Computer Science Status
CS Cycles/Ionic Downtime, Tuesday, March 11, 2025, 07:00-12:00
Who is affected:
All users of the CS Department Beowulf high performance computing cluster
known as ionic.
All users of the CS Staff-managed public login systems, including the
cycles, courselab, and armlab systems.
What is happening:
CS Staff will upgrade the Ionic cluster as well as Cycles, Courselab, and
Armlab systems to the latest Redhat 9 distribution.
Additionally, MATLAB configurations will be updated. Please review the CS
Guide for new instructions:
csguide.cs.princeton.edu/software/matlab
Why is it happening:
This is part of the routine maintenance and will bring newer versions of
installed tools and software.
MATLAB changes will allow for us to have multiple versions of the software
available.
We will post updates to the status page: www.csstaff.org
as necessary.
If this downtime will cause you undue hardship, please contact
csstaff@cs.princeton.edu immediately, so we can discuss options to reduce
any negative impact. Your patience is appreciated.
Sincerely,
CS Staff