| Start: | 2026-01-01 09:00:00 |
| End: | Unknown |
| Updated: | 2026-02-13 15:03:45 |
| Level: | medium |
An issue with the I/O system of Hortense is causing performance problems. This might lead to file system lags and delays. We are in contact with our vendor ATOS to in-depth research and pinpoint the underlying issue. However, identifying (and hopefully resolving) this issue will likely still take considerable time.
| Start: | 2026-03-09 08:00:00 |
| End: | 2026-03-13 18:00:00 |
| Updated: | 2026-02-13 15:03:45 |
| Level: | high |
Updates to hardware configuration and software will be performed, mainly related to the high speed network and the I/O subsystem.
The following infrastructure and services will be unavailable during this period: Tier1 Compute Hortense in full, including all workernodes as well as login and debug nodes, and the dedicated Tier1 scratch filesystem.
Please be aware that during the maintenance period, you will not be able to access any data located on Tier1 Hortense system.
| Start: | 2026-09-15 08:00:00 |
| End: | 2026-09-15 18:00:00 |
| Updated: | 2026-02-13 15:03:45 |
| Level: | high |
For an electrical inspection of the UGent datacenter, all main power will have to be shut down.
Tier1 Hortense will be offline, including workernodes, login- and debugnodes and the dedicated Tier1 scratch system.