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IBM System Storage DS8000 Copy Services for Open Systems by Mark Wells, Alexander Warmuth, Luiz Moreira, Flavio Gondim de Morais, Peter Klee, Jana Jamsek, Michael Frankenberg, Charles Burger, Thorsten Altmannsberger, Bertrand Dufrasne, Peter Cronauer

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Thin provisioning overview
This chapter describes the basic concept of thin provisioning and its implementation in the IBM System Storage DS8000 storage system. This chapter covers Extent Space-Efficient volumes and their space allocation and release handling.
This chapter covers the following topics:
35.1 Thin provisioning: Basic concept
Thin provisioning applies to shared storage environments. Thin provisioning allocates storage (blocks or other elements of storage capacity) ...

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