
Chapter 4: Subsystem Connection and Operation
Power On
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3. Power on the host computers.
The host computers should be the last devices that are turned on. Please refer to the
documentation that came with your host computers to see their own power on
procedures.
4.2.3 Power On Enclosure
To power on the subsystem, turn on the two power switches located on the rear of the
subsystem. (See Figure 4-4) Each switch controls a single PSU, therefore make sure that
both switches are turned on.
Figure 4-4: Galaxy Subsystem Power Switches
CAUTION!
Although the PSUs are redundant and a single PSU can provide sufficient power to
the subsystem, it is advisable to turn both of the power switches on. If only one PSU is
operating and fails, system operation will be terminated.
4.2.4 Power On Status Check
Once the subsystem has been powered on, the status of the entire subsystem should be
checked to ensure that everything is running smoothly and that there are no complications
or malfunctions.
Controller Module LEDs – The controller ready, FC Host Ports Active, and
SATA Device Ports Active LEDs should all flash green.
Drive Tray LEDs – The green LED for all the drive trays (that contain hard
drives) should light up, showing that there is power.
LCD Panel LEDs – The blue LED on the LCD panel should come on,
indicating that power is being supplied to the system.
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