FAS Research Computing - Network issues - Cluster degraded – 障害情報詳細

一部のシステムでパフォーマンスが低下しています

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


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Network issues - Cluster degraded

解決済み
重大な障害
開始日時 3か月前持続した 5日

影響あり

Cannon Cluster

パフォーマンス低下中 から 1:34 PM ～ 8:41 PM

SLURM Scheduler - Cannon

パフォーマンス低下中 から 1:34 PM ～ 8:41 PM

Cannon Compute Cluster (Holyoke)

パフォーマンス低下中 から 1:34 PM ～ 8:41 PM

Boston Compute Nodes

パフォーマンス低下中 から 1:34 PM ～ 8:41 PM

GPU nodes (Holyoke)

パフォーマンス低下中 から 1:34 PM ～ 8:41 PM

seas_compute

パフォーマンス低下中 から 1:34 PM ～ 8:41 PM

アップデート
  • 解決済み
    解決済み

    This incident has been resolved by draining and rebooting any nodes with stuck mounts.

  • 監視中
    監視中

    Mounts to Holyoke Isilon (specifically /n/sw) are broken on numerous nodes across the cluster. We have a check rolling out to find these nodes so we can remediate them individually. Until remediated the cluster will be in a degraded state. Running jobs may randomly die or fail as they hit nodes that have stale mounts.

    It will be risky to run jobs for the next hour and then, after that point, the cluster will have a large number of nodes closed waiting for them to drain so we can reboot them and fix the mounts.

    At this time we are unaware of any holy-isilon problems other than the effect this had on cluster nodes/running jobs. We will update should we identify any data storage concerns.

  • 原因判明済み
    原因判明済み

    Mounts to Holyoke Isilon (specifically /n/sw) are broken on numerous nodes across the cluster. We have a check rolling out to find these nodes so we can remediate them individually. Until remediated the cluster will be in a degraded state. Running jobs may randomly die or fail as they hit nodes that have stale mounts.

    It will be risky to run jobs for the next hour and then, after that point, the cluster will have a large number of nodes closed waiting for them to drain so we can reboot them and fix the mounts.

  • 調査中
    調査中

    A network issue affecting storage critical to the cluster is It's causing instability. The cluster is currently in a degraded state as a result. We are looking into the problem. Updates to follow..

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