RAID 0 and 1 combined?

Miscellaneous Forums/General Discussion/RAID 0 and 1 combined?

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Is it possible to combine both? Raid 0 is useful as you get twice the read/write speed (roughtly) but double the chance of failure. Raid 1 is useful as the second drive is a mirror so if one fails you have a perfect backup on the other one. Can you get 4 drives, in 2 pairs, and have each pair RAID 0 for speed but treat each pair as RAID 1 for added backup security?