Technical Staff Blog

Archives 2015

Last update on .

We had a gpfs filesytem failure on Wednesday, July 15, from 12am to 9:30am.  The gpfs cluster was in an unhappy state starting at 12am when one of its node went into an unknow state.  Then around 3:15am the cifs cluster went down.  During the gpfs filesytem outage as we were working to ...

Last update on .

Since the unplanned network outage on July 2nd, our compute grid has been unstable. We've been scouring grid logs, examing network switches, and generally pulling our hair out. The issue could be replicated by simply restarting the grid master service. We may have, finally, located a corruption in the underlying configuration files that was ...

Last update on .

Due to a network outage resulting from a switch upgrade not performed by Tstaff, a handful of services were down this morning.  Specifically, the Grid is currently up but not running any jobs and the List Server was down between 8:30am and 10am.  We're working as quickly as we can to find any ...

Last update on .

The issues with the file system have been resolved.  We are now crawling the department looking for front end machines like VMs and websites that may still be having issues.

If you have any trouble using the department's services, please email problem@cs.brown.edu.

Last update on .

The filesystem is back to normal, but we still have some services that depend on this that need attention. Windows users and remotely connected hosts mounting the filesystem over VPN may still be experiencing connection/slowness issues while we're working on bringing all of our CIFS servers back online.

Last update on .

The Brown campus is currently experiencing some major network problems this morning (Wednesday, June 24th). One effect is that people outside of the CS department have been unable to reach our website and people inside the department are unable to reach websites other than ours.

As far as we can tell the problem has nothing ...

Last update on .

Our GPFS cluster was not fully upgraded to 3.4 even though we have been running v3.4 for awhile.  In order to complete the v3.4 upgrade, two essential steps were needed:

1. Migrate the GPFS cluster to the latest version by running:
mmchconfig release=LATEST
2. Migrate the file systems to the latest ...

Last update on .

cs-web-faclist.png The web display of CS Department faculty, staff, graduate students and undergraduate concentrators got a lot better today with the release of new user profile pages.  The new pages are better looking, better organized, and mobile-friendly.  Grad and undergrad pages are brand new.  Behind the scenes, users have easier access to their data, and important ...

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