You can use Oracle Integrated Lights Out Manager (ILOM) to remotely the host power on or off.
Before You Begin
This procedure provides web and command-line interface (CLI) instructions for a server service processor (SP).
Log in to Oracle ILOM. For instructions on how to log in to Oracle ILOM, see Accessing Oracle ILOM.
Ensure that you have Admin (a) role privileges in Oracle ILOM.
Caution - Data loss. An immediate shutdown abruptly closes all applications and files without saving changes.
Caution - To completely power off the server, you must disconnect the power cords from the back panel of the server.
Reset: Reset the server without removing power.
Immediate Power-Off: Turn off system power immediately.
Graceful Shutdown and Power Off: Shut down the host gracefully and then power off the system.
Power On: Turn on full system power.
Power Cycle: Turn off power immediately, and then turn it back on.
reset /SYSTEM: Reset the host without removing power.
stop /SYSTEM: Shut down the host gracefully and then power off the system.
stop -f /SYSTEM: Turn off power immediately.
start /SYSTEM: Turn on full system power
Controlling Host Power, Oracle ILOM Configuration and Maintenance Guide for firmware version 3.1 or 3.2.