Storage limits

Contributors

There are limits for storage objects that you should consider when planning and managing your storage architecture.

Limits are listed in the following sections:

  • Volume limits

  • FlexClone file and FlexClone LUN limits

Storage limits for Cloud Volumes ONTAP are documented in the Cloud Volumes ONTAP Release Notes.

Volume limits

Storage object Limit Native storage Storage arrays Data ONTAP Edge

Array LUNs

Minimum size for root volume1

N/A

Model-dependent

N/A

Files

Maximum size

16 TB

16 TB

16 TB

Maximum per volume3

Volume size dependent, up to 2 billion

Volume size dependent, up to 2 billion

Volume size dependent, up to 2 billion

FlexClone volumes

Hierarchical clone depth4

499

499

499

FlexVol volumes

Maximum per node1

Model-dependent

Model-dependent

200

Maximum per node per SVM5

Model-dependent

Model-dependent

200

Minimum size

20 MB

20 MB

20 MB

Maximum size1

Model-dependent

Model-dependent

Model-dependent

FlexVol volumes for primary workloads

Maximum per node2

Model-dependent

Model-dependent

Model-dependent

FlexVol root volumes

Minimum size1

Model-dependent

Model-dependent

Model-dependent

LUNs

Maximum per node5

Model-dependent

Model-dependent

1,024

Maximum per cluster5

Model-dependent

Model-dependent

1,024

Maximum per volume5

Model-dependent

Model-dependent

512

Maximum size

16 TB

16 TB

16 TB

Qtrees

Maximum per FlexVol volume

4,995

4,995

4,995

Snapshot copies

Maximum per volume6

255/1023

255/1023

255/1023

Volumes

Maximum per cluster for NAS

12,000

12,000

200

Maximum per cluster with SAN protocols configured

Model-dependent

Model-dependent

200

Notes:

  1. In ONTAP 9.3 and earlier, a volume can contain up to 255 Snapshot copies. In ONTAP 9.4 and later, a volume can contain up to 1023 Snapshot copies.

  2. Beginning in ONTAP 9.7, the maximum supported number of FlexVol volumes on AFF platforms with at least 128 GB of memory has increased to 2,500 FlexVol volumes per node; however, only 1,000 volumes per node can be active (primary workloads) at one time.

    For platform-specific information and for the latest support details, see Hardware Universe.

  3. 2 billion = 2 × 10 to the 9th power.

  4. The maximum depth of a nested hierarchy of FlexClone volumes that can be created from a single FlexVol volume.

  5. This limit applies only in SAN environments.

  6. You can use a SnapMirror cascade deployment to increase this limit.

FlexClone file and FlexClone LUN limits

Limit Native storage Storage arrays Data ONTAP Edge

Maximum per file or LUN1

32,767

32,767

32,767

Maximum total shared data per FlexVol volume

640 TB

640 TB

100 TB

Note:

  1. If you try to create more than 32,767 clones, ONTAP automatically creates a new physical copy of the parent file or LUN.

    This limit might be lower for FlexVol volumes that use deduplication.

Related information