Patent ID: 7590814

Claim:
A data recording device comprising: a plurality of individual recording medium attaching units each configured to have attached thereto a respective recording medium; a password storage unit configured to store passwords for each respective recording medium associated with the plurality of individual recording medium attaching units; an acquisition unit configured to acquire stored passwords for the respective recording media attached to the plurality of medium attaching units, wherein each respective recording medium has a password locking function; an access authentication unit configured to judge whether or not a set of the respective recording media attached to the plurality of medium attaching units is accessible by a recording array system which executes at least one of a striping recording operation and mirroring recording operation by using stored passwords from the password storage unit; and an access control unit configured to access data from each respective recording medium using the recording system in a case where the access authentication unit authenticates that the respective recording media attached to the plurality of medium attaching units are accessible by the recording array system, wherein the access control unit sets again a format of the recording array system to a plurality of respective recording media having empty regions and continues recording remaining data using the recording array system with respect to the plurality of respective recording media to which the format has been set again in a case where there is generated a recording medium whose memory becomes full among the plurality of respective recording media attached to the plurality of medium attaching units during the recording of the data by the striping recording operation or the mirroring recording operation.