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IBM DS8870 Copy Services for Open Systems by Bertrand Dufrasne, Sherri Brunson, Don Skilton, Warren Stanley, Alexander Warmuth, Mark Wells

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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) when ...

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