On Wednesday April 29, 2020, CCS received reports about external callers to Ryerson’s main number 416-979-5000 are unable to reach users with 6-digit extensions. The telecom team is working with the vendor to troubleshoot the issue.
Update at 4:05 PM:
The issue has been resolved after restarting the call routing engine
We apologize for any inconvenience this may have caused.
-Computing and Communications Services
On Wednesday April 29, 2020 the data centre firewall appliance lost connectivity to the network. This may have prevented access to the servers inside the data centre during that time. The firewall vendor has been contacted to find the root cause of this outage.
Two instances were noticed for this outage one at 9:03 and another at 9:14 AM
We apologize for any inconvenience this may have caused.
-Computing and Communications Services
The D2L Network Operations Center (NOC) advises that an infrastructure event might have impacted the user’s experience with the Document Preview/Document Viewer service in the Brightspace Learning Management system hosted by D2L from Thursday, April 23, 2020 at 7:00 PM to Friday, April 24, 2020 at 12:30 PM. This might have impacted the ability to view documents in the Content area for all users and view and grade Assignment submissions for instructors.
We sincerely apologize for the impact this disruption might have caused.
-Computing and Communications Services
One of the Central Authentication Service (CAS) application servers had connection issue to back-end database server starting around 1:38 p.m. on April 14. This prevented some users who were on this server from logging in. This server has been restarted at 2:20 p.m. and CAS service has returned to normal. CCS technical team is investigating the root cause.
Update Tuesday April 14 at 5:19 PM.
The issue has been traced to a network issue between our datacentre firewall and a network switch. While the severity of the issue has not always been consistent issues were observed at the following dates and times:
Monday April 13:
7:06 am
9:34 am
Tuesday April 14:
4:30 am
8:18 am
1:10 pm
1:17 pm
2:30 pm
2:40 pm
3:27 pm
3:36 pm
4:31 pm
CCS has made changes to reduce the probability of further disruptions and is working with our firewall and network vendors to fully resolve the issue.
Update Wednesday April 15 at 10:00 AM.
Two more instances noticed at:
8:51 AM
9:04 AM
At 9:12 IT security team switched the traffic to go through the standby datacentre firewall
We apologize for the inconvenience this has caused.
– Computing and Communications Services
At approximately 8:45 AM, today, April 14th, 2020, the eHR system became unavailable for some users due to a memory issue in one of the web servers. The server was rebooted and services restored around 9:23 AM.
Please accept our apologies for the problems this outage has caused.
-Computing and Communications Services
On Monday April 13, 2020 the data centre firewall appliance lost connectivity to the network. This may have prevented access to the serves inside the data centre during that time. The firewall vendor has been contacted to find the root cause of this outage.
We apologize for any inconvenience this may have caused.
-Computing and Communications Services
On Friday April 10, 2020 the network switch servicing CE building basement floor didn’t come up after a scheduled upgrade. This caused a network outage for the equipment on this floor. The network switch was rebooted and services resumed at 4:30 PM
We apologize for any inconvenience this may have caused.
-Computing and Communications Services
Starting at approximately 3:40 PM on Thursday, April 9th, users were not able to authenticate to RU-VPN2 via CAS. This was due to a URL filtering policy that was enabled unintentionally. The policy was disabled and service was restored around 4:30 PM.
We apologize for any inconvenience.
-Computing and Communications Services
On Wed., April 8th, 2020 starting at approximately 11:00 AM emails to Ryerson GMail users are delayed. This service disruption only applies to Ryerson GMail and does not impact the other Ryerson Google Services such as Google Drive, Google Calendar and Google Hangout. Google is aware of this issue and has published a service update here. We will update this alert when more information is available.
Update – April 9th, 2020, per Google, the issue has been fixed since 11:58 AM, April 8th.
We apologize for the inconvenience this outage may have caused.
-Computing and Communications Services
Since March 19, 2020, a configuration error in the CAS single-sign on service prevented 62 people from using their mobile devices to reach the second factor registration page. Desktop users were not affected. The issue was rectified today.
We apologize for the inconvenience this error caused.
– Computing and Communications Services
