BwUniCluster3.0: Difference between revisions

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| style="padding:8px; background:#FFE856; font-size:120%; font-weight:bold; text-align:left" | SOLVED: Service Incident Notice: bwUniCluster 3.0 Login Not Possible
| style="padding:8px; background:#FFE856; font-size:120%; font-weight:bold; text-align:left" | Immediate Shutdown of HPC Login Nodes: 08.07.2026
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Due to a critical security vulnerability, <strong>all login nodes of the HPC systems at KIT had to be taken offline immediately</strong>.
The login issue with bwUniCluster 3.0, which had been occurring since Friday, March 13, 2026, at 10:00 p.m., has been resolved.


<h3>What does this mean for you?</h3>
The cause was a software error in the parallel file system, which has since been successfully corrected.
A patch developed for us by the manufacturer has been applied. However, we would like to point out that we cannot currently completely rule out the possibility that the problem may recur under certain circumstances.


<ul>
You can now log in as usual. Please check the results of your calculations and resubmit any jobs that were interrupted.
<li><strong>Login access is currently unavailable</strong> – please refrain from further login attempts.</li>
<li>Jobs already <strong>running in the queue are not affected</strong> and will continue as normal.</li>
<li><strong>New jobs cannot be submitted</strong> at this time.</li>
<li>Deletion of <strong>workspaces</strong> has been disabled.</li>
</ul>

<h3>Next Steps</h3>

<p>We are working diligently to resolve the issue and will keep you informed as soon as the systems are available again. The optimistic ETA for return to service is the beginning of calendar week 29.</p>
<p>We apologize for the inconvenience and thank you for your understanding.</p>
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Revision as of 11:14, 9 July 2026

The bwUniCluster 3.0+KIT-GFA-HPC 3 is the joint high-performance computer system of Baden-Württemberg's Universities and Universities of Applied Sciences for general purpose and teaching and located at the Scientific Computing Center (SCC) at Karlsruhe Institute of Technology (KIT). The bwUniCluster 3.0 complements the four bwForClusters and their dedicated scientific areas.

bwUniCluster3.0



Immediate Shutdown of HPC Login Nodes: 08.07.2026

Due to a critical security vulnerability, all login nodes of the HPC systems at KIT had to be taken offline immediately.

What does this mean for you?

  • Login access is currently unavailable – please refrain from further login attempts.
  • Jobs already running in the queue are not affected and will continue as normal.
  • New jobs cannot be submitted at this time.
  • Deletion of workspaces has been disabled.

Next Steps

We are working diligently to resolve the issue and will keep you informed as soon as the systems are available again. The optimistic ETA for return to service is the beginning of calendar week 29.

We apologize for the inconvenience and thank you for your understanding.



Training & Support
User Documentation
Cluster Funding
  • Please acknowledge bwUniCluster 3.0 in your publications.