Patent ID: 7370222

Claim:
A system configured to be coupled to a plurality of computers, the system comprising: a data storage area being configured to store data received from at least one of the plurality of computers; a journal storage area being configured to store a plurality of journal data and a plurality of recoverable points, one of the plurality of journal data corresponding to data stored in the data storage area, and one of the plurality of recoverable points being set for being able to recover data stored in the data storage area at a point corresponding to the one of the plurality of recoverable points if the one of the plurality of recoverable points is designated in future; a backup storage area being configured to store backup data of data stored in the data storage area at a point; and a control apparatus being configured to send information of the plurality of recoverable points to at least one of the plurality of computers by managing the plurality of recoverable points, and to recover data of the data storage area corresponding to a designated recoverable point, designated by the at least one of the plurality of computers which receives the information of the plurality of recoverable points from the control apparatus, by using a journal data, stored in the journal storage area and corresponding to the designated recoverable point, and the backup data stored in the backup storage area.