[Berzelius-users] Berzelius downtime 2025-09-19

[Filip Polbratt]

Dear Berzelius users,

The system maintenance planned for today has been completed. Jobs are 
running as normal again.

Best regards,
Filip Polbratt, NSC

On 9/12/25 10:35, Filip Polbratt wrote:
> Dear Berzelius users,
> 
> the rolling reboot of Berzelius login nodes for urgent security updates 
> is done. Both login nodes are up since 10:25.
> 
> Next full downtime is on Tuesday 2025-09-23, starting at 09:00 CEST.
> 
> Best regards,
> Filip Polbratt, NSC
> 
> On 9/11/25 11:00, Filip Polbratt wrote:
>> Dear Berzelius users,
>>
>> due to urgent security updates we will restructure the downtime planed 
>> for Friday next week (2025-09-19) as a rolling update of the login 
>> nodes this Friday (tomorrow). During the update one login node will 
>> always be available. We will start with Berzelius2 at 2025-09-12 09:00 
>> CEST and follow up with Berzelius1 as soon as Berzelius2 has been 
>> returned to service. The full system stop will be delayed until 
>> Tuesday 2025-09-23 09:00 CEST. There will not be a downtime on 
>> 2025-09-19.
>>
>> Batch jobs will continue to run during the rolling update of the login 
>> nodes. Interactive jobs will be terminated when the login nodes are 
>> rebooted. All user sessions on the login nodes will be terminated.
>>
>> The reduced availability of 80GB A100 nodes is not affected by this 
>> and remains in place. The reduced availability is to allow for the 
>> commissioning and acceptance testing of a new weather forecasting 
>> cluster.
>>
>> Best regards,
>> Filip Polbratt, NSC
>>
>> On 9/9/25 14:32, Filip Polbratt wrote:
>>> Dear Berzelius users,
>>>
>>> due to system updates, we need to schedule a downtime of Berzelius 
>>> that starts at
>>>
>>>       2025-09-19 09:00 CEST
>>>
>>> During the downtime, Berzelius will be unavailable (with no jobs 
>>> running and users logged out from the login nodes).
>>>
>>> We expect to be able to bring Berzelius back up during the afternoon 
>>> on the same day.
>>>
>>> Additionally, from 2025-09-17 to 2025-09-21 the number of nodes with 
>>> 80GB A100 will be reduced due to work in the computer room where 
>>> Berzelius is located.
>>>
>>> Best regards,
>>> Filip Polbratt, NSC
>>> _______________________________________________
>>> Berzelius-users mailing list
>>> Berzelius-users at lists.nsc.liu.se
>>> https://lists.nsc.liu.se/mailman/listinfo/berzelius-users
>>
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> 
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