Enabling off-host data migration using volume translation mappings, snappoint maps and linked volume technologies
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United States of America Patent
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Oct 26, 2010
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app pub date -
Jan 4, 2007
filing date -
Jan 4, 2007
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Abstract
Enabling an off-host computer to migrate data of a data volume. In one embodiment, the off-host computer copies data contents of n data blocks of a first data volume to n data blocks, respectively, of a second data volume. A host computer is capable of modifying data contents of a first plurality of data blocks of the n data blocks of the first data volume after the off-host computer begins copying data contents of the n data blocks of the first data volume to the n data blocks, respectively, of the second data volume.
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