Method and system of replicating data using a recovery data change log
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United States of America Patent
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Nov 25, 2008
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N/A
app pub date -
Feb 27, 2004
filing date -
Feb 27, 2004
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Abstract
A method and system of replicating data using a recovery data change log. According to one embodiment a method is provided in which a copy of a data change log at a primary node is maintained at a data recovery node, the data change log being associated with a primary data volume of the primary node, a failure of the primary data volume is detected, and a secondary data volume of a secondary node is updated using the copy of the data change log in response to the detection.
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