[Tetralith-users] Done tetralith1 - Re: Terralith login nodes reboots today, tetralith1 14:30-15:30 CEST, tetralith2 15:30-16:30 CEST

[Fredrik Nyström]

Dear Tetralith Users,

tetralith1 is now running again.

Kind Regards / Fredrik Nyström, NSC

On 2018-09-28 11:22, Fredrik Nyström wrote:
> Dear Tetralith Users,
> 
> sorry for the short notice, we need to install a security update on 
> Tetralith login nodes. We will try to keep downtime to a minimum but it 
> may take up to 1 hour.
> 
> The login node tetralith1 will be rebooted today starting at 14:30 CET.
> 
> The login node tetralith2 will be rebooted today starting at 15:30 CET.
> 
> There is a mitigation in place since Wednesday but that has a side 
> effect of restricting stack size to 30M.
> 
> Compute nodes are running a rolling upgrade since Wednesday evening.
> 
> While one login node is rebooted, the other will be available, and new
> SSH and ThinLinc sessions will be sent to the working login node. So
> if you're logged out at the times given above, just login again and
> keep working.
> 
> 
> Kind Regards,

-- 
Fredrik Nyström, National Supercomputer Centre
freny at nsc.liu.se, +46 13 28 1155