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RAID 4 recovery is the process of recovering data and restoring operations in a RAID 4 infrastructure. It utilizes the combination of both automated and manual measures that enable a RAID 4-type array to recover data and operations to its last known or best configuration.
RAID 4 recovery generally is achieved through RAID data recovery software. The common reasons for RAID 4 recovery are due to RAID controller errors, parity loss, disk failures, viruses, data corruption and deletion, and more. RAID 4 recovery usually requires ensuring the drives are in an operational condition before data can be extracted from them. This may require physically repairing or resolving hardware-based disk issues. It also requires recovering the parity information.