Author: Thomas Zeiser

Memoryhog is down since 2023-04-27 due to hardware failure. We are working on a hardware replacement. UPDATE: The hardware has been replaced. The new memoryhog is up and running.

Fritz is down since 2023-04-27 @ 18:00 due to Infiniband issues. UPDATE: Batch processing has been resumed at 2023-04-27 @ 20:30.

The A100 partition of Alex will not be available on Friday, April 28 due to acceptance tests. UPDATE 2023-04-28: Regular batch processing in the A100 partition has been resumed around midnight. UPDATE 2023-04-29: It looks like the first jobs after resuming operation did not find any GPU! Pleas...

The Tier3 throughput cluster Woody as well as TinyGPU and TinyFAT are currently (since 2022-11-14, 15:15) not available due to large-area network failures on the campus. Other HPC systems are partially impacted, i.e. if individual compute or login nodes mounted file systems from one of the unavailab...

Access to the HPC portal has been broken since 2022-11-09, 11:15 at least for FAU people as SSO attributed have no longer been transferred correctly by the identity provider (IdP). Please be patient. We are working on solving the issue. There is no workaround for the issue. UPDATE 2022-11-09, ...

The parallel computer Fritz of NHR@FAU will not be available from Monday, Oct. 31st till Wednesday, Nov 2nd due to HPL measurements for the Top500 list. Jobs may be queued at any time - just expect longer waiting times. Login nodes and file systems hopefully will be available all the time. ...

There will be another scheduled downtime of Meggie, Fritz, Alex, TinyGPU, TinyFAT, Woody, and the Testcluster on Wednesday, October 26, starting at 6:00 a.m. and lasting the whole day. Reason for the downtime is maintenance work on the power grid. Frontends and file servers may be unavailable due ...

Valued Tier3 HPC users of NHR@FAU, as briefly announced in the HPC Cafe in June, we now started with switching from Woody with Ubuntu 18.04 and Torque to Woody-NG ("Woody Next Generation") with AlmaLinux8 as operating system and Slurm as batch system. Woody-NG uses the same operating system as the...

As already announced in the HPC Cafe in January for summer, we will now reinstall the RTX2080Ti and V100 nodes in TinyGPU with Ubuntu 20.04 (instead of Ubuntu 18.04) and integrate them into the Slurm batch system of the RTX3080/A100 GPU nodes. First RTX2080Ti and V100 nodes have already been reinstalled and moved to Slurm in the past days. The remaining nodes will follow gradually until end of October to allow a smooth transition.

Valued HPC customers of NHR@FAU and RRZE, There will be a scheduled downtime of some HPC systems at RRZE, namely: Emmy, TinyFat and TinyGPU on Thursday, October 14, starting at 7:30 and lasting the whole day. Reason for the downtime is maintenance work on the power grid. Fronte...