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Storage management, particularly in large data centers or cloud environments, involves several protocols to ensure data is stored, accessed, transferred, and managed efficiently and securely. Below are some of the key protocols used for storage management:
1. Small Computer System Interface (SCSI): An older yet still relevant set of standards for connecting and transferring data between computers and peripheral devices, SCSI is used in both direct-attached storage (DAS) and networked storage systems.
2. Internet Small Computer System Interface (iSCSI): A transport layer protocol that allows the SCSI command to be sent over IP networks. iSCSI is widely used for linking data storage facilities in SANs (Storage Area Networks).
3. Fibre Channel Protocol (FCP): The most common transport protocol used in Storage Area Networks (SAN). It uses high-speed fibre optic cables and can support data transfer rates of up to 16 Gbps and higher. FCP is often used in environments requiring high performance and reliability.
4. Fibre Channel over Ethernet (FCoE): A variation of FC that allows for the Fibre Channel protocol to be transported over Ethernet networks. This enables the convergence of storage and IP protocols onto a single infrastructure, reducing complexity and cost.
5. Network File System (NFS): A distributed file system protocol allowing a user on a client computer to access files over a network much like local storage is accessed. NFS is widely used in Unix/Linux environments.