A customer has an existing HP 3PAR StoreServ array.The customer wants to enable the existing storage to provide highly efficient and consolidated primary storage, as well as information retention with

HP StoreOnce VSA is a virtual deduplication backup appliance for data protection workloads and does not provide primary file services, file archiving, or object storage on top of a 3PAR array.

The HP StoreEasy 3830 Gateway is purpose-built to integrate as a NAS gateway in front of an HP 3PAR StoreServ array, exposing the array's block storage as consolidated primary file storage while also providing WORM-based file archiving and object storage services - directly satisfying the requirement for primary storage plus information retention on existing hardware.

HP StoreAll 8200 Gateway is a standalone scale-out NAS and object platform for massive unstructured data repositories and is not designed as a gateway layer bolted onto an existing 3PAR array.

HP StoreVirtual VSA is a software-defined iSCSI SAN appliance for block storage virtualization and provides no file archiving or object storage capabilities.