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Revision as of 08:35, 1 September 2026
Maintenance schedule
| Scheduled downtime | Date | Planned work | Unavailable services |
|---|---|---|---|
| Autumn 2026 | 12–16 October 2026 | OS patching Lustre upgrade to version 2.17 |
HPC compute Login nodes Web applications Lustre storage |
| Spring 2027 | |||
| Autumn 2027 |
Anunna maintenance
Anunna is taken down for planned maintenance — firmware and software updates — roughly twice a year. Typically one downtime is scheduled in April or May and another in October, in a week free of teaching, to disrupt usage as little as possible.
During a downtime the cluster is unavailable. Jobs are not scheduled to run across a planned downtime, so check the announced dates when planning long jobs.
Announcements
Planned maintenance is announced in advance — watch the Message of the Day on the Apps Portal, login nodes and we always send out an announcement in advance over e-mail.
Reporting problems
If something is not working — during or outside maintenance — see How to Get Help.