Category Archives: All Categories

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

Posted on May 9, 2012 by

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

Posted on April 25, 2012 by Jim Buchanan

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

Posted on April 20, 2012 by

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

Posted on April 11, 2012 by

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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Major Network Service Disruption – Tuesday, April 10 2012 8:15 AM – 8:30 AM

Posted on April 10, 2012 by Casey Carvalho

A distribution layer network switch failure occurred at approximately 8:15 AM on Tuesday, April 10 2012, causing a network outage on the west side of the campus including TRS. The problem is similar to yesterday’s incident and is currently being … Continue reading →

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Major Network Service Disruption – Monday, April 09 2012 11:55 AM

Posted on April 9, 2012 by Casey Carvalho

A distribution layer network switch failure occurred at 11:50 AM on Monday, April 09 2012, causing a network outage on the west side of the campus including TRS. WiFi access may have been affected across the entire campus.   The … Continue reading →

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RMS web service disruption, Friday, March 30 2012 11:40 AM – 12:15 PM

Posted on March 30, 2012 by Casey Carvalho

An application level error between an application server and a database server caused RMS web applications to be slow or unresponsive, starting around 11:40 AM this morning.   The impacted services included the password reset utility and the Blackboard course shell … Continue reading →

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Groupwise Web Service Interruption – Thursday, March 22, 2012 6:15 PM – 6:54 PM

Posted on March 23, 2012 by Casey Carvalho

The GroupWise server responsible for providing Web & Internet access to GroupWise became inaccessible at approximately 6:15 PM on Thursday, March 22.  Service was restored at 6:45 PM. We are still investigating the cause of the outage. Please accept our apologies … Continue reading →

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Service Interruption Due to Data Centre Firewall Problem – 7:15 am,Tuesday, March 13, 2012 – UPDATE

Posted on March 13, 2012 by

UPDATE: 10:20 am, Tuesday, March 13, 2012 The problem has been isolated to a departmental server.  The server was sending large amounts of data, causing the firewall to go to high levels of utilization.   The server has since been … Continue reading →

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Groupwise web access outage: Wedn., March 07, 2012 8:20 AM – 8:50 AM

Posted on March 7, 2012 by Casey Carvalho

The GroupWise Webmail services hung at approximately 8:20 AM today, Wednesday, March 7 2012.   Other services affected on the server included Notifylink updates, access to the document library and inter-post office communication.  An attempt to restart the services was not successful … Continue reading →

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