Powering Off
This section explains how to turn off the ETERNUS AF.
To turn off the ETERNUS AF, perform one of the procedures below.
• Via the power switch
Press the Power switch to turn off the
ETERNUS AF.
• Via ETERNUS Web GUI or ETERNUS CLI
Use ETERNUS Web GUI or ETERNUS CLI to turn off the ETERNUS AF.
The following methods can be used to turn off the power by linking with the server.
• Via the power synchronized unit
Use the power synchronized unit to turn off the ETERNUS AF.
IMPORTANT
• When the ETERNUS AF is turned off, the power shuts off after the data in the cache memory is written to
the drives. As a result, it may take the following time for the power supply to be completely turned off.
Table 2 Time Required to Turn the Power Off
Model Deduplication/Compression function is disabled Deduplication/Compression function is enabled
ETERNUS AF150 S3 Approx. 8 minutes (max. 10 minutes) —
ETERNUS AF250 S3 Approx. 8 minutes (max. 10 minutes) Approx. 12 minutes (max. 14 minutes)
ETERNUS AF650 S3 Approx. 10 minutes (max. 15 minutes) Approx. 25 minutes (max. 30 minutes)
• Do not turn off the power of the ETERNUS AF and the network devices that connect the ETERNUS AF
to a
server while the server is operating. This may result in the loss of data or prevent data from being saved
in the ETERNUS AF.
• When using a power synchronized unit for power control, turn off the power of the ETERNUS AF via the
power synchronized unit. When a power synchronized unit is connected, the power of the ETERNUS AF is
automatically turned on because the power synchronization function is activated.
• If the REMOTE LED on the ETERNUS AF650 S3 is green, turn off the ETERNUS AF650 S3 by linking with
the server. Pressing the Power switch does not turn off the ETERNUS AF650 S3.
• To turn off the ETERNUS AF, use the Power switch, a power synchronized unit, ETERNUS Web GUI, or
ETERNUS CLI. If any other method is used to turn off the ETERNUS AF, 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.
This section explains how to use the Power switch and the power synchronization unit to turn off the ETERNUS
AF
.
For other procedures, refer to the related manuals.
1. Basic Operation
Powering On and Off
19 Operation Guide (Basic)
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