Patent ID: 7228376

Claim:
An apparatus for recording information comprising: an information recording unit adapted to record data on an optical recording medium having a user data area for recording user requested data and having a predetermined spare area for reallocating data in an area of the user data area containing a defect, wherein the user data area is arranged to extend from a radially inner area of the recording medium to a radially outer area of the recording medium, and wherein the predetermined spare area is arranged to be recorded at a radially outer area of the recording medium that is separated from recorded data in the user data area by unrecorded data; a data reallocating unit which is adapted to reallocate data in an area of the user data area containing a defect to the predetermined spare area; a temporary spare area recording unit which is adapted to generate a first temporary spare area in a portion of the user data area that is free from defects by copying the reallocated data from the predetermined spare area to the portion of the user data area that is free from defects, wherein the first temporary spare area is recorded at a portion of the user data area that does not include user data; and an updating unit which is adapted to record a second temporary spare area by copying the reallocated data from the predetermined spare area to another portion of the user data area in response to a data change in one of the first temporary spare area and the predetermined spare area, wherein the second temporary spare area is recorded at a portion of the user data area that does not include user data.