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  4. SAN (Storage Area Network)


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SAN (Storage Area Network)

A Fibre Channel-based network connecting servers and storage devices. The storage devices are not attached to servers but to the network itself and are visible to all servers on the network.

A network linking servers or workstations to devices, typically over Fibre Channel, a versatile, high-speed transport. The storage area network (SAN) model places storage on its own dedicated network, removing data storage from both the server-to-disk SCSI bus and the main user network. The SAN includes one or more hosts that provide a point of interface with LAN users, as well as (in the case of large SANs) one or more fabric switches and SAN hubs to accommodate a large number of storage devices.

A network with shared storage that is visible to all servers on the SAN.

A networking paradigm that provides easily reconfigurable connectivity between any subset of computers, disk storage and interconnecting hardware such as switches, hubs and bridges.

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