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Table Of Contents  CertiGuide to A+ (A+ 4 Real)
 9  Chapter 10: The Small Computer System Interface, SCSI

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Summary: SCSI Types, Standards, Speeds, Cables and Connectors
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RAID Basics
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RAID

The original acronym RAID117 stood for Redundant Array of Inexpensive Disks. As the technology has matured, however, it has come to be known as Redundant Array of Independent Disks118. University of California Berkeley researchers introduced the concept in 1988. RAID was proposed as a solu-tion to the then lagging performance of data storage. In the original proposal, a disk array would use several low cost, low capacity drives. At the time, the average MTBF (Mean Time Between Failure) for the array was less than the time for a single disk. This shortcoming was conquered by storing redundant data or parity data, which allowed continued data access or even data reconstruction in the event of disk failure.

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117. http://www.baydel.com/tutorial.html

118. http://redundantarrayofindependentdisks.com/

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