Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Muthian Sivathanu0
Remzi H. Arpaci-Dusseau0
Andrea C. Arpaci-Dusseau0
Date of Patent
May 19, 2009
0Patent Application Number
115357570
Date Filed
September 27, 2006
0Patent Primary Examiner
Patent abstract
A disk drive or similar storage medium uses a semantic understanding of its associated file system to monitor file metadata and derive block liveness normally only known by the file system. Knowledge of block liveness can be used to improve the disk performance and to create a disk that provides for secure deletion without explicit instructions from the file system.
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