Technical Staff Blog

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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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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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The CS SSH Gateway, ssh.cs.brown.edu, has been updated to include generation of kerberos credentials. 

Impact to users: Users can continue to connect to the ssh gateway using existing ssh key pairs. Upon initial connection to the updated gateway you will be prompted to enter your Brown University password to generate your kerberos ...

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