Modus operandi of storage and storage and the remote storage null channel adapter which are used

摘要

PROBLEM TO BE SOLVED: To provide a method for operating a storage, that can promptly and easily increase a storage area of the storage when the remaining quantity of the storage area of the storage runs short, and is efficient and satisfactory for both of a user and a provider of the storage.;SOLUTION: The method for operating the storage is constituted so that a remote unit 2a the be provided by a remote storage 20 with which the storage 10 is connected via a prescribed communication means 30 is used as the storage area when the storage 10 detects the remaining quantity of the storage area to be provided by a disk unit 1a which is mounted on itself becomes less than a prescribed value.;COPYRIGHT: (C)2003,JPO