Database system including center server and local servers
US7197519B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2003 |
| Grant date | Mar 27, 2007 |
| Priority date | — |
| Expiry date | Dec 13, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99953
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A database system includes a center server and local servers. The center server includes a replication requesting unit, a data consolidating unit including a center DB freeze requesting unit and a center DB freeze release requesting unit, a replication source managing table and a data consolidation completion notifying unit. Each of the local servers includes a local DB freeze requesting unit, a remote volume split requesting unit, a remote volume split completion notifying unit and a local DB freeze release requesting unit. The center server permits replications of local DB's in local storage subsystems to be created in the center storage subsystem and accesses shadow images of the replications to give a consolidated access to the plurality of local DB's.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.