FAS Research Computing - Notice history

All systems operational

Status page for the Harvard FAS Research Computing cluster and other resources.

Cluster Utilization (VPN and FASRC login required): Cannon | FASSE


Please scroll down to see details on any Incidents or maintenance notices.
Monthly maintenance occurs on the first Monday of the month (except holidays).

GETTING HELP
Documentation: https://docs.rc.fas.harvard.edu | Account Portal https://portal.rc.fas.harvard.edu
Email: rchelp@rc.fas.harvard.edu | Support Hours

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Operational

SLURM Scheduler - Cannon - Operational

Cannon Compute Cluster (Holyoke) - Operational

Boston Compute Nodes - Operational

GPU nodes (Holyoke) - Operational

seas_compute - Operational

Operational

SLURM Scheduler - FASSE - Operational

FASSE Compute Cluster (Holyoke) - Operational

Operational

Kempner Cluster CPU - Operational

Kempner Cluster GPU - Operational

Operational

FASSE login nodes - Operational

Operational

Cannon Open OnDemand/VDI - Operational

FASSE Open OnDemand/VDI - Operational

Operational

Netscratch (Global Scratch) - Operational

Home Directory Storage - Boston - Operational

Tape - (Tier 3) - Operational

Holylabs - Operational

Isilon Storage Holyoke (Tier 1) - Operational

Holystore01 (Tier 0) - Operational

HolyLFS04 (Tier 0) - Operational

HolyLFS05 (Tier 0) - Operational

HolyLFS06 (Tier 0) - Operational

Holyoke Tier 2 NFS (new) - Operational

Holyoke Specialty Storage - Operational

holECS - Operational

Isilon Storage Boston (Tier 1) - Operational

BosLFS02 (Tier 0) - Operational

Boston Tier 2 NFS (new) - Operational

CEPH Storage Boston (Tier 2) - Operational

Boston Specialty Storage - Operational

bosECS - Operational

Samba Cluster - Operational

Globus Data Transfer - Operational

Notice history

Jan 2026

FASRC monthly maintenance Monday January 12th, 2026 9am-1pm
Scheduled for January 12, 2026 at 2:00 PM – 6:00 PM about 4 hours
  • Planned
    January 12, 2026 at 2:00 PM
    Planned
    January 12, 2026 at 2:00 PM

    Monthly maintenance will take place on January 12th, 2026. Our maintenance tasks should be completed between 9am-1pm.

    NOTICES:

    • Changes to SEAS partitions, please see tasks below.

    • Changes to job age priority weighting, please see tasks below.

    • 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).

    • We'd love to hear success stories about your or your lab's use of FASRC. Submit your story here.

    MAINTENANCE TASKS

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

    • Slurm upgrade to 25.11.1

      • Audience: All cluster users (Cannon and FASSE)

      • Impact: Jobs will be paused during maintenance

    • In conjunction with SEAS we will modify seas_gpu and seas_compute time limits 

      • Audience: SEAS users

      • Impact:
        seas_gpu: will be set to 2 days maximum
        seas_compute: will be set to 3 days maximum

        Existing pending jobs longer than these limits will be set to 2 day and 3 day run times depending on partition.

    • Job Age Priority Weight Change

      • Audience: Cluster users

      • Impact: We will be adjusting the weight applied to the priority earned by jobs by virtue of their age. Currently job priority is made up of two factors, Fairshare and Job Age. The Job Age factor is currently set such that jobs gain priority over 3 days with a maximum priority equivalent to jobs with Fairshare of 0.5. This keeps low fairshare jobs from languishing at the bottom of the queue. With the current settings though, users with low fairshare can gain significant advantage over users with higher relative fairshare. To remedy this we will be adjusting the Job Age weight to cap out at an equivalent Fairshare of 0.1. This will still allow jobs with 0 fairshare to gain priority and thus not languish while letting fairshare govern a wider range of higher priority jobs.

    • Login node reboots

      • Audience; All login node users

      • Impact: Login nodes will reboot during the maintenance window

    • Open OnDemand (OOD) node reboots

      • Audienc:; All OOD users

      • Impact: OOD nodes will reboot during the maintenance window

    • Netscratch retention will run

      • Audience: All cluster netscratch 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/

Dec 2025

Scheduling down on Cannon
  • Resolved
    Resolved

    We have found the malformed job which caused the scheduler to wedge and have cancelled it. We will continue to work with SchedMD to prevent future stalls. The scheduler is back in operation. Happy Holidays!

  • Update
    Update

    We have filed a ticket with SchedMD to diagnose the issue (https://support.schedmd.com/show_bug.cgi?id=24376). All partitions are set to DOWN as we assess the situation

  • Investigating
    Investigating

    The slurm scheduler ground to halt at 3pm EST. We are investigating the cause.

Bauer MiniLIMS is down
  • Resolved
    Resolved
    Bauer MiniLIMS is back up. This incident was automatically resolved.
  • Investigating
    Investigating
    Bauer MiniLIMS is down at the moment. This incident was automatically created.
Login node reboots
  • Resolved
    Resolved

    Login nodes have been rebooted, and tier 1 shares are accessible from there.

    This incident has been resolved.

  • Investigating
    Investigating

    Due to Tier 1 Isilon shares not mounting properly, login nodes will need to be rebooted.

    We are currently investigating this incident.

Isilon shares not accessible
  • Resolved
    Resolved

    This incident has been resolved. All Tier 1 shares are accessible.

  • Investigating
    Investigating

    Storage shares on Tier 1 Isilon may not be accessible at this time. We are currently investigating this incident.

Authentication outage
  • Resolved
    Resolved

    Openauth/radius is now operational. This update was created by an automated monitoring service.

  • Investigating
    Investigating

    Authentication issues with openauth/radius. This incident was created by an automated monitoring service.

Nov 2025

Coldfront outage
  • Resolved
    Resolved

    This alert was a false alarm. Coldfront is operating normally.

  • Investigating
    Investigating
    Coldfront cannot be accessed at the moment. This incident was created by an automated monitoring service.
Authentication outage
  • Resolved
    Resolved

    This test incident has been resolved.

  • Investigating
    Investigating

    Authentication issues with openauth/radius. This incident was created by an automated monitoring service.

Slurm scheduler unplanned maintenance
  • Resolved
    Resolved
    The Slurm scheduler is back online.
  • Identified
    Identified
    The Slurm scheduler is experiencing a problem and we need to take it down briefly to clear this up. Should be short duration, but no ETA yet. This will not affect running jobs but will mean you cannot talk to the scheduler or submit new jobs.
Starfish dashboard maintenance Nov. 14th 5-6PM
  • Completed
    November 14, 2025 at 11:00 PM
    Completed
    November 14, 2025 at 11:00 PM
    Maintenance has completed successfully
  • In progress
    November 14, 2025 at 10:00 PM
    In progress
    November 14, 2025 at 10:00 PM
    Maintenance is now in progress
  • Planned
    November 14, 2025 at 10:00 PM
    Planned
    November 14, 2025 at 10:00 PM

    There is a planned upgrade of the Starfish dashboard scheduled for Friday November 14th starting at 5PM.
    The dashboard will be down for an hour while the upgrade is performed.

Slurm scheduler issues - WIP
  • Resolved
    Resolved

    The Slurm scheduler is back up and new jobs can be scheduled at this time.

    This incident has been resolved.

  • Identified
    Identified
    The Slurm job scheduler will be offline temporarily while we resolve some minor issues. Jobs will continue to run but you will be unable to access the scheduler or submit new jobs until we return it to service.

Nov 2025 to Jan 2026

Next

For issues not shown here, please contact FASRC via
https://portal.rc.fas.harvard.edu or email rchelp@rc.fas.harvard.edu