Hörsaalsupport

The queue originated within the Hörsaal 4.0 project and is maintained and managed by the CLS.

Storage System Maintenance

Partial Maintenance
Thu 08/20/2026 12:00 PM - Thu 08/20/2026 01:22 PM

Due to maintenance work on the storage system (Ceph Storage), the following applications will experience disruptions during the maintenance window:

  • RWTHonline: Documents cannot be uploaded or downloaded in the “Submission of Final Theses” application. You should also complete any file uploads before the maintenance window begins to avoid errors.
  • RWTHmoodle: Playing and editing existing videos, as well as uploading new videos, will not be possible. This only affects videos made available via the “Opencast” streaming application.
  • Lecture Hall Streaming: Streaming videos from the lecture halls will not be possible.
  • GitLab: Uploads (and downloads) of user files and images, CI/CD pipelines, artifacts and registries, and LFS will not be available. Backups will also not be possible.
  • Linux Installation Server: The provision of Linux RPM packages and Kickstart files will be affected during the maintenance period.
  • GigaMove: Uploading and downloading files will not be possible.
07.08.2026 12:04
Updates

Die Wartung ist nun erfolgreich abgeschlossen.

20.08.2026 13:22

Opencast-Videos-Upload not possible

Partial Maintenance
Thu 07/30/2026 03:01 PM - Fri 07/31/2026 09:09 AM

Due to critical maintenance, videos cannot currently be uploaded to the Opencast streaming server.

Videos can still be played.

30.07.2026 15:34
Updates

Partial maintenance has been completed.

03.08.2026 09:01

Recording Not Available via RWTHmoodle

Partial Outage
Mon 06/22/2026 10:00 AM - Mon 06/22/2026 05:00 PM

Recording Not Available via RWTHmoodle

22.06.2026 11:28
Updates

Partial outage has been resolved.

23.06.2026 08:06

RWTHmoodle Still Down

Outage
Mon 06/22/2026 12:00 PM - Mon 06/22/2026 05:00 PM

Although most services are back up and running following today's widespread outage, RWTHmoodle remains unavailable.

As a result, recordings in Hörsaal 4.0 are currently not possible.

22.06.2026 13:47
Updates

The issue has been fixed.

22.06.2026 17:08

Busbar Replacement - Restrictions on Various Services

Partial Maintenance
Tue 02/10/2026 08:30 AM - Tue 02/10/2026 09:00 AM

Due to a necessary replacement of a busbar, there may be restrictions on Ceph Storage and related applications on February 10, 2026, between 8:30 a.m. and 9:00 a.m.
We kindly ask you to take these restrictions into account when planning your work.

Specifically, the following applications are affected:
- RWTHonline: Documents cannot be uploaded or downloaded in the “Submission of Final Theses” application. File uploads should also be completed before the maintenance period at 9:30 a.m. to avoid errors.
- RWTHmoodle: It will not be possible to play or edit existing videos or upload new videos. Only videos made available via the “Opencast” streaming application will be affected.
- Lecture hall streaming: It will not be possible to stream videos from the lecture halls.
- GitLab: No uploads (or downloads) of user files and images, no CI-CD pipelines, no artifacts and registries, and no LFS will be available. Backups will also not be possible.
- Linux installation server: The provision of Linux RPM packages and Kickstart files will be affected during the maintenance period.

04.02.2026 16:44

Storage System Maintenance

Partial Maintenance
Mon 12/29/2025 09:30 AM - Mon 12/29/2025 12:00 PM

Due to work on the storage system (Ceph Storage), the following applications will be affected during the maintenance period between 9:30 a.m. and 12 p.m.:
- RWTHonline: Documents cannot be uploaded or downloaded in the “Submission of Final Theses” application. File uploads should also be completed before the maintenance period at 9:30 a.m. to avoid errors.
- RWTHmoodle: It will not be possible to play or edit existing videos or upload new videos. Only videos made available via the “Opencast” streaming application will be affected.
- Lecture hall streaming: It will not be possible to stream videos from the lecture halls.
- GitLab: No uploads (or downloads) of user files and images, no CI-CD pipelines, no artifacts and registries, and no LFS will be available. Backups will also not be possible.
- Linux installation server: The provision of Linux RPM packages and Kickstart files will be affected during the maintenance period.

17.12.2025 14:13
Updates

The maintenance has been successfully completed.

29.12.2025 15:31

Opencast videos cannot be played, uploaded or imported.

Partial Outage
Tue 11/18/2025 11:00 AM - Wed 11/19/2025 09:00 AM

Currently, Opencast videos cannot be played. Our specialist department has already been informed and is working on resolving the issue.
It is also not possible to import or upload Videos.

18.11.2025 11:35

Not possible to play or upload Opencast Videos

Partial Maintenance
Thu 10/09/2025 07:00 AM - Fri 10/10/2025 09:40 AM

On Thursday, October 9, 2025, from 7 to 8 a.m., the RWTH streaming server Opencast will be updated to version 18.
Following maintenance, all existing videos will be reindexed.
Videos cannot be played during reindexing. The Opencast block for uploading new videos is also unavailable.
Reindexing is expected to last until October 10, 2025, at 12 noon. Please refer to the latest information in the maintenance portal.

30.09.2025 14:49

Opencast Streaming Server is down

Partial Outage
Fri 05/23/2025 01:50 PM - Fri 05/23/2025 03:40 PM

Opencast videos cannot be played at the moment. The import of videos from other learning rooms and the processing of uploaded videos are also not possible.
We are working on a solution.

23.05.2025 14:07

Opencast-Videos cannot be played

Partial Outage
Thu 05/08/2025 02:10 PM - Fri 05/09/2025 09:20 AM

Opencast videos cannot be played at the moment. We are working on a solution.

08.05.2025 14:55

Aufzeichnungen im HS Physik zurzeit nicht möglich

Outage
Tue 01/28/2025 09:45 AM - Wed 01/29/2025 08:00 AM

Im Hörsaal Physik ist durch eine defekte Komponente zurzeit keine Aufzeichnung via Extron möglich.
Ein Austausch ist bereits geplant und soll im Verlauf der Woche stattfinden.
Bitte beachten Sie das in Ihrer Planung und weichen Sie auf die Aufzeichnung mit dem Videokonferenz-PC aus.

28.01.2025 10:11
Updates

Das Extron-Gerät wurde ausgetauscht, Aufzeichnungen sind wieder möglich.

29.01.2025 09:10

RWTHmoodle - Video-Upload auf Opencast-Streamingserver nicht möglich/Video upload to Opencast streaming server currently unavailable

Partial Outage
Thu 01/16/2025 01:15 PM - Thu 01/16/2025 02:30 PM

It is currently not possible to upload videos to the Opencast streaming server. The specialist department has been informed and is working on a solution.
If you need to upload videos urgently, the following options are still available:
- Uploading video as File resource (max. file size 250 MB): https:
help.itc.rwth-aachen.de/en/service/8d9eb2f36eea4fcaa9abd0e1ca008b22/article/900450ad4e994bf4a67d125c07d4ac05/
- Using Sciebo or Gigamove:
Sciebo: https:
help.itc.rwth-aachen.de/en/service/8d9eb2f36eea4fcaa9abd0e1ca008b22/article/44c0a1a05ddf4e879788fb4c56e05ae6/
Gigamove: https:
help.itc.rwth-aachen.de/en/service/1jeqhtat4k0o3/article/8878ac54ae7f483fb181ecdc4c9aa8f6/

16.01.2025 13:26
Updates

The malfunction has been resolved.

16.01.2025 14:37

H03 Störung Wacom Tablet

Partial Outage
Wed 12/18/2024 01:00 PM - Mon 01/06/2025 07:00 AM

There are currently technical problems with the Wacom tablet in lecture hall H03 (C.A.R.L.) Due to a loose contact, it may display a black screen and therefore cannot be operated. As a result, the use of the lecture hall PC is also restricted or not possible. We are already working on replacing the device as soon as possible.

18.12.2024 13:18
Updates

Das Wacom-Tablet wurde ausgetauscht und ist wieder einsatzbereit. Auch der Hörsaal-PC kann wieder wie gewohnt genutzt werden.

06.01.2025 07:48

H01 C.A.R.L. | Einzelprojektion derzeit nicht möglich

Partial Outage
Mon 11/18/2024 04:15 PM - Wed 12/04/2024 08:00 PM

It is currently not possible to project a single projection in lecture hall H01 (C.A.R.L.). We are workung to resolve the problem as quickly as possible.

19.11.2024 08:24

Hörsaal Physik | Hörsaal-PC ist aufgrund eines technischen Problems aktuell nicht nutzbar

Notice
Tue 10/15/2024 01:30 PM - Mon 11/04/2024 11:30 AM

The lecture hall computer (Hörsaal-PC) in the Physics lecture hall (Hörsaal Physik) cannot be used at the moment. There is a malfunction on the screen that causes the image to flicker and prevents unrestricted use. Until the problem has been resolved, please use your own device. The video conference computer is available as usual.

15.10.2024 13:44
Updates

Der Hörsaal-PC steht wieder uneingeschränkt zur Verfügung.

04.11.2024 11:33