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如果所有卷都存储在单个节点上,是否会出现性能问题

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适用于

  • ONTAP 9
  • FAS
  • AFF 

问题解答

  • 在 2 节点或更多节点集群中,如果所有或大多数卷都托管在单个节点上,则可能会出现性能问题,因为这可能会导致 CPU、内存和磁盘等系统资源的不同使用
  • 大多数 IO 将由托管卷的节点引导和处理
  • 这也可能导致系统无法充分利用其容量。

 但是,这并不总是意味着会有延迟(缓慢)。这取决于:

  • 访问的数据量
  • 使用的磁盘类型(HDD 或 SSD)
  • 节点的繁忙程度
  • 卷的设置方式

如果活动节点变得过于繁忙,可能会减慢响应速度。

Active IQ Unified Manager 等工具可以帮助监控此情况,并显示节点或聚合是否超载。

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