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Old January 5, 2011, 10:55 AM
Squeetard Squeetard is offline
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Join Date: Nov 2007
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Raid 10 needs 4 drives. 2 striped for speed that are also mirrored to the other 2. Raid 5 is a stripe that uses parity to check and correct errors, the same way you use parity files to fix incomplete downloads (cough cough). So the raid controller reserves space on each drive for the parity data.
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