Systems and methods for managing replicated database data
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United States of America Patent
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Jun 19, 2012
Grant Date -
Jun 10, 2010
app pub date -
Apr 15, 2009
filing date -
Dec 10, 2008
priority date (Note) -
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Abstract
Systems and methods for replicating database data and generating read-only copies of the replicated data in a clean shutdown state. For example, systems can include a tracking module (e.g., a filter driver) that monitors transactions from a database application to a source storage device to generate log entries having at least one marker indicating a known good state of the application. The systems further include a computer coupled to a target storage device comprising a database and log files. The computer processes the transactions, based on the log entries, to replicate data to the target storage device; performs a first snapshot on data stored in the database and log files; replays into the database data stored in the log files; performs another snapshot on the database; and reverts the database back to a state in which the database existed at the time of the first snapshot.
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