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常见问题解答:Unicode转换

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Category:
ontap-9
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core
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适用场景

  • Data ONTAP 7-模式
  • 集群模式 Data ONTAP 8
  • ONTAP 9

问题描述

当CIFS/NFSv4客户端首次访问目录时、可能会触发 Unicode 转换。如果您的存储环境已包含包含包含 大量子目录和文件 现有NFSv3 目录 、则首次 访问 时自动 转换 会对存储系统的性能产生影响。

  • 这种转换会占用大量资源、可能会导致系统 暂时 无响应、包括服务丢失。
  • 由于转换而可能遇到的症状:
    • 丢失检测信号
    • 同步的日志
    • ssh 访问
    • 数据 访问
  • 指示 转换导致性能下降的EMS 消息:

Tue Jan 17 14:16:33 CST [netapp_fake: wafl_hipri: wafl.dir.convert:warning]: WAFL converting directory conversion in progress.

  • 预测CIFS/NFSv4客户端使用大型目录是 避免 问题描述 可能触发的处理 延迟的关键

 

 

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