2025-06-01 21:00 - 23:59 UTC scheduled maintenance work on mu21 with a few times around 5-10 minutes downtime (OS security upgrade).
2025-06-01 23:45 - Completed
2025-06-01 14:40 - 18:00 UTC scheduled maintenance work on mu21 with a few times around 5-10 minutes downtime (OS security upgrade).
2025-06-01 15:55 - First upgrade completed - second starting
2025-06-01 18:07 - Completed
2025-01-02 11:50 - 12:05 UTC scheduled maintenance work on mu21 with around 10 minutes downtime (for a files-storage-array upgrade).
