27 Backing Up

One of the primary functions of a computer network is to store, manipulate, and supply data, and protecting that data against damage or loss is a crucial part of the network administrator’s job description. Hard disk drives contain most of the relatively few moving parts involved in the network data storage process and are constructed to incredibly tight tolerances. As a result, they can and do fail on occasion, causing service interruptions and data loss, and server drives work the hardest of all. When you examine the inner workings of a hard drive, you may actually wonder why they don’t fail more often. In addition to mechanical drive failures, data loss can occur for many other causes, including viruses, computer theft, ...

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