Systems

There will be a scheduled downtime of Fritz from April 23, 7 am till April 24, 3 pm due to maintenance work on the clusters power supply. Jobs that would collide with the downtime will automatically be postponed until after the downtime.

On Tuesday, April 7, Helma will be down due to a maintenance of cooling distribution units (CDUs). Currently, we are confident that the system will be back online in evening the same day. Update: The cluster is up and running again.

On Monday, March 23, Helma will be down due to a maintenance of cooling distribution units (CDUs). Currently, we are confident that the system will be back online in evening the same day. UPDATE 23.03., 11:45 - Maintenance finished, Helma up and running again

There will be a scheduled downtime of all the HPC systems of NHR@FAU, starting on Wednesday, February 11, at 8:30, and expected to last until the evening of Thursday, February 12. Reason for the downtime is maintenance on various systems, including but not limited to central fileservers. ...

Batch processing has been stopped on Alex, Helma, and Woody for detailed system inspection. We'll update this message once we know more details and the expected return to operation. 2026-01-29 @ 07:35 - Batch processing has been resumed. SSH access to your nodes with running jobs is currentl...

Due to a hardware failure, the /anvme partition on Alex requires urgent maintenance on January 27. Therefore, the Alex cluster will be unavailable between 10 a.m. and 3 p.m. on that day. UPDATE 17:20 - several workspaces have been unaccessible until now; sorry for that

Today (November 26) at around 4:30 p.m., a short glitch on the city power lines led to most HPC systems going down: Fritz, Alex, Woody, Meggie, TinyGPU, TinyFat, the test cluster, and parts of Helma. Frontends are still up, but most jobs were killed. Admins are working to get the systems up and runn...

Unscheduled downtime of Fritz from October 16 On the night of October 15 we encountered severe issues with Slurm resulting in many jobs crashing. Batch operation is currently halted. We are investigating the incident. As of now we do not have an estimate when operation of Fritz can be resumed...

Due to complications encountered during maintenance work on the cooling infrastructure, said infrastructure is currently operating with severely reduced capacity. To ensure cooling availability for critical infrastructure, we will have to shut down most of the clusters. Jobs that are already runn...

State-of-the-art technology for research: With a celebratory colloquium on Tuesday, September 30, the NHR@FAU officially inaugurated the most powerful AI computer system currently available at German universities. As part of the BayernKI for Science initiative, "Helma" provides infrastructure for cu...