[Berzelius-hopper-users] [Berzelius-users] Berzelius downtime on Wednesday 14th of January

[Filip Polbratt]

Dear Berzelius Ampere and Berzelius Hopper Users,

Berzelius Hopper is also running jobs and available now.

Best wishes,
Filip Polbratt,
NSC

On 1/14/26 15:01, Filip Polbratt wrote:
> Dear Berzelius Ampere and Berzelius Hopper Users,
> 
> Berzelius Ampere is up and accessible after some issues with the 
> network. The compute nodes have not been made available yet, but should 
> become available soon.
> 
> Berzelius Hopper will require more work before it is made available. We 
> estimate that this will happen around 17 CET.
> 
> Best wishes,
> Filip Polbratt,
> NSC
> 
> On 12/3/25 10:04, Filip Polbratt wrote:
>> Dear Berzelius and Berzelius-Hopper Users,
>>
>> on 2026-01-14 07:00 we will start a maintenance window for several 
>> tasks that require significant downtime of the clusters. The primary 
>> reason for this downtime is electrical work which require the power to 
>> the computer room to be cut during the work. There will also be work 
>> done on the cooling loop providing cold water to the computer room.
>>
>> Berzelius, Berzelius Hopper, and the shared storage are affected by 
>> this downtime.
>>
>> We are scheduling this maintenance window to start on the 14th at 
>> 07:00 and to last to 14:00.
>>
>> We might be able to return the login nodes and some compute nodes to 
>> service earlier. However, this should not be expected and depended upon.
>>
>> === Additional topics ===
>> To better understand the users’ needs and to plan our upcoming 
>> training activities, we invite all Berzelius users to share their 
>> input through a short survey. Please take a moment to fill out the 
>> form here:
>> https://nextcloud.liu.se/apps/forms/s/QWewNWroTaSDRjANqqXgii8m
>>
>> Thank you for helping us improve the Berzelius user experience.
>>
>> Best regards,
>> Filip Polbratt
>> NSC
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> 
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