Hitachi 9900 V Series - Manual (Page 18)

PRELIMINARY RELEASE
6 Chapter 1 Overview of LUN Expansion and Virtual LVI/LUN
A normal volume consists of a certain number of fixed volumes, depending on the emulation
type, and some free space. A Virtual LVI/LUN volume usually consists of at least one fixed
volume (FV), customized volumes (CV or VLL volumes), and free space (see Figure 1.3).
FV
Space
FV
FV
CV
FV
FV
FV
Space
FV
FV
FV
FV
FV
Normal Configuration
Space
Sample Customized Volume Configuration
Figure 1.3 Volume Configuration