System and method for reorganizing data in a raid storage system
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United States of America Patent
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May 24, 2005
Grant Date -
Dec 25, 2003
app pub date -
Jun 24, 2002
filing date -
Jun 24, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of operating a storage controller that receives data access requests containing a logical block address and a count of blocks involved in the access request. A record is generated and persistently stored indicating whether particular logical block addresses have been accessed since creation. The persistent record is subsequently accessed to enable selected operations to be skipped or aborted when they selected operations involve logical block addresses that have never been accessed.
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