Recording medium, and method and apparatus for recording defect management information on the recording medium

An apparatus for recording information for managing a defective area in a recording medium, comprising:

• a pickup configured to record/reproduce data on/from the recording medium;
• and
• a controller, operatively coupled to the pickup, configured to control the pickup to record defect management information in at least one of inner and outer zones of the recording medium, the defect management information including at least one defect entry for managing one or more defective areas within a user data area of the recording medium, the defect entry including status information for identifying a type of the corresponding defect entry, a first field for indicating a position of a defective area within a user data area and a second field for indicating a position of a replacement area within the spare area for replacing the defective area, wherein if the status information indicates that the corresponding defect entry is unusable, the first field is set to zero and the second field indicates an address of a defective cluster within the spare area.

A recording medium having a data structure for managing one of recording and reproducing by an apparatus, comprising:

• a data area for storing a user data area and a spare area;
• and
• a control data area for storing defect management information for managing one of recording and reproducing by the apparatus, the defect management information including at least one defect entry for managing one or more defetive areas within a user data area of the recording medium, the defect entry including status information for identifying a type of the corresponding defect entry, a first field for indicating a position of a defective area within the user data area and a second field for indicating a position of a replacement area within a spare area for replacing the defective area, wherein if the status information indicates that the corresponding defect entry is unusable, the first field is set to zero and the second field indicates an address of a defective cluster within the spare area, and wherein the control data area is included in at least one of inner and outer zones of the recording medium.