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- No need for more than one type of S3-based secondary storage for a single region

- It is necessary to have NFS based secondary storage as well as S3-based storage concurrently available for a zone (region)Upon upgrade, if the customer does not want/have Object Store, NFS must continue to be supported as secondary storage

- Alternatively, they can choose to have only Object Storage (how to migrate the existing data to Object Storage needs to be documented, as stated above)

- However, there is no requirement to support having both NFS and Object Store supported concurrently as secondary storage- Open for discussion: Requirements are to similar to Swift support in CloudStack today, however, is NFS still necessary (as is the case with Swift)? If NFS is still needed as a staging/caching area, do we need it on a per-zone basis?