[downtime] CS System Downtime, Tuesday, October 30, 2018, 07:30-10:30

Date: Tuesday, October 30, 2018 (07:30-10:30)

Who is affected:
All users of the CS Staff-managed public login systems, including the
cycles and courselab systems.

All users of the CS Department Beowulf high performance computing cluster,
known as ionic.

What is happening:
During this window, OS patches will be applied to update our managed
systems. After patching, all systems will be rebooted.

Why is it happening:
Lingering kernel patches, which couldn’t be applied during our last cycle
due to unexpected compatibility errors, will be installed.

We will post updates to the status page: http://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.

CS Staff
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