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Guidelines for sizing ONTAP FlexCache volumes

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FlexCache sizing limits depend on the version of ONTAP installed on your system. Before you begin provisioning FlexCache volumes, you should verify the limits for your ONTAP version.

The size limit of a FlexVol volume is applicable to an origin volume. The size of a FlexCache volume is typically less than or equal to the origin volume. You can create a cache that is larger than the origin, but this is not common. The best practice for the size of a FlexCache volume is to be at least 10 percent of the size of the origin volume.

To find the most up-to-date information about FlexCache sizing limits for your version of ONTAP, complete the following steps:

  1. Go to NetApp Hardware Universe.

  2. Under Products, select your platform.

  3. Select your ONTAP version; then select Show Results.

  4. Scroll to or search for FlexCache Cluster Limits.