Systems

Browse all posts in the Systems category.

25 to 30 of 39

22APR 2025
Allgemein
[resolved] Service disruptions on Fritz and Helma due to outage of cooling
We had to perform an emergency shutdown for the clusters Fritz and Helma today (Wednesday, April 16) at around 13:30, after the cold water supply for these clusters failed at around 13:10. All jobs running at that time were terminated (ungently). Update 16.04. 15:50: First analysis showed that a pump has failed, and a broken […]
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25MAR 2025
HPC
[resolved] Service disruptions on clusters due to crash of fileserver titan
Our file server titan crashed Montag 24.03 20:00. Unfortunately, this currently affects all users on all clusters and frontends; normal work is all but impossible at times. We are working on resolving the situation and apologize for any inconvenience. UPDATE 25.03. 9:40: /home/titan is available again, clusters operation is back to normal.
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13MAR 2025
Allgemein
Downtime of all our clusters on Monday, 17.03.
There will be a scheduled downtime of all the HPC systems of NHR@FAU starting on Monday, 17.03. at 9:00 and expected to last until about 17:00. As usual, Jobs that would collide with the downtime will automatically be postponed until the downtime is over. Frontends and filesystems will be available most of the time, but […]
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11FEB 2025
Allgemein
Downtime of all our clusters on Thursday, February 13
There will be a scheduled downtime of all the HPC systems of NHR@FAU starting this Thursday, 13.02. at 9:00 and expected to last until about 17:00. As usual, Jobs that would collide with the downtime will be postponed until the downtime is over. Frontends and filesystems will be available most of the time, but there […]
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30JAN 2025
Allgemein
Parallel file system outage in Fritz cluster
Since 20:10 on January 30, the parallel Lustre file system ($FASTTMP) on the Fritz cluster is unavailable due to repeated server crashes. The issue is being investigated. Update 2025-01-31 17:00: The issue turned out to be a faulty component in the Infiniband network of Fritz, the Lustre servers just were the first ones to react […]
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22JAN 2025
Allgemein
Issues on TinyGPU and TinyFAT
Since Wednesday (2025-01-22) evening, some nodes in TinyGPU and TinyFAT seem to have problems accessing NFS directories. This will lead to issues like Jobs mysteriously hanging, or interactive jobs starting but never opening a shell prompt. Update 2025-01-23 09:30: This issue should now be resolved for TinyFat. All affected nodes there have been rebooted. Update […]
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