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What is the maximum file size supported in ONTAP?

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Applies to

  • ONTAP 9
  • Inode/ file count
  • FlexVol
  • FlexGroups

Answer

The maximum file size supported by the ONTAP Write Anywhere File Layout (WAFL) filesystem depends on the ONTAP version:

OS Version Maximum File Size  Documentation Links
ONTAP 9.12.1P2 and later 128 TB
ONTAP 9.12.1P1 and earlier 16 TB

Additional Information

Maximum file size for CIFS shares and NFS exports
  • File sizes are also bound by the amount of physical disk space available on the storage system, and the supported capacity on the controller
  • Regardless of the version of ONTAP in use, some protocols support files only up to a certain size:
    • NFSv2 has a maximum file size of 2 GB
    • NFSv3 allows for 64-bit file offsets, which is larger than the WAFL 16 TB maximum

Note: To confirm via AutoSupport: NFS-SERVERS-BYNAME.XML -> Use 64 Bits for NFSv3 FSIDs and File IDs

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