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Why is the used size of files or folders larger than the size on disk in windows properties?

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • CIFS
  • NFS

Answer

  • ONTAP supports the sparse file in CIFS and NFS protocol.
  • So the used size of files or folders is larger than the size on disk because there are sparse files on the CIFS Windows client.
Example:
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Windows Properties:
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size 999,566
size on disk 992,328
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