Turning the Power On
Follow the steps below to power on the Disk Array Unit.
Make sure to power on the application servers after the Disk Array Unit is successfully started.
・ Check the disk array controller and the disk enclosures are connected correctly.
・ Do not connect the power supply input cable to the disk array controller or power on the Disk Array Unit.
Power on the units
Connect the power supply input cable to the units, in the order of the disk enclosure and the disk array
controller, or power on the units at the same time or in the order of the disk enclosure and the disk
Check the LEDs
Do not operate the Disk Array Unit until the Power LED (green) located at the front of the Disk Array Unit
is lit and the Service LED (amber) goes off after cyclic flashing.
After checking the LEDs, power on the application servers.
For information on other power control systems, see the Users Guide.
3-4-1 Powering On the Disk Array Unit
• In the case of the maximum configuration, it takes approximately six to eight minutes to performing
initialization and the self test after power-on. During this period, the Service LED (amber) flashes
• If the Service LED (amber) does not go off and the Power LED (green) is not lit after10 minutes, the
Disk Array Unit may be failing. See Chapter 10, "Troubleshooting" .