Data recovery method and data recording apparatus

摘要

Information about the address of file information in a storage device and file information containing an updated version of the file information is recorded in different areas in the storage device before the file is updated, determination is made as to whether or not the information can be read successfully from the storage device (steps 202 and 204), and based on the determination, determination is made as to whether or not data recovery should be performed and, if data recovery should be performed (steps 201 and 203), data successfully read from the storage device is used to record the data in a sector indicated by the address information (step 205).