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| Sun Fire X4470 Server ### Service Manual

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## 2.6 Powering Off the Server

Many service procedures require you to completely power off the server. Use one of the methods described in the following table.

Table 2-1 Shutdown Procedures

Shutdown | Method
--- | ---
Graceful shutdown | Press and release the Power button on the front panel. Pressing the Power button causes Advanced Configuration and Power Interface (ACPI)-enabled operating systems to perform an orderly shutdown of the operating system. Servers not running ACPI-enabled operating systems will shut down to standby power mode immediately. When the main power is off, the Power/OK LED on the front panel flashes slowly, indicating that the server is in standby power mode. Note - The Power/OK LED might flash several times at 1 Hz to indicate that power-off is going to occur soon. Main power is still on during this 1-Hz flashing. To complete the power-off procedure, disconnect the AC power cords from the inlets on the power supplies on the back panel of the server.
Emergency shutdown | Press and hold the Power button for at least five seconds until the main power is off and the server enters standby power mode. When the main power is off, the Power/OK LED on the front panel flashes slowly, indicating that the server is in standby power mode.
| Caution - All applications and the operating system will be closed abruptly without saving changes. Data loss or corruption might occur.
To conplete the power-of procedure, disconnect the AC power cords from the inlets on the power supplies on the back panel of the server.
Oracle Integrated Lights Out Manager (ILOM) SP CLI shutdown | See Power Off the Server Using the Service Processor Command-Line Interface.

| Caution - To completely power off the server, you must disconnect the AC power cords from the AC inlets on the power supplies on the back panel of the server.

## Power Off the Server Using the Service Processor Command-Line Interface

You can use the Oracle ILOM service processor (SP) to perform a graceful shutdown of the server and ensure that all of your data is saved and the server is ready for restart. For additional information, refer to the Oracle Integrated Lights Out Manager (ILOM) 3.0 Documentation Collection.

1. Log in as root. Type:

   `ssh root@`service_processor_ip_address

   `Password`: root_password (The default password is `changeme`.)

   The Oracle ILOM command-line interface (CLI) prompt appears (`->`).

   Depending on the type of problem, you might want to view server status or log files, or run diagnostics before you shut down the server.

2. Power down the server. Type:

   `->` `stop /SYS` (for a Graceful shutdown as defined in Shutdown Procedures )

   `->` `stop -f /SYS` (for an Emergency Shut as defined in Shutdown Procedures )

3. Disconnect the AC power cords from the inlets on the power supplies on the back panel of the server.

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