IBM DS8880 Thin Provisioning (Updated for Release 8.5)

Thin provisioning

This chapter introduces the concepts and terminology that are related to thin provisioning. It includes a brief overview of the IBM DS8880 thin provisioning implementation and the following topics:

•1.1, “Overview” on page 2

•1.2, “DS8880-specific implementations” on page 5

1.1 Overview

Thin provisioning is one way to help cut costs and reduce your storage footprint. Thin provisioning on volumes allows customers to create and use volumes where the sum of all virtual volume capacity might logically exceed the physical capacity ...