IBM DS8900F Architecture and Implementation

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Virtualization concepts

This chapter describes virtualization concepts as they apply to the IBM DS8900.

This chapter covers the following topics:

•Virtualization definition

•Benefits of virtualization

•Abstraction layers for drive virtualization

•Extent pools

4.1 Virtualization definition

For the purposes of this chapter, virtualization is the abstraction of a physical drive to one or more logical volumes. This virtual drive is presented to hosts and systems as though it is a physical drive.

4.2 Benefits of virtualization

Virtualization in IBM ...

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