Patent ID: 7958389

Claim:
A recording/reproducing method comprising: recording logical overwrite (LOW) replacement data configured to update data recorded on an information storage medium in an area for replacement by logical overwrite (LOW); recording defect replacement data configured to replace a defect occurring on the medium in an area for replacement by defect; if a defect occurs in a first block recorded in a predetermined area of the medium during a read-modify-write (RMW) process for a replacement by LOW for at least partial data of the first block, recording a second block replacing the first block in the area for replacement by LOW; and generating a defect list (DFL) entry including location information of the first block and location information of the second block, wherein the second block includes a data portion including user data and an additional information portion including the location information of the first block, and wherein the first block is an original block or a previously recorded replacement block.