Patent ID: 7492683
Filing Date: 2009-02-17
Classification: G11B

Abstract:
1. An information recording method for recording information on a recording medium having a volume space by a system including a drive control unit and a system control unit, the method comprising the steps of: (a) notifying the drive control unit, by the system control unit, of position information, wherein the position information indicates a position of a spare area assigned in the volume space; (b) recording information, by the drive control unit, in the spare area based on the notified position information, wherein the information is intended to be recorded in a defective area; (c) generating replacement information, by the drive control unit, on the position at which the information is recorded in the spare area, and notifying the system control unit of the replacement information; (d) instructing the drive control unit, by the system control unit, to change management information for managing the information recorded on the recording medium based on the notified replacement information; and (e) changing the management information based on the instruction by the drive control unit.