Due to a server configuration problem no one was able to log into my.ryerson.ca from roughly 2:00 to 2:20 PM today (Saturday Aug. 20, 2011). The problem has been fixed and we apologize for the disruption.
-Computing and Communications Services
At 9:38 am, there was a 2 min. interruption in access to most core applications including Rmail and Blackboard. It was caused by a configuration error in a data centre network switch that caused the switch to reboot.
The configuration error has been corrected.
Please accept our apologies for the outage.
-Computing and Communications Services
At around 3:05 pm, access to the Internet became unreliable. Upon investigation, the problem was found to be external to the Ryerson network. GTANet has been contacted about the problem and reported that it was a BGP connection problem that has been resolved.
At approximately 11:47AM the SSL accelerator that services Ryerson WebMail had a problem with it’s dual network interfaces. The links between the data centre switches were flooded , resulting in intermittent connectivity to various core applications.
One of the network interfaces on the SSL accelerator was shut down at 12:52PM, resolving the intermittent connectivity issue.
The cause for the flooding is under investigation.
At approximately 9:42 a.m. today, August 12, 2011, a problem was detected with the GroupWise web server. Initial investigation indicated that the web server ran out of memory. The server was re-started and services were restored at 9:55 a.m.
We apologize for the service disruption.
-Computing and Communications Services
Due to installation of smart hydro meters, a short power outage (1 to 2 minutes) will occur at 110 and 111 Bond Street on August 24, 2011 some time between 8 a.m. and 12 p.m.
-Campus Planning & Facilities
The Library Catalogue server experienced a brief outage today, Tuesday July 26, 2011 between 9:09 AM and 9:38 AM due to a network cable failure. The cable was replaced and the services are fully restored.
Computing and Communications Services
At around 4:30 PM, the wireless microwave bridge that feeds the Centre for Urban Energy (CUE) building failed. This is the only link to the building. As a result, there is no connectivity to the internt or access to Ryerson’s VoIP telephone service from the building.
Network Services and outside support are currently working on this issue.
Campus Secuirty has also been notified.
Update: Connectivity to the CUE building was restored by roughly 8 PM but data transmission is not working at full capacity due to transmission errors. The radio on the CUE building may not be functioning properly in the heat so we are scheduling a time when it can be replaced.
We apologize for the service disruption.
– Computing and Communications Services
At 4:10 pm today, the server hosting the Groupwise Post Office 3 went down due to a faulty hard drive. The server was brought back up around 4:30 PM after the faulty drive was replaced.
We apologize for the service disrruption.
-Computing and Communications Services
We are currently experiencing an intermittent issue with DNS (Domain Name Services) resolution of outside domains. The issue is being investigated and we will provide an update shortly. The problem started around 2:20 PM.
Update: Our investigation could not identify any problem with internal DNS systems and we’re concluding that the source of the intermittent DNS resolution problem was caused by a temporary external factor. The problem seems to have been resolved around 3:05 PM.
We apologize for the service disruption.
Computing and Communications Services
