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Storage Area Network, SAN is a block level data storage which enables the communications between initiators and targets over fiber channel network using FC protocols.
A storage area network (SAN) is a network which provides access to consolidated, block level data storage. SANs are primarily used to enhance storage devices, such as disk arrays, tape libraries, and optical jukeboxes, accessible to servers so that the devices appear to the operating system as locally attached devices.
It's a network of storage devices that provisions block-level storage to servers.
