Specifications

1–1
1 Basic Storage Array Information
This chapter includes basic information about PS4000 storage arrays.
Array Front and Back Panels
The front of a PS4000 array is shown in Figure 1-1 and Figure 1-2.
Figure 1-1: PS4000 Front Panel (with Bezel)
Figure 1-2: PS4000 Front Panel (without Bezel)
The disk drives are accessible from the front, after you remove the bezel. See
Chapter 2 for detailed information about disk drives.
The components on the back of a PS4000 (with Type 8 control modules) are
shown in Figure 1-3 and described in Table 1-1.
Note: The figures in this manual show the Type 8 control modules. Unless
otherwise noted, the information in this manual applies to both the Type 8
and Type 9 control modules.