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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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Reliability and Risk Considerations

Some of the biggest challenges in owning and developing a SAN are identifying potential problems and planning to minimize their impact. This section discusses a few topics that should be considered when implementing volume management and SAN virtualization systems.

The SAN Network Environment

Although storage subsystems are not the subject of this chapter, comparing their connection architectures with volume managers and SAN virtualization systems can be useful. The connection environment inside a storage subsystem is very well known and predictable. There are few surprises, if any, involving downstream communications within the subsystem. More importantly, the risk of the interconnect failing inside a disk ...

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