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

• None

Recently resolved problems and planned maintenance

• 2024-11-05T08:00 CET Sigma will be undergoing planned maintenance and will not be accessible. See this email for more information.
• 2024-10-13T10:53 to 2024-10-14T12:24 CEST - A problem with the Omni-Path network in Tetralith and Sigma caused various problems. All running jobs failed.
• 2024-10-01T14:00 to 15:30 CEST - Freja planned downtime for OS updates and file system retirement. See email with more information.
• 2024-09-24T16:43 to 18:16 CEST - Tetralith login node problems, logins unavailable.
• 2024-09-10T13:00 to 18:00 CEST - Berzelius system server will undergo planned maintenance. See this email for more information.
• 2024-08-28T07:00 CEST - Reboot of the Tetralith login node tetralith1. Logged-in users will be logged out, but you can reconnect and use the other login node. Estimated downtime: up to 1h. Running and queued jobs not affected.
• 2024-08-29T07:00 CEST - Reboot of the Tetralith login node tetralith2. Logged-in users will be logged out, but you can reconnect and use the other login node. Estimated downtime: up to 1h. Running and queued jobs not affected.
• 2024-08-30T07:00 CEST - Reboot of the Sigma login node. Logged-in users will be logged out. You can not access Sigma during the downtime. Estimated downtime: up to 30 minutes. Running and queued jobs not affected.
• 2024-08-26T13:45 to 14:35 CEST - Freja login node unavailable.
• 2024-08-22T14:00 to 18:00 CEST - Login nodes on Berzelius will undergo planned maintenance. See this email for more information.
• 2024-08-14T09:32 to 11:05 CEST - Tetralith/Sigma /home, /proj and /software file systems hung due to server problem. New logins not possible. Running jobs should not have failed outright but might time out if they were delayed due to not being able to read or write to disk during that period.

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