Patent ID: 8433860

Claim:
A data reproducing apparatus comprising: a read unit to read data from an information storage medium comprising a lead-in area and a data area, the data area comprising a user data area and a spare area, the user data area comprising a first block having first data, and a second block having second data, and the spare area comprising a third block having data for replacing the second data in the second block; and a controller controlling the read unit to read a defect list entry from a temporary defect list in a temporary defect management area in the lead-in area, the defect list entry comprising location information of the first block as location information of defect data, and location information of the third block as location information of replacement data; and to read data recorded on the information storage medium using the defect list entry; wherein the second block is a block that has been allocated according to a command to record the second data in the first block having the first data, and was detected as a defective block during recording the second data in the second block by using a logical overwriting method, wherein the third block comprises a data portion containing user data and an additional data portion comprising location information of the second block, and the data portion and the additional data portion have different error correction structures, wherein the second block comprises the second data updating the first data and location information of the first block.