Optical recording medium, recording/reproducing apparatus, and recording/reproducing method
AssigneeSamsung Electronics Co., Ltd.
InventorsSung-hee HWANG, Jung-wan Ko
Life of this patent
Estimating the term…
Abstract
An information recording medium, on which when a spare area for a replacement block for replacing a defect block created in a predetermined area of an information recording medium is enlarged or newly allocated, defect status information of blocks within the enlarged or newly allocated spare area is changed and written on the information recording medium. By managing the defect status information of the blocks within the enlarged or newly allocated spare area, unnecessary operations of a drive system are eliminated thus improving efficiency of the drive system.
Claims1
A method for managing a defect on an information recording medium, comprising:
- generating a second defect list entry when a block corresponding to a first defect list entry exists within an enlarged or newly allocated spare area,
- wherein the first defect list entry comprises status information indicating that a defective block has a corresponding replacement block for replacing the defective block, first information indicating a location of the defective block, and second information indicating a location of the replacement block, and
- the second defect list entry comprises status information indicating that the replacement block is an unusable block for replacing the defective block, and the second information indicating the location of the replacement block.
Dependencies are inferred from the claim text.