System status

Please note: this is a manually updated message.

We will try to update this message when we have major user-visible problems on any of our systems. We also provide information via email to all users of affected systems (via the somesystemname-users@lists.nsc.liu.se mailing lists).

If something is not working, please don't hesitate to contact us even if this message says that everything is working! Sometimes we forget to update this page when we're busy investigating a major problem...

Times and dates are in local time (CET/CEST) unless stated otherwise.

Ongoing

• none

Future planned maintenance

• 2024-04-22T08:00 CEST - reboot and update of Tetralith's login node tetralith1. Expected downtime: up to 60 minutes. Running and queued jobs not affected. During the downtime you can still reach the other login node normally.
• 2024-04-22T09:00 CEST - reboot and update of Sigma's login node. Expected downtime: up to 30 minutes. Running and queued jobs not affected. During the downtime you can not access Sigma.
• 2024-04-22T10:00 CEST - reboot and update of Tetralith's login node tetralith2. Expected downtime: up to 60 minutes. Running and queued jobs not affected. During the downtime you can still reach the other login node normally.
• 2024-05-02T08:00 to 2024-05-02T18:00: Berzelius Slurm update and rolling reboot and update of login nodes. See this email for more information.

Recently resolved problems and planned maintenance

• 2024-04-03T07:00 to 2024-04-09T16:30: Berzelius unavailable for maintenace for 2 days. Outage extended due to issues with filesystem. See this email for more information.
• 2024-02-20T07:00 to 2024-02-20T13:50: Berzelius login nodes unavailable for maintenace. See this email for more information.
• 2024-02-13T07:00 to 2024-02-14T14:30: Tetralith and Sigma unavailable due to upgrades of the system servers (running job scheduler, etc.) to Rocky Linux 9 and reconfigure the storage system (Centre Storage)

Queue system status

An overview of the overall system load is available on the status page.

Graphical representations of the current queue on some of our systems:

• Tetralith
• Sigma
• Bi