Storage Area Network (SAN); a Dedicated Network of Storage Devices Used To Provide A Pool of Shared Storage

 

Storage Area Network

Storage Area Network (SAN) is a specialized, high-speed network that provides network access to storage devices. SAN is a network of storage devices that can be accessed by multiple servers or computers, providing a shared pool of storage space. Each computer can access storage on the SAN as though they were local disks connected directly to the computer. A SAN allows us to combine many file-systems into a single disk array, allowing far more efficient use of storage resources. Because SAN is block level, it is able to do this anytime that a traditional, local disk subsystem could be employed.

Storage Area Network is a modular computer network that provides centralized, file-level access to multiple, fixed-size block storage. It is a dedicated, independent network that interconnects and distributes a shared pool of storage devices to multiple servers. It is mostly used to access large data storage devices, including tape libraries and disk arrays, from multiple servers, so that devices appear as if they are directly connected to the operating system. SAN also includes a management layer that organizes the connections, storage elements, and computer systems.

This layer ensures secure and robust data transfers. Storage Area Network (SAN) typically is a dedicated network of storage devices not accessible through local area network (LAN). Most people are familiar with a traditional local area network, in which every computer connects to every other computer on the LAN. With SAN, however, each computer is connected only to its own storage area. This means that each computer on the network does not need to connect to other computers on the LAN, which can save space and money.

Storage Area Network (SAN) benefits include speed, scalability and fault tolerance, and have become increasingly popular over the years. As a result, there is an increasing demand for SAN worldwide, especially in the U.S., Germany, Japan, Mexico, and India.

 

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