Patent ID: 7113691

Claim:
A method of recording information onto a recording medium having at least one recording track divided into logic blocks; wherein a predetermined part of the recording medium is reserved as a spare recording area; wherein the information file to be recorded is divided into data packets; and wherein a file writing session comprises the steps of: a) receiving a data packet to be recorded into a buffer and recording said a data packet in a block of the recording medium ( 2 ) in a block writing session; b) examining whether said block is a defective block ( 45 *); c) storing said data packet in an auxiliary memory ( 20 ) that has faster access times than the buffer in an auxiliary writing session if said block appears to be a defective block ( 45 *); d) repeating the steps (a) through (c) for all the data packets in the information file; e) subsequently, in a substitute writing session, copying the data packets stored in the auxiliary memory ( 20 ) to said spare recording area ( 3 ) of the recording medium ( 2 ).