METHOD AND APPARATUS FOR BACKING UP DATA
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United States of America Patent
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Issued Date -
Oct 22, 2009
app pub date -
Jan 9, 2009
filing date -
Apr 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for backing up data in the source LUN is disclosed. The method for backing up the data in a source Logic Unit Number (LUN), includes: copying the data which needs to be modified in the source LUN to a resource pool; monitoring the resource utilization amount in the resource pool; creating a target LUN when the resource utilization amount exceeds a preset threshold; and copying the unmodified data in the source LUN and the backup data of the source LUN in the resource pool into the target LUN.
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