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为什么删除文件后Linux命令"df"和"du"的结果不同?

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ontap-9
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nas
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适用场景

  • ONTAP 9
  • NFS

问题解答

  • du 遍历目标并计算每个对象的空间使用量
    • 目标可以是目录、子目录、文件或整个文件系统
  • df 在文件系统中查询当前空间使用量

追加信息

  • 删除对象后、这些对象将与文件系统解除链接
    • 未链接的对象会占用空间、直到回收其块为止、但不再向客户端报告这些对象
    • du 将报告空间使用量、就像已回收块一样
    • df 回收已删除对象的块时、将缓慢显示空间使用量的变化

 

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