Method and apparatus for recording data on and reproducing data from a recording medium and the recording medium

On a data record's a recording medium method embodiment, the management information entry of recording the recording medium transition defect management district. Management information entry command recording medium user data region part, and management information entry a indicating the management information entry the first and second pointer. For example, a first state a pointer for indicating scheduled to user data region indicating with the end of the exchange, and second pointer state indication can take the sample.