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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
76 DS8800 Performance Monitoring and Tuning
Figure 3-6 DS8000 virtualization hierarchy
3.3 Data placement on ranks and extent pools
It is important to understand how the volume data is placed on ranks and extent pools. This
understanding helps you to decide how to create extent pools and choose the required
number of ranks within an extent pool. It also helps you to understand and detect
performance problems or optimally tweak overall system performance.
It can also help you fine-tune system performance from an extent pool perspective, for
example, sharing the resources of an extent pool evenly between application workloads or
isolating application ...
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Publisher Resources

ISBN: 0738436836Purchase book