Patent ID: 8341456
Filing Date: 2012-12-25
Classification: G11B

Abstract:
1. A method of recording management information on a computer-readable recording medium, the method comprising: performing a first replacement recording by recording first data in a first replacement area when a command for overwriting the first data in a first area is received, the first area being a pre-recorded area, the first replacement area being defective, the first replacement recording generating a first temporary entry; performing a second replacement recording by recording the first data in a second replacement area instead of the first replacement area, the second replacement recording generating a second temporary entry; generating a defect entry based on the first temporary entry and the second temporary entry, the defect entry being management information for managing the first replacement recording and the second replacement recording; and recording, in a management area of the computer-readable recording medium, the generated defect entry, the defect entry including,