Sun Microsystems Netra CT 410, Service Manual

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2-8 Netra CT Server Service Manual • February 2007
4. Press the system power button and release it to go through a graceful hardware
power-down.
This action starts the orderly power-down sequence in such a manner that no
persistent OS data structures are corrupted. Applications in service might be
terminated and no further services are invoked by the CPU. The system power LED
blinks for several seconds, then it goes off.
5. Verify that the green power ( ) LEDs on the power supplies are blinking,
indicating that the system is in the standby mode.
FIGURE 2-3
shows the system power LED location for the Netra CT 810 server, and
FIGURE 2-4
shows the system power LED location for the Netra CT 410 server.
6. If you want to completely power off the Netra CT server, push the purple power
supply unit locking mechanisms up into the unlocked ( ) position (
FIGURE 2-1
).
Note – You must unlock the locking mechanism on both power supply units on the
Netra CT 810 server in order to completely power off that server.
The green power ( ) LEDs on the power supply units should go off (unlit),
indicating that the system is now completely powered off.
2.3.2 To Perform a Software Power Down
1. In preparation for bringing down the operating system and powering down the
server, ensure that all significant application activity is stopped on the server.
2. Log in as superuser at the system console and enter:
When the server is finished shutting down, the
ok
prompt is displayed.
3. Connect to the console and boot up the server.
See Appendix B for instructions on connecting a terminal to your server, if necessary.
4. At the
ok
prompt, enter:
# cd /
# shutdown -i0 -g0 -y
ok power-off