Storage Area Network

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Storage Area Network

A storage area network (SAN ) is a type of local area network that is designed to perform the task of transferring data for storage and retrieval and replication on networks using high-end servers . SAN is an architecture that attaches remote computer storage devices to a server It also , supports fiber network technology . SAN technology uses a low-level network protocol to transfer disk blocks unlike Network storage (NAS ) that employs -based protocols where computers request a part of an abstract

instead of a disk block Such devices work on Transport Control Protocol and Internet Protocol (Thornburgh Barry , 2000

With the rapid change in technology , there is an increase in data rate therefore , there is need for organizations to come up with ways of managing , protecting , and maintaining the information , while decreasing business risks and storage cost . IBM as a company has come up with a list of servers that can be employed , namely , blade servers , blue gene system z mainframe , power systems and cluster servers Devices that provide higher storage capacities and fast access performance in a cost effective manner , and that can meet the rising demands for solutions in e-business , need clustering to allow clients to explore all the possible means of expanding and developing new services . This is aimed at providing high ease of use for computing in various fields such as finance , engineering or architecture and to deliver services that are beneficial to all at a reasonable price...