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RAID 3 recovery is the process of recovering and restoring data in a RAID 3 infrastructure.
It utilizes both automated and manual measures that enable a RAID 3-type array to recover data and operations to last known or best configuration after a failure or error.
RAID 3 recovery generally requires specialized RAID recovery software. Typically, RAID 3 recovery is required due to a failed RAID controller, rebuilding problems, data corruption and deletion as well as other causes. RAID 3 recovery works by reversing the XOR equation of the parity data. The XOR calculation is achieved through the user data and is stored on a parity drive. Using this XOR equation, any data on any drive can be recovered.