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Here are some Hardware RAID choices:
RAID 0 - STRIPING - this is the highest performance but the HIGHEST RISK! Don't use this unless you don't mind losing all of your data. If one drive fails you lose everything. (2 or more drives needed)
RAID 1 - MIRROR - this is a very safe configuration for your data because the 2nd drive contains an exact copy of the first. It is very ineffecient because you have half the capacity since everything is mirrored. (2 or more drives needed)
RAID 5 - This is a good choice if you want high security and high storage capacity since it is very efficient. It uses parity to rebuild a lost drive. But, you really need a dedicated RAID controller to run RAID-5 well. The built-in RAID on most motherboards don't do RAID-5 well...they're too slow. (3 or more drives needed)
RAID 0+1 (10) - this is a combination of RAID 0 and 1. Basically, a set of striped drives are mirrored to another set of striped drives. (4 or more drives needed)
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