FAS Research Computing - FASRC Monthly maintenance July 7, 2025 9AM-1PM – Maintenance details

FASRC monthly maintenance will take place Monday July 7th, 2025 from 9am-1pm

NOTICES

• ​New Quota tool available (/usr/local/sbin/quota) - Works on all filesystem types (home directory, lustre, isilon, netscratch, etc.)
  Type quota -h to see the full instructions for usage o visit the usage doc.

• Training: Upcoming training from FASRC and other sources can be found on our Training Calendar. at https://www.rc.fas.harvard.edu/upcoming-training/

• Status Page: You can subscribe to our status to receive notifications of maintenance, incidents, and their resolution at https://status.rc.fas.harvard.edu/ (click Get Updates for options).

• Upcoming holidays:​ Juneteenth - ​T​hur. June 19​ / Independence Day - Fri​. July 4

MAINTENANCE TASKS
Cannon cluster will be paused during this maintenance?: YES
FASSE cluster will be paused during this maintenance?: YES

• Slurm Upgrade to 24.11.5

  • Audience: All cluster users

  • Impact: Jobs and the scheduler will be paused during this upgrade

• Login node ​OS ​upgrades

  • Audience: Anyone logged into a FASRC Cannon or FASSE login node

  • Impact: All login nodes will ​upgraded ​and unavailable during this maintenance window

• ​Start of cluster OS upgrades - July 7 -10

  • Audience: All cluster users

  • Impact: Over 4 days, July 7 through 10, we will upgrade the OS on 25% of the cluster each day. During that time, total capacity will be reduced across the cluster by 1/4 each day. This will require draining each sub-set of nodes ahead of time. 

• Netscratch cleanup ( https://docs.rc.fas.harvard.edu/kb/policy-scratch/ )

  • Audience: Cluster users

  • Impact: Files older than 90 days will be removed. Please note that retention cleanup can and does run at any time, not just during the maintenance window.

Thank you,
FAS Research Computing
https://docs.rc.fas.harvard.edu/
https://www.rc.fas.harvard.edu/