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Model 9960 Array Frames
Array frames 1-4 of the 9960 contain up to 96 Hard Disk Drive Assemblies (HDDs)
and communication interfaces to the Control Frame. Array frames 5-6 contain up to 64
drives for a total of 512 drives for a maximum configured system. An Array Frame is shown
in Figure 5.
This design allows for efficient centralized and consolidated storage, which results in
reduced management costs and lower overall total cost of ownership.
The Lightning 9900
™
Series power subsystem consists of redundant power supplies in
both Control Frames and Array Frames. The power supplies are both hot pluggable and
hot swappable and are N+1 redundant. This means they can be removed or installed during
system operation and that if a power supply fails during operation, the failed power can be
dynamically removed without any loss to system operation. A Lightning 9900
™
Series
power supply module is shown in Figure 6.
Figure 5 – A 9960 Array
Frame with its major
components.
Hitachi Data Systems
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