Chapter 12. Backing Up and Restoring

Backing up data is a critical administrative function for every network, one that many administrators tend to neglect. In many cases, hard disk contents are an organization’s most precious possession. Their loss can cause production to cease, commerce to falter, and businesses to fail.

As the primary moving parts in a computer, hard disk drives operate at incredibly close tolerances. The platters on which hard drives store data spin at anywhere from 5,000 to 15,000 revolutions per minute (RPM), with read and write heads floating over the moving surface at distances measured in millionths of an inch. The traditional analogy ...

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