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AR3016G Installation and Hardware Reference Manual
1.1.2.4 Hard Drive Numbering
The front panel of the AR3016G enclosure houses sixteen (16) hard drives
in a 4x4 configuration as shown in Figure 1-4. When viewed from the front,
the drive bays (slots) are numbered 1 to 16 from top to bottom, from left to
right.
1.1.2.5 Rear Panel Overview
The rear section of the AR3016G subsystem is accessed through the rear
panel and is reserved for single RAID controller module, an optional BBU,
two (2) power supply units (PSUs), and two (2) cooling modules. A metal
sheet covers the lower section of controller model slot and BBU slot.
The rear panel of the AR3016G described in this manual is shown in Figure
1-5. A description of each rear panel component is given below:
The rear panel shown in Figure 1-5 accommodates the following
components:
•
•
•
1-4
Figure 1-4: Hard Drive Numbering
Figure 1-5: AR3016G Rear View
RAID controller module: A single controller module is installed in
the AR3016G. The controller module contains a RAID controller
board, interface board, DDR RAM DIMM module which provide
the system RAID functionalities. (See Section 1.2.3.)
BBU: An independent BBU sustain cache memory during a power
shortage to prevent data loss. (See Section 1.2.6.)
PSUs: The hot-swappable PSUs provide power to the subsystem.
A power switch is located on the left of each PSU to turn the
system on and off. (See Section 1.2.7.)
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