At approximately 9:20 AM on Friday, July 15, 2016 CCS became aware that some systems inside the Ryerson network were not reachable from the internet due to a loss of network routing information on one of Ryerson’s edge network devices. All systems were reachable from inside Ryerson. The problem was resolved at 10:45 AM.
We apologize for any inconvenience this may have caused.– Computing and Communications Services
At approximately 10:00AM on Wednesday, June 8, 2016 CCS became aware that desktops and laptops trying to get updates from the Sophos anti-virus server started getting a “Could not communicate with server” message, preventing updates from taking place.
CCS administrators are investigating the problem and will provide an update when services are restored.
Update:
Server was restored from backup at 12:50 PM and services were resumed
We apologize for any inconvenience this may cause.
– Computing and Communications Services
At approx 2 PM on Monday, June 6, 2016 almost all the desktops in the general purpose KHW71 lab lost communication with the DHCP services, preventing access by users. The issue was resolved around 4:30 PM.
The root cause for the problem is still under investigation but a workaround has been implemented.
We apologize for any inconvenience this may cause.
– Computing and Communications Services
On Monday May 16, 2016 at 12:45 PM, the www.ryerson.ca website became unavailable.
CCS administrators are continuing the investigation.
Update:
Services were resumed at 13:28 PM
We apologize for any inconvenience.
-Computing and Communications Services
One of the physical servers that hosts various virtual machines (VMs) crashed on Saturday, May 14 at approximately 4:03 PM. The server crash resulted in various service outages, including lab printing services. The server was rebooted and services were restored around 5:20 PM. Preliminary investigation indicates that the problem was due to networking issues. CCS administrators are continuing the investigation.
We apologize for any inconvenience.
The list of affected servers includes:
acdhcp-01.ruad
acps-db.ruad
aldap.prodint
amber.tss
author.prodint
bb90down
bus-report.prodint
ccs-hr852-prd.admn
ce-dc-02.ce
ce-fs-01.ce
ceits-dc-01
ceits-fs-01
ce-sql2-05
cp1.ns.int
cpalfweb.prodint
dmz-mysql.prodint
dmz-mysql-01.prodint
eduroam2
encampus-01
gamne1
gp-dns1.prodint
hrpox2.prodint
magicweb.admn
mailblock.prodint
mps3.prodint
mr1.prodint
nexus.ru-sign
ns-com.admn
rac-classdb-01
rasi1.prodint
reserve.lib
-Computing and Communications Services
The Research Information System (RIS) and Research Ethics Board (REB) application became unavailable after 4:30 PM on Friday, May 6, 2016 following planned maintenance. A restart of the application was performed on Saturday, May 7 around 5 AM to restore services.
We apologize for any inconvenience.
-Computing and Communications Services
The www.ryerson.ca website became unavailable overnight, starting at 3:42 AM. The services were restarted at 7:33 AM. Preliminary investigation indicates that the problem was due to application processes that stopped responding. CCS administrators are continuing the investigation.
We apologize for any inconvenience.
-Computing and Communications Services
At approximately 8:50am on Friday, April 29, academic lab printing started experiencing slowness when downloading a required print driver at user login time. The issue manifests itself via a pop-up message indicating that the Windows Printer Installation is Looking for a driver… If the pop-up is not closed, the driver eventually installs after a few minutes. If it is closed by the user, the driver download is interrupted and printing will not function afterwards.
Technical staff are investigating the problem and will provide and update once the problem is fixed.
Update – April 29, 4:45pm: The networking group is still investigating the problem.
Update – May 3, 4:30pm: After extensive trouble shooting by technical staff, the root cause of the problem has been narrowed down to an automatic update to the anti-virus software. The anti-virus software vendor has been engaged and we expect to have a resolution shortly.
Update – May 11: An update released by the anti-virus software on Friday May 6th resolved the issue.
We apologize for the inconvenience.
-Computing and Communications Services
On Friday April 22, 2016 at around 1:00 PM, many sites on the internet became unreachable due to an internet routing problem at a major internet hub in the United States.
The Network engineering team at Ryerson is monitoring the situation and will update once this external problem is resolved.
Update:
At around 1:45 PM, services were resumed
-Computing and Communications Services
On Friday, April 22, 2016 at 3:15 AM, a firewall protecting all the wired academic and administrative subnets failed. This prevented these subnets from accessing any network resource. IT-Security moved the traffic to a redundant firewall and services were resumed at 7:45 AM
Please accept our apologies for any inconvenience this has caused.
-Computing and Communications Services
