Patent ID: 7936648
Filing Date: 2011-05-03
Classification: G11B

Abstract:
1. A method of recording data on a recording medium including a user data area, on which one or more recording ranges are allocated, and a management area including management information, the method comprising: receiving an overwriting command to record the data on a recorded area of a recording range, each recording range is one of an open recording range having a recordable position and a closed recording range having no recordable position; selecting an open recording range based on a list of the open recording ranges included in the management information, for recording the data, wherein the management information further includes information indicating a number of open recording ranges within the recording medium, and the list includes one or more identification numbers, each identification number corresponding to each open recording range, and the one or more identification numbers are aligned by descending order in the list; and recording the data starting from the recordable position of the selected open recording range, wherein the recordable position is determined by checking management information including a last recorded address (LRA) of the selected open recording range from the management area and determining the recordable position as a position of first sub-recording unit of an unrecorded recording unit following the LRA.