NOTICE: FULL O2 Cluster Outage, January 3 - January 10th

O2 will be completely offline for a planned HMS IT data center relocation from Friday, Jan 3, 6:00 PM, through Friday, Jan 10

  • on Jan 3 (5:30-6:00 PM): O2 login access will be turned off.
  • on Jan 3 (6:00 PM): O2 systems will start being powered off.

This project will relocate existing services, consolidate servers, reduce power consumption, and decommission outdated hardware to improve efficiency, enhance resiliency, and lower costs.

Specifically:

  • The O2 Cluster will be completely offline, including O2 Portal.
  • All data on O2 will be inaccessible.
  • Any jobs still pending when the outage begins will need to be resubmitted after O2 is back online.
  • Websites on O2 will be completely offline, including all web content.

More details at: https://harvardmed.atlassian.net/l/cp/1BVpyGqm & https://it.hms.harvard.edu/news/upcoming-data-center-relocation

Optimizing O2 Jobs

Owned by Raffaele Potami
Last updated: Aug 29, 2022 by Amir Karger
1 min read

When submitting jobs to the O2 cluster it is important to optimize utilization of the allocated computational resources. Increasing each job’s efficiency will result in a lower fair-share consumption, an increased throughput and a reduced cost (when applicable).

The slides below provide the basic aspect that each user should pay attention to when submitting jobs to the cluster. (Put your mouse on the slides to scroll through them.)_

 

 

 

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