Blackboard Scheduled Uptime
Below is a detailed listing of both scheduled and unscheduled Blackboard outages over the last several months. An unscheduled outage is one occurring with less than 24 hours’ notice and outside the normal Blackboard maintenance window (2 to 4 a.m. Wednesday).
October 2009
October 23: VA Datacenter maintenance with no downtime.
September 2009
September 7: Undiagnosed causes requiring services restarts (unscheduled).
4:15 - 4:24 PM
10:14 - 10:33 PM
September 8: Undiagnosed causes requiring services restarts (unscheduled).
10:24 - 10:28 AM
5:08 - 5:51 PM
9:14 - 9:41 PM
10:16 - 10:41 PM
11:04 - 11:43 PM
September 9: Undiagnosed causes requiring services restarts (unscheduled).
10:45 - 11:11 AM
11:38 - 12:15 AM
4:36 - 5:01 PM
10:14 - 10:30 PM
10:51 - 11:15 PM
September 10: Undiagnosed causes requiring services restarts (unscheduled).
11:36 AM - 12:05 PM
10:54 - 11:11 PM
September 10: Installation of Oracle patches and additional code pushes (scheduled).
12:01 - 3:49 AM
September 14: Undiagnosed causes requiring services restarts (unscheduled).
7:30 PM - 8:30 PM
September 19: Installation of Oracle patches and additional code pushes (scheduled).
6:00 AM - 7:30 AM
September 23: Undiagnosed causes requiring services restarts (unscheduled).
2:29 PM- 2:47 PM
August 2009
August 24: 3 to 3:30 p.m. Poor performance due to currently undiagnosed causes (unscheduled).
August 25: 12:19 to 12:37 p.m. Poor performance due to currently undiagnosed causes (unscheduled).
August 26: Approximately 4:30 to 8:30 p.m. Some user disruption because third application server added to load balancer without adequate preparation. Service was not down, but many users experienced problems. (unscheduled).
August 28: 1 to 1:30 a.m. Third application server added to Managed Hosting configuration (scheduled).
July 2009
July 17: 12:23 to 3:45 p.m. Network issues at the Bb data center (unscheduled).
June 2009
No outages to report.
May 2009
May 3: 8:30 a.m. to 9:30 p.m. Network issues at Bb data center (unscheduled).
May 22: 3 to 8 a.m. Data center hardware upgrade (scheduled).
April 2009
No outages to report.
March 2009
March 19: 12:30 to 4:30 a.m. Scheduled database maintenance.
February 2009
No outages to report.
January 2009
January 7: 2 to 3 a.m. Emergency maintenance
(scheduled, but less than 24 hours’ notice)
January 12: 9:51 to 9:59 a.m. Network issue (unscheduled)
January 13: 7:28 to 10:14 a.m. Network issue (unscheduled)
January 30: 2 to 6 a.m. Modify server certificates (scheduled)
December 2008
December 20 to 22: 12:01 a.m. to 10:30 p.m. (scheduled)
November 2008
November 9: 2 to 11:30 a.m. Expired LDAP password
November 13: 12:30 to 8:30 a.m. Access control list for LDAP changed by Network Services, blocking ASP’s ability to authenticate.
November 15: 8 a.m. to 1:30 p.m. Access control list for LDAP changed by Network
Services, blocking ASP’s ability to authenticate.
November 24: 9:15 to 10:30 a.m. Database performance issues.
1:54 to 2:11 p.m. Database performance issues.
4:44 to 5:30 p.m. Database performance issues.
10:44 to 10:53 p.m. Database performance issues.
November 25: 2 to 4 a.m. Scheduled database maintenance.
6:15 to 6:35 a.m. Database performance issues.
4:30 to 4:57 p.m. Database performance issues.
October 2008
October 20: 5:49 to 6:55 p.m. (database down)
October 21: 9:15 to 10:11 a.m. (database down)
October 21: from 3:36 to 4:11 p.m. (database down)
September 2008
September 14: 12:01 a.m. to 12 p.m. Hot fix installation (scheduled)
September 24: 10:37 to 10:47 p.m. LDAP-related (unscheduled)
September 25: 10:37 to 11:41 a.m. (times approximate) Sporadic slowness and
outages, again LDAP-related (unscheduled)
September 27: 5 to 8:20 a.m. Blackboard network issue (unscheduled)
August 2008
August 14: 12 hour outage for service pack/upgrade (midnight to noon)
August 18: 1 hour outage for SSL certification replacement in supporting applets
(3 to 4 a.m.)
August 23: 2 hour outage for network equipment replacement (2 to 4 a.m.)
August 30: 1 hour outage for adding storage to configuration (3 to 4 a.m.)
July 2008
July 10: ~ 40 minute outage on 7/10 (3:07 to 3:47 a.m.) – Unknown problem—possibly LDAP related
July 24: 45 minutes of unscheduled outage while Blackboard replaced UT's SSL certificate (12:45 to 1:30 a.m)