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Maximum number of snapshots supported by ONTAP

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ontap-9
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dp
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Applies to

  • ONTAP 9.4 and later
  • ONTAP 9, 9.1, 9.2, 9.3
  • Clustered Data ONTAP 8, 8.1, 8.2, 8.3
  • Data ONTAP 8 7-Mode, 8.1 7-Mode, 8.2 7-Mode

Answer

Starting with ONTAP 9.4, the maximum number of snapshots has been increased

  • Beginning with ONTAP 9.4, a volume can contain up to 1023 Snapshot copies.
  • A SnapMirror destination volume can contain up to 1019 Snapshot copies.

ONTAP 9.3 and earlier

The maximum number of Snapshot copies follows:

  • 255 Snapshot copies of a FlexVol volume.

  • If a FlexVol volume is in a data protection mirror relationship, the maximum number of Snapshot copies is 254 because one Snapshot copy is reserved for use by the relationship during recovery operations.

  • If a FlexVol volume is in a disk to disk backup relationship, the maximum number of Snapshot copies is 251.

  • If an Infinite Volume is in a data protection mirror relationship, the maximum number of Snapshot copies is reduced by two because two Snapshot copies are used for the data protection mirror relationship.

Additional Information

Maximum number of Snapshot copies