STORAGE DEVICE

摘要

PROBLEM TO BE SOLVED: To suppress the occurrence of a deferred error generated due to the exhaustion of a repair area by dynamically securing a repair area in a storage medium when the repair area is lacking. SOLUTION: A storage control part 30 is provided with a securing means for dynamically securing a repair area as a substitutive area for a case that data can not be written in a data area of a storage medium 40 when a data write error is generated in the case of writing data in the data area of the storage medium 40 in accordance with a data write request from a system body 10 and a writing means for writing data in which the data write error occurs in the repair area secured in the storage medium 40 by the securing means.