Method, system, and program for logically erasing data
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 13, 2003
Grant Date -
N/A
app pub date -
Aug 18, 1999
filing date -
Aug 18, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a method, system, program, and memory for erasing data. A request to erase data at least one storage location is received. In response, a data structure is generated indicating that each storage location subject to the erase request is in an erased state. Upon processing a request to access a storage location, a determination is made as to whether the requested storage location is indicated in the data structure. The data structure is processed to determine whether the requested storage location is in the erased state after determining that the requested storage location is indicated in the data structure. Access to the data at the requested storage location is denied after determining that the requested storage location is in the erased state.
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