====== 20211022 / Maintenance électrique d'Octobre ======

A power outage (planned, this time) will occur Saturday, October 23th 2021,
on ENS de Lyon Monod site.

There will be large operations on electrical systems over the week-end, and
PSMN Staff will also perform usual background upgrades.

Planned stops for PSMN are:
  * stop of all queues on **Friday, October 22th (before 12h00)**
  * poweroff of allo-psmn & ssh-psmn **at 12h00** on Friday, October 22th

Scheduling of PSMN restart will depend on maintenance operations, and is
scheduled Monday, October 25th (all day, ASAP, from DC SING is back to
"fully operationnal" to PSMN upgrades are OK).

Stay tuned: [[news:blog|http://www.ens-lyon.fr/PSMN/doku.php?id=news:blog]]

<note warning>also, /scratch/Chimie (Lake cluster) will be **erased** and rebuild from zero, starting 2021/10/22 **noon**.</note>


On the matter of upgrades, please have a look at (french only):
[[news:evolutions|http://www.ens-lyon.fr/PSMN/doku.php?id=news:evolutions]]

**BIG CHANGES** coming soon...




{{tag> power maintenance hard }}