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将 Cloud Volumes ONTAP 分层策略从"全部"更改为"自动"时会发生什么？

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适用于

  • Cloud Volumes ONTAP (CVO)
  • Cloud Tiering
  • FabricPool
  • Azure Blob 存储

回答

  • 将分层策略从All更改为Auto不会自动将数据从对象存储 (BLOB) 移回磁盘。
  • 数据仅在读取时从 BLOB 重新水化到磁盘，并且仅返回已访问的块。
  • 根据Auto策略，重新水化或新写入的数据被视为热数据，并保留在磁盘上，直到其在tiering-minimum-cooling-days定义的时间段内处于非活动状态，之后可将其分层回对象存储。

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