Using current recovery mechanisms to implement dynamic mapping operations
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United States of America Patent
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Mar 11, 2003
Grant Date -
Dec 27, 2001
app pub date -
Mar 8, 2001
filing date -
Jun 19, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method for using existing internal mapping mechanisms to dynamically map data in a computer storage subsystem is provided. The invention comprises using a dynamic mapping mechanism to mark (e.g., via a D-Mark) a data location and then using pointers to direct write requests for the data location to a side file. The new data is then written in the side file and a housekeeping operation reconciles the old and new data locations.
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