Data processing: database and file management or data structures – Database and file access – Database access control methods
Reexamination Certificate
2011-07-12
2011-07-12
Alam, Shahid A (Department: 2158)
Data processing: database and file management or data structures
Database and file access
Database access control methods
C707S786000
Reexamination Certificate
active
07979465
ABSTRACT:
A data protection method for accepting an access request for a file stored in a file system of a storage device and referring or updating to the file based on the access request, including the steps of: determining whether a current time is within a preset monitoring period; obtaining a snapshot of the file system when the time reaches the monitoring period; and updating the file system with the snapshot when the time reaches end of the monitoring period.
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Alam Shahid A
Hitachi , Ltd.
Hitachi America, Ltd.
Lawson Donald
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