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DS8800 Performance Monitoring and Tuning
book

DS8800 Performance Monitoring and Tuning

by Gero Schmidt, Bertrand Dufrasne, Jana Jamsek, Peter Kimmel, Hiroaki Matsuno, Flavio Morais, Lindsay Oxenham, Antonio Rainero, Denis Senin
July 2012
Intermediate to advanced content levelIntermediate to advanced
726 pages
26h 28m
English
IBM Redbooks
Content preview from DS8800 Performance Monitoring and Tuning
Chapter 17. Database performance 563
DB2 uses these recovery datasets:
򐂰 Bootstrap dataset
DB2 uses the bootstrap dataset (BSDS) to manage recovery and other DB2 subsystem
information. The BSDS contains information needed to restart and to recover DB2 from
any abnormal circumstance. For example, all log datasets are automatically recorded with
the BSDS. While DB2 is active, the BSDS is open and updated.
DB2 always requires two copies of the BSDS, because they are critical for data integrity.
For availability reasons, the two BSDS datasets must be put on separate servers on the
DS8000 or in separate logical control units (LCUs).
򐂰 Active logs
The active log datasets are used for data recovery and to ensure data integrity in software
or hardware ...
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Publisher Resources

ISBN: 0738436836Purchase book