System and method for recording the order of a change caused by restoring a primary volume during ongoing replication of the primary volume
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United States of America Patent
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Mar 20, 2007
Grant Date -
N/A
app pub date -
Oct 16, 2003
filing date -
Oct 16, 2003
priority date (Note) -
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Abstract
A method may involve replicating a first change made to a primary volume. The first change is replicated to a secondary volume. A second change made to the primary volume is also replicated to the secondary volume. The second change is caused by a restore operation. Replicating the second change to the secondary volume involves recording an order of the second change relative to the first change.
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