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Chapter 4: Subsystem Connection and Operation
The servers or iSCSI initiators should be the last devices that are turned
on. Please refer to the documentation that came with your application
servers to see their own power on procedures.
4.3.3 Power On Enclosure
To power on the subsystem, turn on the two power switches located on the rear panel of
the subsystem. (See Figure 4-3) Each switch controls a single PSU, therefore make sure
that both switches are turned on. There is no limitation on which PSU should be powered
on first.
Figure 4-3: 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.
4.3.4 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 LED should flash green.
Drive Tray LEDs – The drive status LEDs (that contain hard drives) should all
lights blue.
Firmware and RAIDWatch – The overall status of the system may be checked
using the embedded firmware utility or the RAIDWatch GUI screen.
Power On 4-7