| 摘要 |
PROBLEM TO BE SOLVED: To provide a database system that enables quick integrated access to a plurality of DBs in remote sites. SOLUTION: A center server comprises a replication request part, a data integration part, a center DB quiescence request part, a center DB quiescence cancel request part, an original management table and a data integration completion notification part, and local servers comprise a local DB quiescence request part, a DB replication part, a remote volume partitioning completion notification part and a local DB quiescence cancel request part. The center server replicates local DBs in local storage subsystems in a center storage subsystem, and accesses replicate shadow images. Integrated access is thus possible to a plurality of local DBs. COPYRIGHT: (C)2004,JPO
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