Metadirectory namespace and method for use of the same
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United States of America Patent
Stats
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Jul 12, 2011
Grant Date -
N/A
app pub date -
Sep 22, 2009
filing date -
Jul 9, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A data storage system is disclosed. A flag is maintained in metadata pointing to a block of data. A first value of the flag indicates that the block of data is stored in a user accessible file. A second value of the flag indicates that the block of data is stored in a protected file. The flag pointing to the requested data block is checked upon receipt of a data access request. When the flag has the first value the data access request is permitted. When the flag has the second value, an access control list is checked, and if the requesting client is listed in the access control list permitting the data access request, and if the requesting client is not listed in the access control list denying the data access request.
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