What is Storage Area Network (SAN)?

What is Storage Area Network (SAN)? A Storage Area Network (SAN) is a specialized, high-speed network that provides block-level network access to storage. SANs are typically composed of hosts, switches, storage elements, and storage devices that are interconnected using a variety of technologies, topologies, and protocols. SANs may also span multiple sites. The purpose of a Storage Area Network is to allow all designated users on the network to access multiple storage devices, not only the storage devices installed within their computer.

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What is Storage Area Network

What is the advantages of SAN?

  • Storage Virtualization: Server capacity is no longer linked to single storage devices, as large and consolidated storage pools are now available for software applications.
  • High-Speed Disk Technologies: An example is FC, which offers data retrieval speeds that exceed 5 Gbps. Storage-to-storage data transfer is also available via direct data transmission from the source to the target device with minimal or no server intervention.
  • Centralized Backup: Servers view stored data on local disks, rather than multiple disk and server connections. Advanced backup features, such as block level and incremental backups, streamline IT system administrator responsibilities.
  • SANs are particularly helpful in backup and disaster recovery settings.

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One thought on “What is Storage Area Network (SAN)?”

  1. Toshiba support

    SANs are particularly helpful in backup and disaster recovery settings. Within a SAN, data can be transferred from one storage device to another without interacting with a server.

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