摘要 |
<P>PROBLEM TO BE SOLVED: To provide a storage system and a remote copy recovery method, enabling recovery in a short time period from a failure in remote copy. Ž<P>SOLUTION: In the storage system in which data written in a primary logical volume of a first storage device are transmitted to a third storage device via a second storage device, the data being written in the same location as a primary logical volume within a secondary logical volume therein; when transmission of the data stops among the first to the third storage devices, the respective second storage device and the third storage device manage locations in the secondary logical volume where the data held thereby are to be written; and, when transmission of the data resumes, the locations in the secondary logical volume managed by the respective second and the third storage devices are aggregated, the data to be written in the respective aggregated locations in the secondary logical volume are transmitted from the first storage device to the third storage device. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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