August 2017
Intermediate to advanced
336 pages
11h 39m
English
Content preview from System Forensics, Investigation, and Response, 3rd Edition
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RAID Acquisitions
You may already be comfortable with the concept of RAID; however, if you are not, this section provides a brief overview.
RAID stands for redundant array of independent disks. The most common RAID levels are as follows:
RAID 0 (disk striping) distributes data across multiple disks in a way that gives improved speed for data retrieval.
RAID 1 mirrors the contents of the disks. The disk is completely mirrored so there is an identical copy of the drive running on the machine.
RAID 3 or 4 (striped disks with dedicated parity) combines three or more disks in a way that protects data against loss of any one disk. Fault tolerance is achieved by adding an extra disk to the array and dedicating it to storing parity information. The ...
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