Patent ID: 7821895

Claim:
A data managing method for an optical disc drive writing user data into an optical disc having defects, the optical disc drive comprising a first buffering space and a second buffering space, the first buffering space for storing data predetermined to be recorded into a user data area on the optical disc, the second buffering space for storing data predetermined to be recorded into a spare area on the optical disc, the data managing method comprising: (a) when the first buffering space receives a data corresponding to a defect of the optical disc, not suspending the first buffering space from receiving the user data, and transferring the data, corresponding to the defect and stored in the first buffering space, to the second buffering space; and (b) when the amount of data stored in the second buffering space reaches a predetermined value, suspending the optical disc drive from writing data stored in the first buffering space into the user data area, and driving the optical disc drive to write data stored in the second buffering space into the spare area.