Patent ID: 8707089

Claim:
A storage control device for managing data in a storage while maintaining redundancy of the data, the storage control device comprising: a processor; a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, managing, based on a formatting management table stored in the storage, a formatted region and an unformatted region in a management target volume to be managed; formatting of the unformatted region in the management target volume on the basis of the formatting management table; retaining, in a recovery management table stored in the storage, a content of the formatting management table at a point of a failure of a formatted disk when the failure of the disk has occurred during formatting recovering, in parallel with the formatting, a formatted region, which had been formatted at a point of occurrence of a redundancy restoration event, on the basis of the recovery management table; and determining whether a plurality of recovery target region units to be recovered are continuous with one another, wherein in a case where the management target volume includes a plurality of volume regions, when the recovery processing section refers to the recovery management table for each volume region and recognizes that all regions within the volume region have not been formatted, the recovery processing section skips recovery of the volume region.