Chapter 2: Hardware Installation
BBU Installation
2-11
Figure 2-6: Closing the Front Flap
Step 5.
Lock the front flap into place
by turning the rotary bezel lock
using a small-size flathead screwdriver. Turn the bezel lock
until the groove on its face is pointing down (vertical
orientation). (See
Figure 2-7
)
Figure 2-7: Drive Tray Rotary Lock Rotation
Once drive trays are inserted and the subsystem is powered on, the
subsystem will recognize them and automatically bring them online during
the power-on procedure.
2.8 BBU
Installation
The BBU can sustain cache memory in the event of a power failure or in the
unlikely event of failing both PSUs. The BBUs come as standard equipment
to safeguard the transient data temporarily held in cache memory. (PN:
GAL-9273CBTE).
Read the BBU handling precautions listed below if the need arises for
handling BBUs and refer to
Chapter 5
for details on how to replace a BBU.
