Patent ID: 7974954
Filing Date: 2011-07-05
Classification: G06F,G11B,Y10S

Abstract:
1. A recording method for recording data to a record medium corresponding to a hierarchical file system, the method comprising the steps of: recording management information for managing a hierarchical structure of the file system to a particular area being a file management area of the record medium, the data of the file being prevented from being recorded to the particular area; treating an unused area of the particular area as a particular file; copying all the particular area to another area as it is and treating all the copied particular area as one backup file; and if a part of the management information cannot be read, reducing a length of the particular file, creating a blank portion of the particular area, and recovering the part of the management information that cannot be read with data corresponding to the part of the backup file in the blank portion of the particular area, recording information with respect to an initial location and an initial length of the particular file and information with respect to a current location and a current length of the particular file to the particular area, wherein the initial location and initial length of the particular file are recorded in the file management area during a format process of the record medium.