What Are SAN Storage Area Network Features and Use Cases?

SANs offer centralized storage access that simplifies backup and recovery operations, as well as improved performance for enterprise workloads by eliminating competition between server traffic on the LAN and application traffic on its way into enterprise applications. SAN solutions typically feature an independent network fabric specifically dedicated to storage tasks, and fiber channel (FC) for maximum performance, but also include iSCSI and converged networks. The fabric uses ports, switches, and directors to physically connect host servers and storage devices into an efficient loop or star architecture. A Storage Area Network is more flexible in scaling up or down than Ethernet networks due to its separate fabric dedicated solely to storage tasks, enabling IT staff to deploy more storage devices as necessary. Users also benefit from accessing data stored in storage without rebooting servers during upgrades or other changes so they can continue working uninterrupted during upgrades and changes.

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