard Collaborate) network. This impacted ONLY Online Rooms in D2L. The rest of D2L remained operational during this time.

Date: 
Wednesday, March 12, 2014 - 5:30pm to 8:15pm

Scheduled Downtime for File Server Data Migration

D2L was unavailable from Friday, March 21st, at 10:00 p.m. until 7:00 a.m. Saturday, March 22nd while a data migration was performed to enhance the stability and reliability of the D2L system. This maintenance ran one hour past the 6:00 a.m. scheduled time that was posted to the news section of the D2L My Home page. All work was completed successfully and D2L was operating normally after the completion of the maintenance.

 

Date: 
Friday, March 21, 2014 - 10:00pm to Saturday, March 22, 2014 - 7:00am

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