How to Power Off a Controller
1.
Place the power supply on/off switches to the "O" off position.
2.
Disconnect the power cords from the external power source for the cabinet.
Note - All power cords must be disconnected to completely remove power from the disk shelf.
How to Power Off a Controller
Use the following procedure to power off a controller.
1.
If you have not yet begun configuration, power off the controller by using a pen
or non-conducting pointed object to press and release the Power button on the
front panel.
If the controller does not power off, initiate an emergency shutdown by pressing and holding
the Power button for at least four seconds until the Power/OK status indicator on the front panel
flashes, indicating that the storage controller is in standby power mode. To completely remove
power, disconnect the AC power cords from the rear panel of the storage controller.
2.
If you have completed initial configuration, power off the controller using one of
the following methods:
■
Log in to the BUI and click the power icon on the left side of the masthead.
■
SSH into the appliance and issue the command maintenance system poweroff.
■
SSH or serial console into the service processor (SP) and issue the command stop /SYS.
■
Use a pen or non-conducting pointed object to press and release the Power button on the
front panel.
■
To initiate emergency shutdown during which all applications and files will be closed
abruptly without saving, press and hold the Power button for at least four seconds until the
Power/OK status indicator on the front panel flashes, indicating that the storage controller is
in standby power mode.
122 Oracle ZFS Storage Appliance Installation Guide • February 2016
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