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A PDU (Power Distribution Unit) went down this early morning, powering off 24 nodes on Cascade.
Nodes are restarting.
We have a unknown network problem. We are working on it.
EDIT: It was a problem with /applis/PSMN
stuck in a loop. Solved.
An electrical power outage for maintenance purpose will be held Saturday 21th of October 2023 (12 hours long maintenance).
See our online documentation:
Summer break: PSMN will be on minimum staffing, and only respond to urgencies (power outage, cooling outage, fire, …) for the next coming weeks.
Important side note: /scratch/Cascade
on Cascade cluster will be replaced (and
thus data destroyed) by new hardware on the first weeks of September 2023.
Urgent security upgrades must be perfomed, with reboot. Impacted services: gateways (ssh.psmn, allo-psmn)