| 摘要 |
<p>PROBLEM TO BE SOLVED: To designate a primary data storage device as a primary in a data storage system for storing data in a plurality of data storage devices.SOLUTION: A data storage control device in the data storage system for storing data in a plurality of data storage devices includes: storage means for storing an order aggregate of the plurality of data storage devices; and order calculation means for changing the order of elements in the order aggregate while using designation information for designating a specific data storage device in the plurality of data storage devices. In the data storage system, a data storage device corresponding to an element of a predetermined turn in the order aggregate in which the order is changed by the order calculation means, is used as the specific data storage device.</p> |
