Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2005-07-05
2005-07-05
Corrielus, Jean M. (Department: 2162)
Data processing: database and file management or data structures
Database design
Data structure types
C204S203000, C204S166000, C204S001001
Reexamination Certificate
active
06915316
ABSTRACT:
An improved method and apparatus for quickly and efficiently updating the original source volume and original target volumes after the original source volume has become temporarily unavailable. The original target volume is characterized as a source volume while the original source volume is temporarily unavailable. Transfer lists of different data blocks are generated. Data blocks not originally found on a source are copied to the target. Data blocks included on a target that were not found on the source are removed. By focusing upon specific data blocks, this technique avoids the use of filer overhead and other computational resources that would be expended if the entire volume were recopied.
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Federwisch Michael
Patterson Hugo
Corrielus Jean M.
Network Appliance Inc.
Swernofsky Law Group PC
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