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Tape Backups

Maintenance

Backups

We will be running the monthly backups Sunday, May 4 beginning in the afternoon.

Brief network maintenance

Network

We’ll be doing some maintenance to the network interfaces of our file server starting today at 2p. Our goal is to increase the network bandwidth of our file server. We…

Lambda head node unreachable

Lambda

The lambda head node is not accessible. I’ve asked the data center folks (in Washington) to investigate.

JupyterHub: new default python kernel, desktop extension

JupyterHub

Python

Remote Desktop

I have updated the default python kernel from 3.12 to 3.13 to match the login environment of our recently upgraded systems. The previous kernel is still available as “Python…

Python and R Upgrades

Python

R

Ubuntu

With the recent operating system upgrade to Ubuntu 24.04, we have also upgraded to Python 3.13 and R 4.4.3. Older versions are available via the module system.

Downtime notice: Cluster node OS upgrade

Ubuntu

Maintenance

We will be performing operating system upgrades on all of our compute servers during the upcoming spring break. The upgrades will occur in batches from Monday, March 24…

Maintenance reminder: Slurm scheduler software update

Ubuntu

Maintenance

This is a reminder for the upgrade announcement originally sent on February 19.

arwen RAM problems

Hardware

Incident

The login node arwen is having hardware issues and has locked up several times recently. It is offline while we investigate the problem.

Unexpected downtime: Evans Hall networks down

Network

Incident

Several wired networks in Evans Hall are down at the moment. I’ve reported it to campus.

Unexpected downtime: Campus power outage

Power

Incident

I just received word that there is a power outage affecting the north side of campus. Unfortunately this has hit our server rooms and all systems are down. I’ll respond with…