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节点所有聚合同时出现高写入延迟

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适用于

ONTAP 9

问题

  • 关键工作负载的应用程序响应时间下降

Disk Write Latency - 1.png

  • 在同一时间点，同一节点下的所有聚合都会经历背靠背 CP。
  • 这导致 WAFL Susp CP 引发高延迟。
  • 未观察到硬件故障、磁盘错误或前端端口瓶颈。

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