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如何在集群模式 Data ONTAP 8 中禁用聚合快照

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适用场景

  • 集群模式 Data ONTAP 8.3

问题描述

集群模式 Data ONTAP 中聚合级别快照的默认配置如下:

  • aggregate option nosnap=off
  • aggregate option snapshot_autodelete=on
  • aggregate snapshot schedule is 0 1 4@9,14,19
  • aggregate snapshot reserve is 0

上述配置会导致按计划创建和维护快照。如果聚合已满,则 Data ONTAP 将自动开始删除快照,并且不会为聚合快照预留任何空间。

自 Data ONTAP 8.3.1 起,您不能再使用 Data ONTAP 命令行界面 (CLI) 创建聚合 Snapshot 副本。

  • 聚合 Snapshot 副本仅用于支持 SyncMirror 和 MetroCluster 技术,不应再用于进行数据保护。
  • 默认情况下,使用 Data ONTAP 8.3 及更高版本创建的聚合会禁用 Snapshot 副本创建。
  • 如果现有聚合已启用 Snapshot 副本创建,则应使用 nodeshell 中提供的以下命令将其禁用:

aggr options aggr_name nosnap on

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