ONTAP Recipes

ONTAP Recipes: Use inactive data reporting on non-FabricPool aggregates

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You can use inactive data reporting on non-FabricPool aggregates?


First available in ONTAP 9.4, inactive data reporting (IDR) is an excellent tool for determining the amount of existing inactive (cold) data that can be tiered from a high-performance SSD aggregate to low-cost object storage.

IDR uses a 31-day cooling period to determine which data is considered inactive.

IDR is displayed on the Storage Tiers page in OnCommand System Manager.

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IDR is enabled by default on FabricPool aggregates, but more importantly, especially for those considering taking advantage of FabricPool for the first time, you can enable IDR on non-FabricPool aggregates.

Note: IDR cannot be enabled on aggregates where FabricPool cannot be enabled (for example, root, HDD aggregates, NetApp MetroCluster, and so on).


From the ONTAP CLI, complete the following steps:

  1. To enable IDR on a non-FabricPool aggregate, run the following command:
    storage aggregate modify -aggregate <name> -is-inactive-data-reporting-enabled true
  1. As an alternative to viewing the amount of inactive data on an aggregate in OnCommand System Manager, you can view the amount of inactive data by running the following command:
    storage aggregate show-space -fields performance-tier-inactive-user-data, performance-tier-inactive-user-data-percent


For more information about FabricPool, see TR-4598: FabricPool Best Practices.

For more information about ONTAP, see the ONTAP 9 Documentation Center.


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