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Computer Evidence: Collection and Preservation, Second Edition by Christopher L. T. Brown

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Redundant Array of Independent Disks

Redundant Array of Independent Disks (RAID), sometimes referred to as Redundant Array of Inexpensive Disks, has been around for more than 20 years and has become one of the most common technologies used to provide increased performance and fault tolerance for information technology (IT) data storage. The reason for RAID’s popularity is its breadth of implementation possibilities. RAID offers users a number of user levels for implementation-dependent needs. As computer forensics investigators become familiar with the implementations of RAID, the challenges to collecting disk images and evidence collection will become apparent. Whereas RAID 0, 1, and 5 are the most commonly seen implementations of RAID, there ...

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