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MetroCluster 的磁盘自动分配选项是什么?

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可不使用  

适用于

  • Data ONTAP 8.2 及更高版本
  • ONTAP 9
  • MetroCluster

解答

ONTAP 9

专用池配置堆栈:
堆栈中的所有磁盘都将分配给 1 个节点和 1 个池专用池配置架:将分配磁盘架中的所有磁盘
::> storage disk option modify -autoassign on
::> storage disk option modify -autoassign-policy stack



到 1 个节点和 1 个池。同一堆栈中的其他磁盘架可能会分配给其他节点和池。
::> storage disk option modify -autoassign on
::> storage disk option modify -autoassign-policy shelf


手动分配磁盘:
::> storage disk option modify -autoassign off

MetroCluster 不能使用自动分配策略“托架”。
此选项将根据偶数和奇数托架编号为控制器分配磁盘。

Data ONTAP 8.2

Data ONTAP 8.2 中引入了以下在磁盘架级别自动分配磁盘的新选项:
disk.auto_assign_shelf
此选项允许磁盘自动分配磁盘的磁盘架级别粒度、 这意味着磁盘架上的所有非自有磁盘都将根据该磁盘架上其他磁盘的所有权进行分配。 

专用池配置 - 堆栈 / 循环:
堆栈 / 循环中的磁盘只分配给一个池。
options disk.auto_assign on
options disk.auto_assign_shelf off


专用池配置 - 磁盘架:
同一磁盘架中的磁盘只分配给一个池、但同一堆栈 / 循环中的磁盘在池之间共享。
options disk.auto_assign on
options disk.auto_assign_shelf on


混合池配置:
同一磁盘架中的磁盘在池之间共享。
options disk.auto_assign off
options disk.auto_assign_shelf off
 

 

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