FabricPool is a NetApp ONTAP technology that automatically tiers inactive (cold) data from a high-performance SSD aggregate to a lower-cost object storage tier. The question specifies an on-premises solution. NetApp StorageGRID is NetApp's on-premises, S3-compatible object storage platform. It is designed to serve as a private cloud tiering target for FabricPool, allowing customers to keep all their data within their own data center while benefiting from tiering.

A. Azure Blob is a public cloud object storage service provided by Microsoft and is not an on-premises solution.

B. Amazon Simple Storage Service (Amazon S3) is a public cloud object storage service from Amazon Web Services, not an on-premises solution.

C. NetApp ONTAP S3 enables an ONTAP cluster to serve data as an S3 object store, but it is not the intended tiering target for FabricPool from another ONTAP system.

1. NetApp, Inc. (2022). TR-4571: FabricPool Overview and Implementation Guide.

Section: "FabricPool" (Page 5) states, "FabricPool is a NetApp ONTAP data-tiering technology that enables you to automatically tier cold data from an all-flash (all-SSD) aggregate to a low-cost object storage tier either in a public cloud or on the premises."

Section: "Supported object stores" (Page 6) explicitly lists "NetApp StorageGRID" as a supported on-premises object store.

2. NetApp ONTAP 9.12.1 Documentation. Data tiering with FabricPool.

Section: "Object stores that are supported by FabricPool" lists the supported on-premises object stores, with "NetApp StorageGRID" being the primary NetApp solution. It clearly distinguishes this from public cloud providers like Amazon S3 and Azure Blob.

3. NetApp, Inc. (2023). TR-4598: FabricPool Best Practices.

Section: "Choosing a Cloud Tier" (Page 10) discusses the options for FabricPool targets, including, "On-premises object stores such as NetApp StorageGRID." This confirms StorageGRID as the designated on-premises solution.