Data processing: database and file management or data structures – File or database maintenance – Synchronization
Reexamination Certificate
2011-04-05
2011-04-05
Wu, Yicun (Department: 2158)
Data processing: database and file management or data structures
File or database maintenance
Synchronization
C707S661000
Reexamination Certificate
active
07921077
ABSTRACT:
A system and method for managing data deduplication of a storage system utilizing persistent consistency point images (PCPIs). Once a target PCPI of a data transfer is generated, a backup management module of the storage system alerts a data deduplication module to begin deduplication of the data contained within the target PCPI. Once the deduplication procedure has been completed, the active file system of the storage system has been deduplicated, however, the target PCPI remains un-deduplicated. In response, the backup management module generates and exports a revised target PCPI. The previous target PCPI may then be deleted, thereby transitioning the exported PCPI's image of the state of the file system to a deduplicated state.
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DeStefano John Frederick
Manley Stephen L.
Ting Daniel
Zheng Ling
Cesari and McKenna LLP
Hasan Syed H
NetApp, Inc.
Wu Yicun
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