Servicing the ZS3-4 Controller
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Drive Backplane - The six-drive backplane includes the connectors for the drives, as well
as the interconnect for the I/O board, Power and Locator buttons, and system/component
status LEDs. Each drive has an LED indicator for Power/Activity, Fault, and Locate.
ZS3-4 Internal Components
The components of the ZS3-4 controller are shown in the following figure and identified in the
legend.
FIGURE 17
ZS3-4 Controller Components
Figure Legend Figure Legend
1 Motherboard 7 CPUs and heatsinks
2 Low-profile PCIe cards 8 Memory risers
3 Power supplies 9 Fan board
4 Power supply backplane 10 Fan modules
82 Oracle ZFS Storage Appliance Customer Service Manual • February 2016