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Stand: 21.10.2026 09:38:25

Incidents

 2026-10-19 11:30 - 2026-10-20 13:00

HPC: Disruption of all HPC services - FIXED


DescriptionDue to a serious security vulnerability, all login nodes for all HPC systems at KIT have been disabled. Jobs in the queue continue to run.
Currently, the interactive usage of HPC systems is not possible.

Users of the individual HPC systems will be notified via the relevant mailing lists.
Additional InformationThe lockdown has been lifted, access to the HPC cluster's interactive systems—login nodes and JupyterHub—is once again available.

Jobs that were already running or in the queue were not affected by this measure.

Changes to the systems can be viewed in [1] and [2].

[1] https://docs.nhr.kit.edu/support/maintenance/
[2] https://wiki.bwhpc.de/e/BwUniCluster3.0/Maintenance
Affected usersHPC-Users
Existed since2026-10-19 11:30
Fixed since2026-10-20 13:00

Maintenance

Stand: 21.10.2026 09:38:26

Announcements

 2026-10-20 15:32

LSDF Service Login+WebDAV Cluster: Introduction of a weekly maintenance window from 22 October 2026


DESCRIPTION & REASON
Due to the increasing number of security updates that need to be installed, we will be introducing a regular maintenance window from 22 October 2026.

SCHEDULE
Frequency: weekly (occasionally)
Day of the week: sporadically on Thursdays
Time: from 8.00 am to 10.00 am

AFFECTED LSDF Services
* LSDF Online Storage Login-Cluster (os-login.lsdf.kit.edu)
* LSDF Online Storage WebDAV-Cluster (os-webdav.lsdf.kit.edu)

IMPACT
During this time window short service interruptions up to 30 minutes have to be expected.

PLEASE NOTE
Maintenances within this time window will in the future not be announced separately via email.