| 摘要 |
PROBLEM TO BE SOLVED: To carry out remote copy ensuring ordering even if a delay occurs in data transfer processing. SOLUTION: A storage device includes: a data group storage area securing means securing a data group storage area for storing data groups in a first or third storage means on detection of anomaly in output processing by a data group output means; a saving means reading the data groups from a plurality of second storage means to save them in the data group storage area in accordance with use conditions of the second storage means; and a second storage processing means distributing the data groups saved in the data group storage area to store them in respective storage areas, which are not used after output processing by the data group output means is completed, of the second storage means. COPYRIGHT: (C)2011,JPO&INPIT |
