Data processing: database and file management or data structures – File management – File systems
Reexamination Certificate
2011-07-19
2011-07-19
Vo, Tim T. (Department: 2168)
Data processing: database and file management or data structures
File management
File systems
C707S821000, C707S822000
Reexamination Certificate
active
07984085
ABSTRACT:
A storage system, such as a file server, creates persistent consistency point images (PCPI) or “snapshots” that are point-in-time representations of the storage system. The storage system uses persistent consistency point images to backup or mirror data. Using data already found in the data block maps associated with these PCPI, the rate of change of data between persistent consistency point images can be determined.
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Aggarwal Himanshu
Hamilton Eric C.
Kahn Andy C.
Blakely , Sokoloff, Taylor & Zafman LLP
Network Appliance Inc.
Smith Garrett
Vo Tim T.
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