Importance

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Abstract

A data management system or “DMS” provides an automated, continuous, real-time data protection service to one or more data sources associated with a set of application host servers. To facilitate the service, a host driver embedded in an application server captures real-time data transactions. When a data protection command for a given data source is forwarded to a host driver, an event processor enters into an initial upload state. During this state, the event processor gathers a list of data items to be protected and creates a data list. Then, the event processor moves the data to a DMS core to create initial baseline data. The upload is a stream of application-aware data chunks that are attached to upload events. A resynchronization state is entered when there is a suspicion that the state of the data in the host is out-of-sync with the state of the most current data in the DMS. During upload or upward resynchronization, the application does not have to be shut down.

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First Claim