Fujitsu Corporation

Takahiro Hasegawa

Tomohisa Misawa

A backup method, a backup apparatus, a program for executing a backup operation, and a recording medium for storing the program are disclosed for high-speed backup operations without any large-sized backup medium. The backup method backs up data stored in a first virtual recording medium into a backup medium under control of a virtual storage system. In the backup method, first, a second virtual recording medium is created to include a duplicate of only an actual data recording area, in which actual data are recorded, in a recording area of the first virtual recording medium. Then, backup data recorded in the second virtual recording medium are backed up into the backup medium.

Method and apparatus for backing up data in virtual storage medium

A commodity information provision method for detecting a customer in a store who is in trouble and for providing such a customer with information about an appropriate commodity. A position detection device which the customer carries when shopping transmits position information indicative of current position, and customer position information acquiring unit periodically acquires the position information from the position detection device. Stop judging unit judges whether the customer has stopped or not in accordance with the position information. When the customer is at a stop, message determining unit determines a guidance message to be presented to the customer in accordance with a commodity displayed on a rack near the stop position, and message transmitting unit transmits the determined guidance message to the position detection device.

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Shizuoka, Japan

Takahiro Hasegawa