Definition

RAID 2

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Contributor(s): Kim Hefner

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Download: RAID 5 and RAID 6 achieve more efficient erasure coding

This guide will instruct you on how to implement RAID 5 or RAID 6 erasure coding in virtual environments like vSAN 6.2. Included is an explanation of how these higher levels conserve capacity while maintaining data availability.

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RAID 2 is a technique that stripes data at the bit level using a Hamming code to detect errors.

Because the error correction codes in today's hard disk drives use Hamming code, RAID 2 is now considered obsolete.

This was last updated in December 2014

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