Patent
Rolling cache configuration for a data replication system
Andrei Erofeev
- 18 Dec 2006
341
TL;DR: In this paper, the replicated data represents a known good state of the application, as determined by the consistency point entries, and the destination system(s) may perform a storage operation (e.g., snapshot, backup) to copy the replica data and to logically associate the copied data with a time information indicative of the source system time when the application was in the known good states.
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Abstract: Performing data management operations on replicated data in a computer network. Log entries are generated for data management operations of an application executing on a source system. Consistency point entries are used to indicate a time of a known good, or recoverable, state of the application. A destination system is configured to process a copy of the log and consistency point entries to replicate data in a replication volume, the replicated data being a copy of the application data on the source system. When the replicated data represents a known good state of the application, as determined by the consistency point entries, the destination system(s) may perform a storage operation (e.g., snapshot, backup) to copy the replicated data and to logically associate the copied data with a time information (e.g., time stamp) indicative of the source system time when the application was in the known good state.
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Citations
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