FAS Research Computing - Istoricul notificărilor

Holyoke Tier 2 NFS: întrerupere parțială

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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Operațional

SLURM Scheduler - Cannon - Operațional

Cannon Compute Cluster (Holyoke) - Operațional

Boston Compute Nodes - Operațional

GPU nodes (Holyoke) - Operațional

seas_compute - Operațional

Operațional

SLURM Scheduler - FASSE - Operațional

FASSE Compute Cluster (Holyoke) - Operațional

Operațional

Kempner Cluster CPU - Operațional

Kempner Cluster GPU - Operațional

Operațional

FASSE login nodes - Operațional

Operațional

Cannon Open OnDemand - Operațional

FASSE Open OnDemand - Operațional

Întrerupere parțială

Netscratch (Global Scratch) - Operațional

Home Directory Storage - Boston - Operațional

Tape - (Tier 3) - Operațional

Holylabs - Operațional

Isilon Storage Holyoke (Tier 1) - Operațional

Holystore01 (Tier 0) - Operațional

HolyLFS04 (Tier 0) - Operațional

HolyLFS05 (Tier 0) - Operațional

HolyLFS06 (Tier 0) - Operațional

Holyoke Tier 2 NFS - Întrerupere parțială

Holyoke Specialty Storage - Operațional

holECS - Operațional

Isilon Storage Boston (Tier 1) - Operațional

BosLFS02 (Tier 0) - Operațional

Boston Tier 2 NFS - Operațional

CEPH Storage Boston (Tier 2) - Operațional

Boston Specialty Storage - Operațional

bosECS - Operațional

Samba Cluster - Operațional

Globus Data Transfer - Operațional

Istoricul notificărilor

Vezi starea actuală

iul 2022

IUL21
NESE tape (Tier 3) hardware maintenance/install
FinalizatMentenanță12 ore
  • Finalizat
    iulie 21, 2022 la 22:00UTC
    Finalizat
    iulie 21, 2022 la 22:00UTC

    Maintenance has completed successfully

  • În curs
    iulie 21, 2022 la 10:00UTC
    În curs
    iulie 21, 2022 la 10:00UTC

    Maintenance is now in progress

  • Planificată
    iulie 21, 2022 la 10:00UTC
    Planificată
    iulie 21, 2022 la 10:00UTC

    Our tier 3 tape system is part of and run by NESE (the NorthEast Storage Exchange).

    We have been informed that they will be installing additional tape drives to the system on July 21st and this will require a whole day downtime to accomplish. Tier 3 tape archives will not be available to our users on that date.

holylfs02 performance issues
Rezolvat815 ore 14 minute
  • Rezolvat
    UTC
    Rezolvat

    The unrepairable volume on holylfs02 is isolated to two labs and they have been informed of next steps. This issue does not affect other areas on holylfs02, so we are closing this incident.

  • Actualizare
    UTC
    Actualizare

    Recently we noticed an uptick in bad blocks on a RAID6 disk volume that is part of the entire filesystem. Generally speaking, the operating system will vector these out so no data is written there. During this period, we had to replace a number of drives due to failures; they are part of RAID 6 multi-disk set with dual parity and will rebuild with minimal impact on performance.

    What we believe happened is that, during the rebuild process, bad data was copied to the replacement disks and the filesystem got corrupted. One of the staff ran a read-only, non-destructive repair on the volume in question and noted quite a few errors.

    So far, we have 1) contacted the vendor (who gave us a command to clear additional bad blocks)
    2) NOT run the actual repair command to "fix" the filesystem (which would delete data) 3) contacted the vendor to see if they had any partners that might be able to assist. We are planning to meet with one of those partners early next week, but are not confident they will have a solution. At this point (and depending on how that meeting goes), the next step would be to run the repair, note the extent of loss, and attempt to get the volume remounted.

    Updates to follow when we have more information.

    Note that these shelves are covered under warranty support for another year. We see no need at present to replace the 3PB allocation with new hardware (this is planned to take place Q3-4 FY23)

  • Identificat
    UTC
    Identificat

    Users may experience issues connecting to holylfs02, or slow samba performance.

    This is due to a hardware issue with holylfs02, and we have opened a ticket with the vendor. Updates to follow.

    No ETA.

iun 2022

mai 2022

Slurm security patch causing node unavailability
RezolvatPerformanță scăzută2 ore 30 minute
  • Rezolvat
    UTC
    Rezolvat

    The scheduler and node states appear to be stable. Thank you for your patience and understanding.

    Please note that the intermittent deadlock issue is still not resolved, but we are actively monitoring that and intervening as necessary until we receive a solution.

  • În curs de monitorizare
    UTC
    În curs de monitorizare

    The patch has been deployed and the scheduler restarted. Paused jobs are resuming.

    Any jobs which did not start or were stuck may have been flushed. So please check any pending jobs you might have had.

    Related doc: https://docs.rc.fas.harvard.edu/kb/running-jobs/.

  • Identificat
    UTC
    Identificat

    We have tested the patch on our test cluster before releasing. We are now proceeding to deploy to the cluster. Thanks for your patience.

    UPDATE: jobs suspended, scheduler down for patching, nodes are updating.

  • În curs de investigare
    UTC
    În curs de investigare

    The Slurm emergency security patch introduced a bug which is causing many of our nodes to be set to 'not responding'. The vendor has already identified the issue and issued another patch.

    We are deploying this patch after testing. Jobs will be paused and the scheduler and cluster will be unavailable while deploying the patch. Watch here for updates.

Anterior

mai 2022 către iul 2022

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