[Berzelius-users] Berzelius login node maintenance on 26th and 27th of September

[Henrik Henriksson]

Due to unanticipated hardware issues during the maintenance of the login node
berzelius1, the timeplan has changed a bit:

  - We aim to get berzelius1 back online tomorrow morning,

  - Service of berzelius2 will be postponed until Thursday 2023-09-28 09:00.

The cluster should remain reachable through berzelius.nsc.liu.se at all times.
Batch scheduling is unaffected, but all user on an affected login node will be
logged out at the start of the maintenance window.

Henrik Henriksson
Systems Administrator
National Supercomputer Centre

On 2023-09-13 11:07, Filip Polbratt wrote:
> Dear Berzelius Users,
> 
> both login nodes of Berzelius require hardware maintenance. This will be 
> split across two dates.
> 
> * Tuesday the 26th of September starting at 09:00 we will work on 
> hardware repair on berzelius1.
> * On Wednesday the 27th the starting at 09:00 same work will be 
> performed on berzelius2.
> 
> We might be able to return the login nodes to service earlier. However, 
> this should not be expected and depended upon.
> 
> All users will be logged out from the login nodes as part of the 
> maintenance. Batch jobs will not be affected, interactive jobs will be 
> canceled when users are logged out.
> 
> There should always be one login node available and 
> "berzelius.nsc.liu.se" should always be available.
> 
> Best regards,
> Filip Polbratt
> NSC
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