ONTAP 9

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Guidelines for sizing a FlexCache volume

You must be aware of the limits for FlexCache volumes before you start provisioning the volumes.

The size limit of a FlexVol volume is applicable to an origin volume. The size of a FlexCache volume can be less than or equal to the origin volume. The best practice for the size of a FlexCache volume is to be at least 10 percent of the size of the origin volume.

You must also be aware of the following additional limits on FlexCache volumes:

Limit

ONTAP 9.7

ONTAP 9.8 and later

Maximum number of FlexCache volumes that you can create from an origin volume

10

100

Recommended maximum number of origin volumes per node

100

100

Recommended maximum number of FlexCache volumes per node

100

100

Recommended maximum number of FlexGroup constituents in a FlexCache volume per node

800

800

Maximum number of constituents per FlexCache volume per node

32

32

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