Technical Staff Blog

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CIS will be performing planned network maintenance to the wireless access points at the CIT and other locations on Wednesday, 12/5, from 6:00 AM to 8:00 AM.  

During this time, the wireless network, (Brown, RLAB, Brown-Guest and Eduroam) will experience an outage lasting less than 5 minutes, at the following locations:

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Many services were affected by a GPFS filesystem issue this morning.  An NFS server in our GPFS cluster failed, affecting filesystem access generally, and services that rely on filesystem access.  Systems were affected by at least 10am, and possibly much earlier.  The filesystem was restored to normal operation before 2pm.  A VMWare host server also ...

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Reports came in yesterday and today of messages being delayed for many hours.  Some were specifically because of account name changes, which was resolved early in the day, yesterday.  While others were delayed due to an after hours service outage, which has also been resolved.

Email services have been returned to normal and all delayed ...

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CIS will be performing a planned switch upgrade in the Sciences Library on Friday, 11/1 from 6:00 AM to 8:00 AM. During this time, you may experience brief interruptions (less than 5 minutes) of wired, wireless network connectivity and potentially phone usage while the connections are being moved to the new switch ...

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CIS will be performing planned maintenance on the internal firewalls on Saturday, 10/20, from 6:00 AM to 8:00 AM

While no outage is expected during this time, wired and wireless network connectivity may experience brief interruptions while maintenance is performed. 

TStaff will be validating CS services post maintance.

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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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In hopes of fixing the ongoing FastX issues permanently, we are going to do some reconfiguration of the virtual hosts in the FastX cluster that will require all of them to be shut down. We will take the cluster offline at 8am tomorrow morning (Thursday the 27th). While we don't know how long this ...

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CIS will be performing scheduled maintanence on the Brown phone system on Thursday, September 27th. More info from CIS below:

On Thursday, 9/27/2018 from 12:00 AM to 5:00 AM,  planned maintenance has  
been scheduled for Brown telephone service.

Between the hours of midnight and 1:00 am, incoming calls to many ...

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FastX continues to be unreliable for most users. Even after a cold reboot of the entire cluster last Friday, most connections are getting rejected, seemingly nondeterministically and accompanied by any one of a few recurring error messages.

We still don't know the underlying cause and have contacted StarNet to see if they have any ...

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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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