Patent ID: 8767325
Filing Date: 2014-07-01
Classification: G11B

Abstract:
1. A data recording apparatus for recording data to a recording medium having one or more tracks arranged in parallel, said data recording apparatus comprising: a data recorder configured to record the data to the one or more tracks, at least one track being a re-recording region; a memory configured to store the data; and a controller configured to control the data recorder, wherein the controller: determines whether or not the one or more tracks include a data defective region in which the data has not been recorded properly, stores in the memory the data that has not been recorded properly, designates a position corresponding to the data defective region, the position in another track from the data defective region and arranged in parallel to the data defective region such that the position overlaps the data defective region in a lengthwise direction of the recording medium, and reads from the memory the data that has not been recorded properly, and records the data that has not been recorded properly to the position corresponding to the data defective region.