Definition
Storage virtualization is technology to build logical storage using physical storage devices. More precisely, the Storage Networking Industry Association (SNIA) defines storage virtualization as follows:
- 1.
The act of abstracting, hiding, or isolating the internal function of a storage (sub)system or service from applications, computer servers, or general network resources for the purpose of enabling application- and network-independent management of storage or data.
- 2.
The application of virtualization to storage services or devices for the purpose of aggregating, hiding complexity, or adding new capabilities to lower-level storage resources.
- 3.
Storage can be virtualized simultaneously in multiple layers of a system, for instance, to create hierarchical storage manager-like systems.
Key Points
Storage virtualization is used to provide an aggregation of data blocks (a logical volume) to applications running on servers. This aggregation of blocks may reside on a single...
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Recommended Reading
Storage Network Industry Association. Storage virtualization: the SNIA technical tutorials. 2007. Available at: http://www.snia.org/education/storage_networking_primer/stor_virt/.
Storage Network Industry Association. The SNIA shared storage model. 2007. Available at: http://www.snia.org/education/storage_networking_primer/shared_storage_model/.
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Yoshida, H. (2018). Storage Virtualization. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_1335
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DOI: https://doi.org/10.1007/978-1-4614-8265-9_1335
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