Category Archives: LDAP

Servers outage on May 31, 2017 from 2:03 to 2:05 PM

Posted on May 31, 2017 by michael

On Wednesday, May 31, 2017 at about 2:03 P.M. a hardware failure caused many of the data centre servers to reboot. Therefore, for a few minutes users were unable to access some of Ryerson’s applications. CCS is investigating the root … Continue reading →

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LDAP error: Thursday, Jan. 16, 2014 4:25 AM – 8:15 AM

Posted on January 16, 2014 by Casey Carvalho

Starting around 4:25 AM on Thursday, Jan. 16, 2014, two LDAP servers experienced database indexing problems, causing some e-mail messages to queue up and not be delivered in a timely manner.   The services were restarted and full services restored as of … Continue reading →

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LDAP error: Thursday, Jan. 2, 2014 4:25 AM – 9 PM

Posted on January 3, 2014 by Casey Carvalho

Starting around 4:25 AM on Thursday, Jan. 2, 2014, one of the LDAP servers experienced some database indexing problems, causing some e-mail messages to queue up and not be delivered in a timely manner.   The server was rebooted around 9 … Continue reading →

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Intermittent LDAP authentication failures – Wedn., March 27, 2013 8:10 AM

Posted on March 27, 2013 by Casey Carvalho

A recently introduced LDAP server used for authentication experienced intermittent problems related to the JVM heap size.  This caused an intermittent response  issue for various applications, including my.ryerson, Blackboard, eHR, Confluence, Jira and others.   We are working with Oracle to … Continue reading →

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Intermittent LDAP authentication failures – Wedn., March 13, 2013 2:45 AM – 7:30 AM

Posted on March 13, 2013 by Casey Carvalho

Various LDAP servers used for authentication experienced high CPU load this morning, causing intermittent response for various applications, includuing my.ryerson, Blackboard, eHR, Confluence, Jira and others.   The problem started around 2:45 AM and was resolved around 7:30 AM. We apologize for … Continue reading →

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CAS/my.ryerson Service Disruption: Wednesday, Jan. 16 2013 9:15 AM

Posted on January 16, 2013 by Casey Carvalho

At approximately 9:15AM we started experiencing intermittent connectivity to LDAP servers.   This in turn is affecting CAS (Central Authentication System ) logins, including the my.ryerson.ca portal.   Some users may experience slowness and a few may not be able to login.   Staff are … Continue reading →

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LDAP authentication outage: Wednesday, Dec. 12, 2012 7:15 AM – 8:11 AM – Update

Posted on December 12, 2012 by Casey Carvalho

Update:  This affected CASified applications, including Gmail, Blackboard, my.ryerson.ca, Confluence, Jira and impacted wireless Access. =============================================================== The LDAP (Lightweight Directory Access Protocol) proxy servers used for authentication, including authentication of CAS systems (my.ryerson.ca), stopped responding around 7:15 am.   Services were restored around … Continue reading →

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Intermittent LDAP authentication failures – Friday, July 27, 2012 8:00 AM – 9:30 AM

Posted on July 27, 2012 by Casey Carvalho

Various LDAP servers used for authentication experienced high CPU load this morning, causing intermittent response for various applications, includuing my.ryerson, Blackboard, eHR, Confluence, Jira and others.   The problem started around 8:00 AM and was resolved around 9:30 AM, following a … Continue reading →

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Intermittent LDAP authentication failures – Wednsday, Oct. 26, 2011 3:50 PM

Posted on October 26, 2011 by Casey Carvalho

One of the various load balanced, front end LDAP servers used for service authentication stopped processing authentication requests. This would have been perceived by some users as an intermittent login failure to some applications. Some web based applications that require … Continue reading →

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Access to Major Systems Caused by Data Centre Firewall Problem – July 3, 2011 – 2:39 pm

Posted on July 3, 2011 by

At 1:45 pm, July 3, 2011, access to major systems including R-Mail and my.ryerson.ca was interrupted due to a problem with a redundant link on the firewall cluster that protects those systems. The problem was resolved @ 2:53 pm. Access to … Continue reading →

Posted in All Categories, eHR, eResources, LDAP, my.ryerson, RAMSS, RMail | 5 Comments