Information processing device, information processing method, and information storage medium, including storage of information indicating which medium among plural media has a recording failure area and a position in the medium of the recording failure area

An information processing device for recording data in a disk array including a plurality of portable information storage media, the information processing device comprising:

• a plurality of drive devices which respectively record the data in the plurality of the information storage media, and reproduce the data from each of the plurality of the information storage media;
• and
• a control section which controls the plurality of the drive devices for recording the data in the disk array by striping the data, and controls the plurality of the drive devices for reproducing the data from the disk array,
• each of the plurality of the information storage media including:
• a user area having a plurality of data blocks for recording the data, and
• a management information area in which recording failure area information is recorded, the recording failure area information including:
• information indicating which information storage medium, among the plurality of the information storage media of the disk array, has a recording failure area in which the data is missing;
• and information indicating a position of the recording failure area in the information storage medium that has the recording failure area,
• the control section including:
• a data recording section which records the data in the plurality of the data blocks of the plurality of the information storage media by striping the data, and records, in at least one parity block, at least one parity data for use in recovering data in the data block, among the plurality of data blocks, in which the data is missing,
• an area information recording section which records, in a case where recording has failed in at least one of the drive devices at a time of recording the data, the recording failure area information in the management information area of at least one of the information storage media, and
• a reproduction control section which invalidates data read from the recording failure area, based on the recording failure area information, and reproduces data in the recording failure area with use of the at least one parity data, wherein
• the management information area further includes array management information for managing a recording state of the disk array,
• the array management information includes:
• array type information for identifying a recording system of the disk array,
• array component number information indicating how many of the information storage media are included in the disk array,
• array number information indicating an ordinal number of the respective information storage media in the disk array, and
• an array configuration information table relating to all the information storage media of the disk array, in which the array number of the respective information storage media included in the disk array, and a medium identification number for uniquely identifying the respective information storage media are correlated with each other,
• the control section further includes an information acquiring section which acquires the array management information recorded in the management information area at least at a timing when the drive device loaded with the information storage medium is started up, and
• the reproduction control section controls the plurality of the drive devices, based on the acquired array management information.

A portable information storage medium among a plurality of portable information storage media included in a disk array for recording data, the portable information storage medium comprising:

• a user area including a plurality of data blocks for recording the data;
• and
• a management information area in which recording failure area information is recorded, the recording failure area information including:
• information indicating which information storage medium, among the plurality of the information storage media of the disk array, has a recording failure area in which the data is missing;
• and information indicating a position of the recording failure area in the information storage medium that has the recording failure area, wherein
• the data obtained by striping and being stored in the plurality of the information storage media, and parity data for use in recovering data in the data block, among the plurality of data blocks, in which the data is missing are recorded in the user area,
• the management information area further includes array management information for managing a recording state relating to the disk array,
• the array management information includes:
• array type information for identifying a recording system of the disk array,
• array component number information indicating how many of the information storage media are included in the disk array,
• array number information indicating an ordinal number of the respective information storage media in the disk array, and
• an array configuration information table relating to all the information storage media of the disk array, in which the array number of the respective information storage media included in the disk array, and a medium identification number for uniquely identifying the respective information storage media are correlated with each other, and
• the array management information is recorded in the management information area at a timing when an initialization processing for configuring the disk array is performed.

A portable information storage medium among a plurality of portable information storage media included in a disk array for recording data, the portable information storage medium comprising:

• a user area including a plurality of data blocks for recording the data;
• and
• a management information area in which recording failure area information is recorded, the recording failure area information including:
• information indicating which information storage medium, among the plurality of the information storage media of the disk array, has a recording failure area in which the data is missing;
• and information indicating a position of the recording failure area in the information storage medium that has the recording failure area, wherein
• the data obtained by striping and being stored in the plurality of the information storage media, and parity data for use in recovering data in the data block, among the plurality of data blocks, in which the data is missing are recorded in the user area,
• data read from the recording failure area is invalidated, based on the recording failure area information, and data in the recording failure area is reproduced with use of the parity data,
• the management information area further includes array management information for managing a recording state of the disk array,
• the array management information includes:
• array type information for identifying a recording system of the disk array,
• array component number information indicating how many of the information storage media are included in the disk array,
• array number information indicating an ordinal number of the respective information storage media in the disk array, and
• an array configuration information table relating to all the information storage media of the disk array, in which the array number of the respective information storage media included in the disk array, and a medium identification number for uniquely identifying the respective information storage media are correlated with each other,
• the array management information is acquired from the management information area at least at a timing when the drive device loaded with the information storage medium is started up, and
• the data is produced, based on the acquired array management information, from each of the plurality of the information storage media.