Drive Chassis - HP XP P9500 Owner's Manual

the rack because it is the heavier of the two units. If a system has two SVPs, both SVPs are mounted
in controller chassis #0.
The following illustration shows the locations of the components in the controller chassis. The
controller chassis is described in more detail in
Figure 2 Controller chassis
Item
1
2
3
4
5
6
7
8

Drive chassis

The drive chassis (factory designation DKU) consists of SAS switches, slots for 2 1/2 inch HDD or
SSD drives, and four 4 fan door assemblies that can be easily opened to allow access to the drives.
Each drive chassis can hold 128 2 1/2 inch HDD or SSD drives. The maximum number of 2 1/2
inch drives in a P9500 system is 2048.
8 Introduction
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Description
AC/DC: Power Supply 2 or 4 per controller
Service Processor: One or two units in the #0 controller chassis
CHA
Grid switches
CHA (up to 7) and DKA (up to 4)
Service Processor: One or two units in the #0 controller chassis
Cache: 2 to 8 cache boards in pairs (2, 4, 6, 8)
P9500: 2 to 4 microprocessor boards
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"System components" (page 54).