Method of and apparatus for managing disc defects in disc, and disc on which defects are managed

Abstract

A method of and apparatus for managing disc defects in a disc using a temporary defect management area in the disc, and the disc, where the method includes recording in a data area user data; and recording in a temporary defect management area, which is present in at least one of a lead-in area and a lead-out area, which temporary defect information and temporary defect management information regarding the user data recorded in the data area are recorded. Accordingly, the method and apparatus are applicable to recordable discs and capable of effectively using the defect management area.

1 . A disc usable with respect to a recording and/or reproducing apparatus, the disc comprising: 
 a data area in which user data is recorded; and    at least one of a lead-in area and/or a lead-out area adjacent the data area and which comprises a temporary defect management area which comprises temporary defect information and temporary defect management information regarding the user data recorded in the data area and which is accessible by the recording and/or reproducing apparatus to perform defect management on the disc,    wherein the temporary defect information comprises information indicating a position of a defective area of the data area in which a corresponding unit of user data is recorded.    
   
   
       2 . The disc of  claim 1 , further comprising a replacement area in which is recorded the unit of the user data so as to be a substitute area for the defect area, wherein the temporary defect information contains information indicating a position of the replacement area.  
   
   
       3 . A recording and/or reproducing apparatus for use with a disc having a data area and a temporary defect management area in one of a lead-in and/or a lead-out area, the recording and/or reproducing apparatus comprising: 
 a recording/reading unit that records data on or reads data from the data area of the disc; and    a controller that controls the recording/reading unit to 
 record first temporary defect information in the temporary defect management area, the first temporary defect information comprising defect information regarding a first unit of the data recorded in the data area according to a first recording operation,  
 record first temporary defect management information in the temporary defect management area, the first temporary defect management information comprising defect management information for managing the first temporary defect information,  
 record second temporary defect information in the temporary defect management area, the second temporary defect information comprising defect information regarding a second unit of the data recorded in the data area according to a second recording operation, and  
 record second temporary defect management information in the temporary defect management area, the second temporary defect management information comprising defect management information for managing the second temporary defect information.  
   
   
   
       4 . The recording and/or reproducing apparatus of  claim 3 , wherein the controller further controls the recording/reading unit to record additional units of the data in the data area while increasing an index given to each additional recording operation, temporary defect information, and temporary defect management information, and to record a last recorded temporary defect management information and a last recorded temporary defect information in a defect management area included in at least one of the lead-in area and/or the lead-out area of the disc.  
   
   
       5 . The recording and/or reproducing apparatus of  claim 3 , wherein: 
 the controller further controls the recording/reading unit to record last data in the data area according to a last recording operation and to record final defect management information and final defect information in a defect management area, the final defect information and the final defect management information respectively comprising a last recorded temporary defect information and a last recorded temporary defect management information regarding the last data recorded according to the last recording operation, and    the defect management area is present in at least one of the lead-in area, the lead-out area, an outer area of the disc, or combinations thereof.    
   
   
       6 . The recording and/or reproducing apparatus of  claim 3 , wherein the controller further controls the recording/reading unit to sequentially record the temporary defect information in a temporary defect information area of the temporary defect management area, starting from a start of the temporary defect information area.  
   
   
       7 . The recording and/or reproducing apparatus of  claim 3 , wherein the controller further controls the recording/reading unit to sequentially record the temporary defect management information in a temporary defect management information area of the temporary defect management area, starting from an end of the temporary defect management information area.  
   
   
       8 . The recording and/or reproducing apparatus of  claim 3 , wherein the controller further controls the recording/reading unit to sequentially record temporary management information comprising a corresponding pair of the temporary defect information and temporary defect management information in the temporary defect management area, starting from a start of the temporary defect management area.  
   
   
       9 . The recording and/or reproducing apparatus of  claim 3 , wherein the controller further controls the recording/reading unit to sequentially record temporary management information comprising a corresponding pair of the temporary defect information and temporary defect management information in the temporary defect management area, starting from an end of the temporary defect management area.  
   
   
       10 . The recording and/or reproducing apparatus of  claim 3 , further comprising a memory, 
 wherein the controller further 
 controls the recording/reading unit to record the data on the disc in predetermined units of data according to a predetermined recording operation,  
 verifies the recorded units of data to detect a defective area of the disc in which a defect exists,  
 creates defective position information pointing to a defective area and replacement position information pointing to a replacement area that is a substitute area for the defective area,  
 stores the created defective position and replacement position information as temporary defect information in the memory,  
 controls the recording/reading unit to record an additional unit of the data after the defective area according to a further recording operation,  
 reads the temporary defect information from the memory after completion of the recording of the additional unit of the data according to the further recording operation, and  
 controls the recording/reading unit to record the read temporary defect information in the temporary defect management area.  
   
   
   
       11 . A disc usable with respect to a recording and/or reproducing apparatus, the disc comprising: 
 a data area in which user data is recorded; and    at least one of a lead-in area and/or a lead-out area adjacent the data area and which comprises a temporary defect management area which comprises temporary defect information and temporary defect management information regarding the user data recorded in the data area and which is accessible by the recording and/or reproducing apparatus to perform defect management on the disc,    wherein: 
 the corresponding temporary defect information and temporary defect management information are recorded as a pair of information in the temporary defect management area,  
 the corresponding temporary defect information and temporary defect management information are recorded as temporary management information in adjacent units in the temporary defect management area,  
 additional user data is recorded in the data area,  
 additional temporary defect information and additional temporary defect management information corresponding to the additional user data is recorded as additional temporary management information in adjacent units in a second area of the temporary defect management area, and  
 the temporary management information is recorded in a first area of the temporary defect management area other than the second area.  
   
   
   
       12 . A storage medium usable with respect to a recording and/or reproducing apparatus, the storage medium comprising: 
 a data area comprising user data and additional user data recorded in an area other than an area in which the user data is recorded; and    a management area other than the data area and which comprises a temporary defect management area comprising temporary defect information regarding the user data recorded in the data area, and additional temporary defect information recorded in an area other than an area in which the temporary defect information is recorded,    wherein: 
 the additional temporary defect information comprises defect information corresponding to the additional user data and to the user data and is accessible by the recording and/or reproducing apparatus to perform defect management on the disc,  
 the temporary defect management area further comprises: 
 temporary defect management information usable by the recording and/or reproducing apparatus to manage the temporary defect information, and  
 additional temporary defect management information usable by the recording and/or reproducing apparatus to manage the additional temporary defect information,  
 
 the temporary defect information and the temporary defect management information are recorded as temporary management information in adjacent units in the temporary defect management area,  
 the additional temporary defect information and the additional temporary defect management information are recorded as additional temporary management information in adjacent units in the temporary defect management area, and  
 the temporary management information is recorded in an area of the temporary defect management area other than an area in which the additional temporary management information is recorded.  
   
   
   
       13 . A storage medium usable with respect to a recording and/or reproducing apparatus, the storage medium comprising: 
 a data area comprising user data and additional user data recorded in an area other than an area in which the user data is recorded; and    a management area other than the data area and which comprises a temporary defect management area comprising temporary defect information regarding the user data recorded in the data area, and additional temporary defect information recorded in an area other than an area in which the temporary defect information is recorded; and    a further area comprising replacement data corresponding to a portion of the user data recorded in a defective portion of the data area,    wherein: 
 the additional temporary defect information comprises defect information corresponding to the additional user data and to the user data and is accessible by the recording and/or reproducing apparatus to perform defect management on the disc, and  
 at least one of the temporary defect information and/or the additional temporary defect information comprises a defect position information relating to a position of the defective portion and replacement position information relating to a position of the replacement portion.  
   
   
   
       14 . A recording and/or reproducing apparatus for use with a storage medium having a data area and a management area in an area other than the data area and which includes a temporary defect management area, the recording and/or reproducing apparatus comprising: 
 a pickup unit that transfers data with respect to the data area; and    a controller that controls the pickup unit to transfer the data with respect to the data area, and to transfer temporary defect information with respect to the temporary defect management area, the temporary defect information comprising defect information regarding the data recorded in the data area according to a recording operation and which the controller uses to perform defect management with respect to the storage medium,    wherein: 
 the storage medium is a write-once storage medium having a property which prevents, after the data is recorded on an area of the storage medium, new data from being written to the area of the storage medium,  
 the controller further transfers temporary defect management information with respect to the temporary defect management area, the temporary defect management information comprising management information used by the controller for managing the temporary defect information, and  
 the controller controls the pickup unit to transfer the temporary defect information and the temporary defect management information to be recorded as temporary management information in adjacent units in the temporary defect management area.  
   
   
   
       15 . A recording and/or reproducing apparatus for use with a storage medium having a data area and a management area in an area other than the data area and which includes a temporary defect management area, the recording and/or reproducing apparatus comprising: 
 a pickup unit that transfers data with respect to the data area; and    a controller that controls the pickup unit to transfer the data with respect to the data area, and to transfer temporary defect information with respect to the temporary defect management area, the temporary defect information comprising defect information regarding the data recorded in the data area according to a recording operation and which the controller uses to perform defect management with respect to the storage medium,    wherein: 
 the storage medium is a write-once storage medium having a property which prevents, after the data is recorded on an area of the storage medium, new data from being written to the area of the storage medium,  
 the controller further transfers temporary defect management information with respect to the temporary defect management area, the temporary defect management information comprising management information used by the controller for managing the temporary defect information,  
 the controller further controls the pickup unit to transfer additional data with respect to the data area, and to transfer additional temporary defect information and additional temporary defect management information corresponding to the additional data and which is recorded as additional temporary management information in adjacent units in a second area of the temporary defect management area, and  
 the temporary management information is recorded in a first area of the temporary defect management area other than the second area.  
   
   
   
       16 . A recording and/or reproducing apparatus for use with a storage medium having a data area and a management area in an area other than the data area and which includes a temporary defect management area, the recording and/or reproducing apparatus comprising: 
 a pickup unit that transfers data with respect to the data area; and    a controller that controls the pickup unit to transfer the data with respect to the data area, and to transfer temporary defect information with respect to the temporary defect management area, the temporary defect information comprising defect information regarding the data recorded in the data area according to a recording operation and which the controller uses to perform defect management with respect to the storage medium,    wherein: 
 the storage medium is a write-once storage medium having a property which prevents, after the data is recorded on an area of the storage medium, new data from being written to the area of the storage medium,  
 the controller further controls the pickup unit to transfer replacement data corresponding to the data recorded in a defective portion of the data area with respect to a further area of the data area, and  
 the temporary defect information comprises a defect position information relating to a position of the defective portion and replacement position information relating to a position of the replacement portion.  
   
   
   
       17 . A computer readable medium encoded with processing instructions for implementing a method of transferring data with respect to a storage medium performed by a computer, the storage medium having a data area and a management area in an area other than the data area and which includes a temporary defect management area, the method comprising: 
 controlling a pickup unit to transfer data with respect to the data area;    obtaining temporary defect information comprising defect information regarding the data recorded in the data area according to a recording operation and which is used to perform defect management with respect to the storage medium;    obtaining temporary defect management information used to manage the temporary defect information;    controlling the pickup unit to transfer the temporary defect information and the temporary defect management information with respect to the temporary defect management area; and    controlling the pickup unit to transfer the temporary defect information and the temporary defect management information to be recorded as temporary management information in adjacent units in the temporary defect management area.    
   
   
       18 . The computer readable medium of  claim 17 , wherein: 
 the method further comprises controlling the pickup unit to transfer additional data with respect to the data area, and to transfer additional temporary defect information and additional temporary defect management information corresponding to the additional data and which is recorded as additional temporary management information in adjacent units in a second area of the temporary defect management area, and    the temporary management information is recorded in a first area of the temporary defect management area other than the second area.    
   
   
       19 . A computer readable medium encoded with processing instructions for implementing a method of transferring data with respect to a storage medium performed by a computer, the storage medium having a data area and a management area in an area other than the data area and which includes a temporary defect management area, the method comprising: 
 controlling a pickup unit to transfer data with respect to the data area;    obtaining temporary defect information comprising defect information regarding the data recorded in the data area according to a recording operation and which is used to perform defect management with respect to the storage medium;    obtaining temporary defect management information used to manage the temporary defect information;    controlling the pickup unit to transfer the temporary defect information and the temporary defect management information with respect to the temporary defect management area;    controlling the pickup unit to transfer replacement data corresponding to a portion of the data recorded in a defective portion of the data area with respect to a further area of the data area,    wherein the temporary defect information comprises a defect position information relating to a position of the defective portion and replacement position information relating to a position of the replacement portion.