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2. Storage virtualization - Wikipedia

   en.wikipedia.org/wiki/Storage_virtualization

   Virtualization of storage helps achieve location independence by abstracting the physical location of the data. The virtualization system presents to the user a logical space for data storage and handles the process of mapping it to the actual physical location. It is possible to have multiple layers of virtualization or mapping.

3. Data virtualization - Wikipedia

   en.wikipedia.org/wiki/Data_virtualization

   The storage-agnostic Primary Data (defunct, reincarnated as Hammerspace) was a data virtualization platform that enabled applications, servers, and clients to transparently access data while it was migrated between direct-attached, network-attached, private and public cloud storage.

4. Virtualization - Wikipedia

   en.wikipedia.org/wiki/Virtualization

   Data. Data virtualization: the presentation of data as an abstract layer, independent of underlying database systems, structures and storage; Database virtualization: the decoupling of the database layer, which lies between the storage and application layers within the application stack over all; Network

5. Database virtualization - Wikipedia

   en.wikipedia.org/wiki/Database_Virtualization

   Database virtualization is the decoupling of the database layer, which lies between the storage and application layers within the application stack. Virtualization of the database layer enables a shift away from the physical, toward the logical or virtual. Virtualization enables compute and storage resources to be pooled and allocated on demand.

6. Virtual tape library - Wikipedia

   en.wikipedia.org/wiki/Virtual_tape_library

   A virtual tape library (VTL) is a data storage virtualization technology used typically for backup and recovery purposes. A VTL presents a storage component (usually hard disk storage) as tape libraries or tape drives for use with existing backup software.

7. Software-defined storage - Wikipedia

   en.wikipedia.org/wiki/Software-defined_storage

   Software-defined storage (SDS) is a marketing term for computer data storage software for policy-based provisioning and management of data storage independent of the underlying hardware. Software-defined storage typically includes a form of storage virtualization to separate the storage hardware from the software that manages it. [ 1 ]