RWTH High Performance Computing (HPC)

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[CLAIX-2025] Maintenance to resolve fabric issues

Partial Maintenance
Fri 05/29/2026 06:00 PM - Unknown

CLAIX-2025 is under temporary maintenance to fix remaining issues in the fabric. Prospectively, the test operation can be resumed thereafter.

02.06.2026 11:23

CIFS disabled

Notice
Thu 05/28/2026 09:58 AM - Wed 07/01/2026 09:58 AM

Due to an uresolved security issue, we have disabled CIFS capabilities temporarily on all systems.

28.05.2026 09:58

Recently expired reports

[CLAIX-2025] Issues with respect to reachability

Partial Outage
Tue 05/12/2026 08:00 AM - Fri 05/29/2026 06:00 PM

At the moment, the CLAIX-2025 fabric suffers from reachability issues. We are currently working on analyzing and identifying the root cause of the issues.

12.05.2026 11:01
Updates

Our hardware vendor has identified an issue that needs further analysis.

12.05.2026 17:10

The issues were worked around. Please note, that the system is under temporary maintenance once all issues are sorted out.

02.06.2026 11:21

[CLAIX-2025] Large CDU active - GPU restrictions will be removed soon

Notice
Tue 05/12/2026 03:00 PM - Mon 06/01/2026 12:00 AM

Due to limited cooling capacity, 12 GPU nodes were disabled from the batch operation. With having the large CDU installed and activated today, these limitations can be removed soon.

12.05.2026 17:15