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FlexCache是否会自动执行回写

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nas
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Invalid Date

适用场景

  • 9.15.1 9.151及更高版本
  • FlexCache
  • NFS

问题解答

  • 是的、可以。
  • NFSv4.x (有状态协议):关闭文件后、缓存中大约40 MB的脏数据会转储到原始存储。
  • NFSv3 (无状态协议):在以下情况下、缓存中大约40 MB的脏数据会转储到初始存储:
    • 另一个缓存请求访问文件、或
    • 此文件已闲置2分钟以上(最长5分钟)。
  • 清理程序触发前端操作:
    • setattr (只能在缓存中修改mttime、atme和/或cdtime)
    • 关闭
    • 在另一个缓存中打开
    • 在另一个缓存读取
    • 在另一个缓存中重新加
    • 另一个高速缓存中的“PADDIRPLUS”
    • 在另一个缓存中写入

 

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