Author Archives: Hongbo HE

About Hongbo HE

Director, Application Services Computing and Communications Services Ryerson University

Gmail Service Disruption: Wednesday, June 26, 2013 2:47 PM – 3:05 PM

Posted on June 26, 2013 by Hongbo HE

According to Google’s Apps Status Dashboard,  between 2:47 PM and 3:05 PM today (Wednesday, June 26, 2013), users were receiving error 793 while sending emails through the Gmail web interface.  We have received reports that some people at Ryerson have seen … Continue reading →

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IM/Spark service disruption: Friday, June 21 2013 06:19 AM – 09:56 AM

Posted on June 21, 2013 by Hongbo HE

Due to a missing firewall rule,  IM/Spark (the instant messenger service) stopped to accept new connections this morning , Friday June 21, at 6:19 AM. Existing users sessions were not impacted. The rule was added at 9:56 AM and the … Continue reading →

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Groupwise Archives Post Office 4 outage:Wed., June 19, 2013 12:01 PM — 1:14 PM

Posted on June 19, 2013 by Hongbo HE

A disk array hosting Groupwise Post Office 4 failed at 12:01 PM today.  The disk was migrated to a replacement chassis and services were restored at 1:14 PM.  The affected user community includes University Advancement, University Business Services, Finance,  University Planning … Continue reading →

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CAS/my.ryerson Service Disruption: Friday, June 14 2013 9:33 AM – 9:42 AM

Posted on June 14, 2013 by Hongbo HE

A data replication issue with the Central Authentication System (CAS) caused intermittent login problems starting at approximately 9:33 AM.   CAS services were restarted and full services were restored at 9:42 AM.  We are continuing to investigate this issue. Please accept … Continue reading →

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Delayed Delivery of Emails: Thursday, June 6, 2013 10:00 AM

Posted on June 6, 2013 by Hongbo HE

At around 10:00 am this morning,  we found that several compromised accounts sent tens of thousands of messages into our system, slowing down mail delivery on two of the three mail servers.  The compromised accounts have been disabled.  We are … Continue reading →

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RMS Administration, Activation and Self Service outage: Monday, June 3, 2013 11:44 AM – 11:54 AM

Posted on June 3, 2013 by Hongbo HE

An RMS application server became unresponsive at approximately 11:44 AM this morning.  It was restarted and back in service at 11:54 AM.  During the outage, the following services were not available: RMS Administration,  Account Activation and Self Service. The cause … Continue reading →

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Delayed Delivery of Some Email: Wednesday, May 22, 2013 11:45 AM – 1:15 PM

Posted on May 22, 2013 by Hongbo HE

A change was made in our email scanning service at 11:45 AM that should only have been made in a test environment.  This caused 50% of incoming messages to be queued for delivery.  The issue was resolved at 1:15 pm and … Continue reading →

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Google Drive Service disruption: Friday, May 10, 2013 3:00 PM – 3:12 PM

Posted on May 10, 2013 by Hongbo HE

Google Drive  has been experiencing intermittent problems since about 3:00 PM.  Some users have reported that after logging into Google Drive on the web, their files appear to be missing. Google has updated their status page with more information. Click … Continue reading →

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