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为什么参数 arw.snap.max.count 不能设置为低于 3

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适用于

  • ONTAP 版本 9.11.1 或更高版本
  • 自治勒索软件防护 (ARP)

回答

  • 该参数 arw.snap.max.count 定义在任何给定时间卷中可以存在的最大 ARP 快照数。
  • 最小值 3 是维护滚动恢复窗口的设计要求。
  • 维护多个快照可以在发生勒索软件攻击时提供更多恢复点，从而增强数据保护。
  • 最小值的具体技术原因未公布；但旨在确保可靠的恢复能力。
  • 用户可以根据其操作要求调整这些参数；但是，他们的配置没有官方定义的最佳实践。

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