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Cisco UCS 平台上的 NFS , iSCSI 或 FCP 性能问题

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ontap-9
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perf
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适用场景

  • 所有 FAS 或 AFF 平台
  • 所有 E 系列平台
  • 所有 SolidFire 平台
  • Cisco UCS 平台
  • VMware ESXi
  • FCP , iSCSI 或 NFS 连接

问题描述

  • 用户端或虚拟机会出现高延迟,但网络和存储响应时间不会显示问题描述。
  • 示例: ONTAP 9 qos statistics volume latency show 显示 1-10 毫秒的延迟,但 vSphere 性能图可能显示 5-10 秒的延迟。
    • VMware 可能还会显示路径摆动问题,用户将看到 30 秒或更长时间的延迟,然后 I/O 将恢复。

 

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