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常见问题:File System Analytics 注意事项

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适用于

  • ONTAP 9.8 及更高版本
  • 文件系统分析 (FSA)

回答

启用/禁用 FSA:
  • 启用 ONTAP 文件系统分析
  • 但是,如果出现性能影响,则在禁用后需要一段时间才能恢复(可能需要一个小时或更长时间)。
FSA 系统开销注意事项:
  • 启用容量分析后,ONTAP 会执行容量分析的初始化扫描。扫描访问已启用容量分析的卷中所有文件的元数据。
  • ONTAP 会自动尝试在所有支持的卷上创建内部 FSA 数据库(分析元文件)。因此,在卷上启用文件系统分析之前,请确保卷至少有 5% 至 8% 的可用空间可用。
  • 从 ONTAP 9.15.1 开始,如果在卷上启用文件系统分析时没有足够的可用空间,ONTAP 会显示错误消息。

[node1: wafl.analytics.init.fail:ALERT]: Failed to initialize a file system analytics database for volume @vserver:08c57dac-1afb-11e9-a82f-xxxxxxxxxx:vol1, No space left on device.

注意:如果卷已启用自动大小调整,请根据最大自动增长大小计算可用大小。

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