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为什么FabricPool 在ONTAP 重新启动时会生成更多的云存储负载?

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适用场景

ONTAP 9.4或更高版本

问题解答

当ONTAP 节点重新启动或卷联机时、可能会注意到云的I/O比正常情况下要多。这可以是在正常接管/交还、聚合重新定位甚至创建新卷之后执行的。这是为什么?
  • ONTAP 在FabricPool 中提供了一项名为"分层扫描"的功能、用于检查是否需要将块移至云或应保留在本地层上。重新启动ONTAP 或卷联机后、ONTAP 可能会产生额外的I/O、这在集群中尤其如此、因为在集群中、多个节点都分层到云中。
  • 此行为是正常的、在ONTAP 9.4及更高版本中是正常的。

 

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