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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 3. Logical configuration concepts and terminology 67
Repository for track space-efficient volumes (TSE)
The definition of track space-efficient (TSE) volumes begins at the extent pool level. TSE
volumes are defined from virtual space. The size of the TSE volume does not initially use
physical storage. However, any data written to a TSE volume must have enough physical
storage to contain this written data. This physical storage is provided by the repository.
The
repository is an object within an extent pool. It is similar to a volume within the extent
pool. The repository has a physical size and a virtual size. The physical size of the ...
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Publisher Resources

ISBN: 0738436836Purchase book