4.1 Virtualization definition
In our fast changing world, where you have to react quickly to changing business conditions, your infrastructure must allow for
Our definition of virtualization is the abstraction process going from the physical disk drives to a logical volume that the hosts and servers see as if it were a physical disk.
4.2 The abstraction layers for disk virtualization
In this chapter, when we talk about virtualization, we are talking about the process of preparing a bunch of physical disk drives (DDMs) to be something that can be used from an operating system, which means we are talking about the creation of LUNs.
The DS6000 is populated with switched
Figure 4-1 on page 67 shows the physical layer on which virtualization is based.
66DS6000 Series: Concepts and Architecture