Category Archives: All Categories

Interruption of DHCP Services in KHW71 lab – Monday, June 6, 2016 2 PM – 4:30 PM

Posted on June 6, 2016 by Casey Carvalho

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 … Continue reading →

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www.ryerson.ca outage: Monday May 16, 2016 at 12:45

Posted on May 16, 2016 by michael

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

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Multiple service disruption due to server crash: Saturday, May 14, 2016 16:03 PM – 17:20 PM

Posted on May 14, 2016 by Casey Carvalho

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 … Continue reading →

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REB/RIS application service outage: Friday, May 6 2016 4:30PM – Saturday, May 7 2016 5AM

Posted on May 8, 2016 by Casey Carvalho

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 … Continue reading →

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www.ryerson.ca outage: Thursday May 5, 2016 3:42 AM – 7:33 AM

Posted on May 5, 2016 by Casey Carvalho

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 … Continue reading →

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Academic lab printing disruption: Friday, April 29, 2016

Posted on April 29, 2016 by Casey Carvalho

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…  … Continue reading →

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Internet outage on Friday April 22, 2016 at 1:00 PM

Posted on April 22, 2016 by michael

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 … Continue reading →

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Wired network outage on Friday April 22 from 3:15 AM to 7:45 AM

Posted on April 22, 2016 by michael

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 … Continue reading →

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Lab outage in LIB-386L on Monday April 4, 2016

Posted on April 4, 2016 by michael

On Monday April 4, 2016 at 2:30AM, the computers in LIB-386L lost their network connectivity. Connectivity was restored at 11:00 AM after adding a second DHCP server. Network Engineering staff are troubleshooting the issue. Please accept our apologies for the problems this outage … Continue reading →

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RU-VPN2 service outage: Friday April 1, 2016 8AM – 8:30AM

Posted on April 1, 2016 by Casey Carvalho

RU-VPN2 was not available this morning, Friday, April 1st, from 8AM – 8:30AM due to a failure to start the service following system maintenance.   A configuration change  has been implemented to auto-start the service after a server reboot to avoid … Continue reading →

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