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Chapter 8. Application Studies

Chapter 8. Application Studies

Although SANs share common components in the form of servers, storage, and interconnect devices, the configuration of a storage network is determined by the application problems it resolves. The requirements for a full-motion video application differ from those for high-availability OLTP (online transaction processing). LAN-free tape-backup applications may use unique hardware and software products that would not appear in a SAN designed around server-clustering requirements. Because SANs offer the flexibility of networking, however, it is possible to satisfy the needs of multiple applications within a single networked configuration, just as a LAN backbone may service disparate applications for an enterprise.

The following application studies examine SAN installations that were designed to meet specific requirements. In some instances, the deployment of a new networked infrastructure has provided additional opportunities for resolving unrelated issues. A SAN designed for a high-bandwidth application, for example, also facilitates a more efficient tape-backup solution. Although SANs are not a panacea for every storage application need, the building blocks that SANs provide can be used to construct a wide range of viable solutions unattainable by other means.


  

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