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由于磁盘限制,GCP CVO 中的高延迟和磁盘利用率

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适用于

  • ONTAP 9
  • 适用于 Google Cloud Platform (GCP) 的 Cloud Volumes ONTAP (CVO)

问题

  • ONTAP 报告来自磁盘的高延迟
    • 示例: 正在运行  qos statistics volume latency show  在磁盘列中具有高延迟
Cluster::> qos statistics volume latency show Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 8.88ms 2.82ms 1.00us 1032.00us 5.02ms 0ms 2.00us 0ms citrix_home1-.. 6762 137.73ms 1.91ms 1.00us 22.93ms 112.89ms 0ms 0ms 0ms citrix_profi-.. 26764 133.29ms 1.82ms 0ms 2.84ms 128.62ms 0ms 0ms 0ms citrix_home2-.. 18527 78.48ms 1.96ms 0ms 7.69ms 68.83ms 0ms 0ms 0ms citrix_home3-.. 33649 50.51ms 239.00us 0ms 995.00us 49.28ms 0ms 0ms 0ms
  • 监控软件可能会显示高利用率峰值,例如 Active IQ Unified Manager 或 Harvest 的聚合视图:

High latency and disk utilization in GCP CVO due to disk limitations

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