Fujitsu ETERNUS DX60 S3 Operation Manual page 40

2. Basic Operation
Powering On and Off
When the ETERNUS DX is turned off, the power shuts off after the write data in the cache memory is written
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back to the drives. As a result, it may take approximately five minutes or up to 10 minutes maximum for
the power supply to be completely turned off.
Do not turn off the power of the ETERNUS DX and the network devices that connect the ETERNUS DX to a
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server while the server is operating. This may result in the loss of data or prevent data from being saved in
the ETERNUS DX.
When using a power synchronized unit for power control, turn off the power of the ETERNUS DX via the pow-
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er synchronized unit. When a power synchronized unit is connected, the power of the ETERNUS DX is auto-
matically turned on because the power synchronization function is activated.
To turn off the ETERNUS DX60 S4, use the Power switch, a power synchronized unit, ETERNUS Web GUI, or
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ETERNUS CLI. If any other method is used to turn off the ETERNUS DX, the replacement cycle for the battery
is shortened significantly because the battery continues to charge and discharge.
After power-off, wait for about one minute before turning power on again.
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This section explains how to use the Power switch to turn off the ETERNUS DX.
For other procedures, refer to the related manuals.
1
Press and hold the Power switch of the controller enclosure for four seconds or more.
Power switch
The READY LED is turned off.
Press the Power switch only once. If the Power switch is pressed again between the time of the READY
LED turning off and the POWER LED turning off, the ETERNUS DX power may turn on.
2
The power of the ETERNUS DX is disconnected.
When the power is disconnected, the POWER LED is turned off.
FUJITSU Storage ETERNUS DX60 S4, ETERNUS DX60 S3 Hybrid Storage Systems Operation Guide (Basic)
40
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