Data processing: database and file management or data structures – File or database maintenance – Database backup
Reexamination Certificate
2011-04-05
2011-04-05
Vo, Tim T. (Department: 2168)
Data processing: database and file management or data structures
File or database maintenance
Database backup
C707S622000, C707S625000, C707S682000
Reexamination Certificate
active
07921080
ABSTRACT:
A system and method for safe and effective backup and restore of parallel server databases stored in data storage systems. Parallel server databases allow multiple nodes in MPP (Massively Parallel Processor) or SMP (Symmetric Multi-Processor) systems to simultaneously access a database. Each node is running an instance (thread) which provides access to the database. The present invention allows for online or offline backup to be performed from any node in the system, with proper access to all control files and logs, both archived and online, whether the files are stored in raw partitions in the data storage system, or local on certain nodes. Two different types of external restore supported: complete external restore and partial external restore. In a complete external restore, all spaces will be restored to the most recent checkpoint that was generated while creating an external backup. If users lose only a portion of the data (which is more typically the case), a partial external restore may be performed.
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EMC Data Manger Product Description Guide, 1999, Chapter 4, EDM Symmetrix Connect and EDM Symmetrix Path, pp. 23-31.
EMC Corporation
Gortayo Dangelino N
Michaelis Brian
Seyfarth Shaw LLP
Vo Tim T.
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