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Category archives: Service Outages

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This is an after the fact report - this issue has been resolved. Certain parts of the 4th and 5th floor of CIT experienced a brief network outage on Thursday, October 4th sometime between 2pm and 3pm. TStaff immediately contacted CIS Networking and they dispatched Comm Ops, it appeared to be a bad uplink on one ...

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Users have reported an unusual volume and variety of FastX problems over the last couple of days. So far we have been unable to determine the precise cause, or narrow the problems down to any particular host in the cluster. Therefore, as part of our ongoing attempt to diagnose and fix the problems, we are ...

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A number of services were intermittently unavailable today.  These include VPN, the list server and the website.  The cause of the problems is not yet known and we continue to investigate.  There remain lingering problems - intermittent authentication failures on the website in particular - and we have posted a notice on the system status page.

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All critical CS Department services have been restored. An interruption in external services resulted in a cascading DNS failure and overall service instability, starting mid-morning on Thursday of this week.  After repeated efforts to diagnose and workaround the issue, we reached out to CIS who stuck with us throughout today to diagnose. Ultimately, we were ...

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CIS will be performing planned network maintenance at the CIT on Wednesday, 8/22, from 6:00 AM to 8:00 AM.

During this time, wired and wireless network connectivity may experience brief interruptions while maintenance is performed.

Thanks for your patience during these planned outages as our network infrastructure is upgraded and expanded. 

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CIS will be performing planned network maintenance at the CIT on the following dates & times:

On Tuesday, 8/14, from 6:00 AM to 8:00 AM & 
On Wednesday, 8/15, from 7:00 AM to 8:00 AM.

During the above times, wired and wireless network connectivity may experience brief interruptions while ...

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CIS is upgrading the switch hardware on the 2nd floor of CIT on Thursday, August 9. The maintenance is scheduled from 6:00 am to 8:00 am, during this time network connectivity will be unavailable on the 2nd floor of the CIT Building. Phone and wireless connectivity on the 2nd floor may also experience ...

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CIS is peforming power & network maintenance between 0700-0800 on Thursday, August 2nd 2018.  During this time, wired, wireless network connectivity and potential phone usage may experience a brief outage lasting less than 5 minutes on the 1st and 2nd floors of the CIT Building.

Services in the Sun Lab will be unavailable during the ...

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Late Friday evening into Saturday CIS expereinced a failure of one of the VMWare servers in the stack they provide to us. A number of our internal services depend on the virtual machines hosted by that server, which resulted in intermittent issues through the department (website, dhcp, vpn, ssh, and others).

CIS has temporarily migrated ...