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Intro to Nested-RAID: RAID-01 and RAID-10

Jan 07, 2011, 22:08 (0 Talkback[s])
(Other stories by Jeffrey B. Layton)


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"We found that some of the RAID levels emphasize performance, and some emphasize data redundancy. There are also some that try to provide a balance of the two goals but perhaps emphasized data redundancy more than performance. After a while people recognized that these single RAID level configurations might be limiting what we could achieve with RAID. Perhaps we could use multiple RAID configurations to achieve a better balance of performance and data redundancy.

"In this article I want to talk about a further development of RAID that combines various RAID levels to create a "Nested RAID". Nested RAID is sometimes also called Hybrid RAID with the concept of combining the standard RAID levels to perhaps create new and better RAID configurations."

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