What Are RAID Levels and How Do They Differ?

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The various RAID types describe the way data is striped, mirrored, or made redundant across a variety of drives. The RAID 0 technology emphasizes
performance and capacity, although it does not include any fault tolerance feature, which means that one faulty drive can damage all drives within the array. The RAID 1 technology involves creating a mirrored copy of data and provides protection against the loss of one drive in the simple configuration of two drives. The RAID 5 type includes a parity check, which allows tolerating up to one drive failure, and the RAID 6 type allows tolerating two drive failures. When choosing the RAID type, you should consider your needs, preferences, and risks.
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