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7MTT 预检查 10111 —如何过渡具有 qtree 级别导出的 7- 模式卷

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适用场景

Data ONTAP 7 及更早版本

问题描述

当 NFS 客户端可以访问 qtree 时、在运行 7- 模式的 Data ONTAP 和集群模式 Data ONTAP 之间、 qtree 导出规则的实施不同、而其父卷不允许访问同一个 NFS 客户端。下面简要介绍了 Data ONTAP 7- 模式和集群模式 Data ONTAP 中的 NFS 访问行为:

Data ONTAP 7- 模式行为:

  • 7- 模式支持导出路径,例如:
    /vol/vol_name/qtree_name/directory_below_qtree_level
  • 7- 模式支持导出路径,例如:
    /vol/vol_name/directory_at_qtree_level
  • 7- 模式将在 qtree 级别执行导出规则,这些规则与卷级别的导出规则分离。
  • 如果主机挂载卷路径,则会在客户端上实施卷上的导出规则。
  • 如果主机挂载 qtree 路径,则会在客户端上强制执行 qtree 上的导出规则。

集群模式 Data ONTAP 行为( 8.2.1 以上):
在集群模式 Data ONTAP 中、可以访问 qtree 的 NFS 客户端也要求在父卷级别至少具有只读访问权限。

 

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