2.8. Storage Area Networks (SANs)
The evolution of storage brings us to Storage Area Networks (SANs), described in detail in Chapter 4.
A Storage Area Network is based on the principle of networking devices together. As you learned in Chapter 1, the SAN consists of a group of mass storage devices (disk arrays and tape libraries) connected indirectly to host computer systems and each other by means of interconnecting devices such as hubs or switches.
Figure 2-10. Example of a SAN
Where LANs connect host computer systems together to share the access to servers and stored data, SANs connect storage devices together to provide host computer systems ...
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