Mirroring file data
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United States of America Patent
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Mar 19, 2013
Grant Date -
Mar 8, 2012
app pub date -
Sep 2, 2010
filing date -
Sep 2, 2010
priority date (Note) -
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Abstract
The present invention extends to methods, systems, and computer program products for mirroring file data. Generally, high availability and disaster recovery (“HADRON”) is achieved within a database management system by detecting which parts of a file have changed and sending the changed parts to secondaries. Adjacent or partially overlapping parts of a file can coalesce to form larger chunks of changed data. Coalescing reduces the overall number of chunks that are tracked.
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