Western Digital Technologies, Inc.

An-Chieh Chang

Raffi Codilian

Choo-Bhin Ong

A disk drive is disclosed comprising a disk, and a head actuated over the disk. Control circuitry within the disk drive is operable to write a plurality of code segments to a primary area of the disk, and write the code segments to a backup area of the disk. The control circuitry reads the code segments from the primary area of the disk and executes the code segments read from the primary area of the disk. After reading the code segments from the primary area of the disk and executing the code segments, the control circuitry verifies recoverability of the code segments from the backup area of the disk, and when the verification fails, copies the code segments from the primary area of the disk to the backup area of the disk.

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Irvine, CA, United States of America

An-Chieh Chang