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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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Backup Applications in Storage Networks

Backup has been a problematic systems management application for many years as the amount of data needing backup has consistently outpaced the capabilities of the networks and equipment to do the job. SANs provide several architectural advantages for backup processing and promise to provide solutions that keep pace into the future. The following section explores some of the new SAN backup technologies that are likely to change the nature of data management for years to come.

Problems with Legacy Network Backup

Legacy network backup has several architectural limitations that are making it less plausible over time. Two fundamental areas are creating most of the problems:

  • LAN performance and congestion

  • Distributed ...

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