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A process whereby the integrity of the redundant data on fault-tolerant
arrays (RAID 1, 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. |