Patent ID: 8126864

Claim:
A method for managing a folder by a computer that is operable under an operating system and capable of selecting a storage destination of the folder from a plurality of drives, said method comprising: setting a drive correspondence table showing a correspondence relation of first location information and second location information, the first location information including location information of an apparent drive allocated to the folder in the operating system, and the second location information including location information of a target drive to be actually allocated to the folder, wherein the apparent drive is an internal drive of the computer and the target drive is an external drive connected to the computer via a direct local connection; changing, in response to a request for an access to the folder requested by the operating system, location information of a drive allocated to the folder from the first location information of the apparent drive allocated to the folder to the second location information of the target drive allocated to the folder in accordance with the drive correspondence table without notifying the operating system of a change of location information of a drive allocated to the folder; determining, in response to the request for access to the folder requested by the operating system, whether the target drive allocated to the folder is valid in the computer or not; and inhibiting, when the target drive is determined to be not valid, to change the location information of the drive allocated to the folder from the first location information to the second location information.