System and method for mapping file block numbers to logical block addresses
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United States of America Patent
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Oct 14, 2008
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N/A
app pub date -
Apr 24, 2003
filing date -
Apr 24, 2003
priority date (Note) -
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Abstract
A system and method for mapping file block numbers (FBNs) to logical block addresses (LBAs) is provided. The system and method performs the mapping of FBNs to LBAs in a file system layer of a storage operating system, thereby enabling the use of clients in a storage environment that have not been modified to incorporate mapping tables. As a result, a client may send data access requests to the storage system utilizing FBNs and have the storage system perform the appropriate mapping to LBAs.
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