Category Archives: All Categories

Blackboard daily restart scheduled between 3 AM and 4 AM

The recent Blackboard 9.1 SP8 upgrade introduced a bug with the authentication code, causing a memory leak, which over time leads to the problems recently experienced with the Blackboard system.  To reduce the risk of similar incidents, the Blackboard application … Continue reading

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Blackboard Learn Unavailable, Friday May 25, 2012 between 10:25 am and 10:50 am

This morning around 10 am the Blackboard system was experiencing a memory leak issue, the same issue that was experienced this Wednesday after the Blackboard upgrade. To prevent the problem from getting worse, all five application servers had to be … Continue reading

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Blackboard application servers issues – Wed, May 23

At approximately 11:56 am today, we started experiencing memory resources issues with some of the five Blackboard application servers. The servers needed to be restarted and users who were connected to these particular servers may have had their sessions dropped. … Continue reading

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www.ryerson.ca unavailable: Wednesday, May 23 2012 11:45 AM – 12:55 PM

Since approximately 11:45 AM this morning, the www.ryerson.ca website was not loading properly. We worked with the Web Services team in University Advancement and the vendor’s support group to resolve the problem. The site was back up at approximately 12:55 PM. We apologize … Continue reading

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Blackboard upgrade status: Monday, May 21

Update on Tuesday, May 22 at 2:00 pm: Just after 8 pm on Monday, May 21 CCS started receiving complaints from students that were not able to submit assignments on Blackboard and from one instructor who was not able to enter … Continue reading

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ColdFusion Database Issue – May 9/10, 2012

Due to an inadvertent error when restoring a database schema, all Cold Fusion data was overwritten as of 3:51 PM on Wednesday May 9.  The Cold Fusion applications affected were running on the following systems: runner.ryerson.ca ccs.cf.ryerson.ca hr.cf.ryerson.ca ss.cf.ryerson.ca alfresco.cf.ryerson.ca … Continue reading

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High Firewall CPU Utilization Affecting OGF and SAS Services – 8:30 am, May 08, 2012

The data centre firewall in front of SAS, OGF and HR systems is currently experiencing high CPU utilization, over 90%. This may be increasing the response times for users trying to access these systems. The problem has been identified. There … Continue reading

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Search.ryerson.ca service outage – Wednesday April 25, 2012

The service that provides search functions for www.ryerson.ca Web sites failed this morning. The Google Mini Search Appliance that provides the service appears to have gone down at roughly 9 AM this morning and was restarted at 10 AM. While the search … Continue reading

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TRS-YDI Wireless Controller Fail-Over – 2012-April-20 9:30am

Due to a problem with the WiFi network in TRS and YDI some people may find the WiFi network has stopped working and have to login again. We are investigating the problem. However, it appears the network interface to the … Continue reading

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Some Users Could Not Reach Services at www.library.ryerson.ca and ezproxy.lib.ryerson.ca – 16:30, Wed., April 11, 2012

At approximately 16:30 today the domain names www.library.ryerson.ca and ezproxy.lib.ryerson.ca became unresolvable. External and internal users were having different problems. The records for www.library.ryerson.ca were missing from the database, at this time we are unable to find a cause for … Continue reading

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