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20250707 / Cooling system is back

We have been informed that the DC ENSL cooling system is back online.

Partitions Lake and Lake-premium are back at full capacity. Frequencies resume following the usual pattern (minimum frequency by day, maximum frequency at night).

2025/07/07 14:23 · ltaulell

20250630 / Cooling and scratch

  • Cooling system is still under heavy load (and awaits repairs)
    • Lake partitions are reduced, and frequencies set at minimum
    • Cascade partitons have frequencies set at minimum
  • Scratch Cascade is almost full
    • please cleanup, before I do…
    • find /scratch/Cascade/$USER/ --dry-run -type f -iname '*' -ctime +180 -exec rm -f {} \;
    • find /scratch/Cascade/$USER/ --dry-run -empty -type d -delete

remove –dry-run for thrilling action.

2025/06/30 06:55 · ltaulell

20250627 / Cooling in datacenter

“Depuis 11h, un problème de groupe froid (1/4 en rade) affecte le Data Center (salle SING).

Nous devons impérativement limiter la chauffe de nos installations en les arrêtant ou en limitant leur fréquence.”

There's a problem with datacenter cooling system. Frequencies will be reduced and unused nodes will be powered off during all week-end.

edit: Lake & Lake-premium are in drained mode for the WE: running jobs will finish, queued jobs will stay queued.

If it is not enough, Cascade & Cascade-premium will endure the same fate, or worst (poweroff…).

2025/06/27 17:38 · ltaulell

20250611 / scratch/Cral

Probably because a high energy particule went by, scratch/Cral went awol around 11:00.

(for real, reason unknown, but 2 servers of the pack suddendly decided that “no.”)

Plan B applied, with conviction, things should be back to normal.

2025/06/11 10:12 · ltaulell

20250605 / problem with data10

data10, home of chimie logins has been down for a few hours. Staff is looking into it.

EDIT 05-06-2025,14:30 good news, data are OK. bad news, network is HS.

EDIT 05-06-2025,16:00 GOOD news, Emmanuel and Cerasela resolved the problem.

2025/06/05 12:31 · ltaulell
news/blog.txt · Dernière modification : 2020/08/25 15:58 de 127.0.0.1