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A process whereby the integrity of the redundant data on fault-tolerant arrays
(RAID 3 and 5) is checked. The parity checking procedure on a
logical drive recalculates the parity of data stripes in each of the logical drive’s RAID stripe sets and compares it with the stored parity. If a discrepancy is found, an error is reported and the new correct parity is
substituted for the stored parity. |