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为什么启用 FabricPool 时 CPU 很高?

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ontap-9
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perf
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适用于

  • ONTAP 9
  • FabricPool/启用云分层的系统

回答

  • 分层扫描仪使用大多数可用的后台 CPU 周期。
  • 这些实际上与备用 CPU 周期相同,但用于确保数据有效分层。
  • 这是正常现象,不应用于考虑高 CPU 利用率。
  • 由于扫描仪数量增加和优先级增加,ONTAP 9.11.1 增加了 CPU。
  • 从 9.13.0 开始,在活动文件系统 (AFS) 中的任何数据分层后,分层扫描仪将自动启动重定向扫描。
  • ONTAP 9.11.1 将分层扫描仪从 10 个增加到 20 个,如 CONTAP-64247 中所述,适用于所有系统,而不仅仅是 AFF
  • 如果需要故障转移,它们将根据需要自动静止以处理接管的负载。

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