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Chapter 4. Storage pools
This chapter describes how the IBM Storwize V5000 Gen2 manages physical storage
resources. All storage resources that are under IBM Storwize V5000 Gen2 control are
managed by using
storage pools. Storage pools facilitates to dynamically allocate resources,
maximize productivity and reduce costs. Internal and external managed disks (MDisks),
advanced internal storage, and storage pool management are covered in this chapter.
External storage controllers are covered in Chapter 11, “External storage virtualization” on
page 641.
Storage pools can be configured through the Initial Setup wizard when the system is first
installed, as described in Chapter 2, “Initial configuration” on page 35. They can also be
configured after the initial setup through the management GUI, which provides a set of
presets to help you configuring different Redundant Array of Independent Disks (RAID) types.
The recommended configuration presets configure all drives into RAID arrays based on drive
class and protect them with the correct number of spare drives. Alternatively, you can
configure the storage to your own requirements. Selections include the drive class, the
number of drives to configure, whether to configure spare drives and optimization for
performance or capacity.
Specifically, this chapter provides information about the following topics:
Working with internal drives
Working with storage pools
Working with managed disks
Working with external storage controllers
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