VSC Tier1 Compute status page

Current incidents

Performance issues to Tier1 systems

Start: 2026-01-01 09:00:00
End: Unknown
Updated: 2026-03-31 21:12:37
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.

Planned maintenance

UGent datacenter maintenance, impacting Tier1 Hortense

Start: 2026-09-15 08:00:00
End: 2026-09-15 18:00:00
Updated: 2026-03-31 21:12:37
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.