IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance Guidelines

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Volumes

This chapter explains how to create, manage, and migrate volumes (formerly volume disks) across I/O groups. It also explains how to use IBM FlashCopy.

This chapter includes the following sections:

•Overview of volumes

•Volume mirroring

•Creating volumes

•Volume migration

•Preferred paths to a volume

•Non-Disruptive volume move (NDVM)

•Cache mode and cache-disabled volumes

•Effect of a load on storage controllers

•Setting up FlashCopy services

6.1 Overview of volumes

Three types of volumes are possible: striped, ...

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