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ONTAP 中卷自动增长的条件是什么

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适用于

ONTAP 9

问题解答

ONTAP 中的卷自动增长在以下条件下触发:
  • 监控目标:
    • 整个卷使用情况(数据 + Snapshot)受到监控。
    • 如果设置了 Snapshot 预留,则预留空间专用于 Snapshot。
  • 自动增长的触发器:
    • 当卷使用量超过自动增长阈值时触发自动增长(默认值为 95%)。此"usage"包括数据和 Snapshot 空间。
    • 阈值可以使用 `autosize-grow-threshold-percent` 参数设置。

cluster1::> volume autosize -vserver <vserver> -volume <volume> -grow-threshold-percent <percent>

  • 最大大小限制:

每个卷都有一个最大大小 (`maximum-autosize`) 设置。如果卷达到此限制,则不会进一步增长。

cluster1::> volume autosize -vserver <vserver> -volume <volume> -maximum-size <size>

  • 足够的聚合空间:

包含卷的聚合中必须有足够的可用空间以允许自动增长。

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