4.8. Fibre Channel Management Concepts

The preceding sections have described the hardware elements that constitute SAN building blocks. A fair amount of software is involved in a SAN, particularly for management, data security, and SAN applications such as backup and restore. Sections 4.8.1 and 4.8.2 introduce some concepts essential to SAN management and data security. Indeed these concepts are the very heart of making SANs usable at all.

Now that single networks have multiple computers and multiple storage units, it is desirable to restrict views of particular computers (called hosts in Fibre Channel terms) to particular storage subsystems and particular units within those storage subsystems. This need is especially strong when a host is running ...

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