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Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems by Marc Farley

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Connecting

There has always been some way to connect systems to storage products. Essentially, this means providing some sort of data transmission system between storage devices or subsystems and the system processor.

For the most part, storage has used either bus connecting technologies for DAS storage or network connecting technologies for SAN storage. The sections that follow briefly examine these two connecting technologies.

A Quick Look at Buses Used for Connecting DAS Storage

Bus technologies used with DAS storage are constructed from a collection of copper wires working in parallel, each transmitting a single bit of information at a time. Data transmitted over a bus is first disassembled from bytes into bits by the sender, transferred ...

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