Sun Microsystems SPARCserver 1000 Service Manual page 73

Monitoring System Start-up
C
After POST passes successfully, there is a display output to the
console. At this point, if a TTY terminal is available, you may boot up
in DIAG mode and use the Open Boot PROM. The system will
attempt to boot from a selected device specified in the boot path.
Does the unit
start a system
boot?
Observe status messages on the display. At completion of
power-up the system login prompt is displayed. login:
All system board LED patterns begin cycling, except boards
without SuperSPARC modules, where LEDs stay on.
Does the system
boot pass or fail?
Continue to monitor the system start-up and note the start
of system services. If any required system services do not
start, it may be necessary to recover the missing or
corrupted service from the installation or backup tape.
If this is not the problem, go to branch D.
No
Yes
Pass
Fail
Figure 3-9 Branch C: Monitoring the System Boot-up
Troubleshooting Flow Diagrams
Check the device connections.
Check the auto boot path.
Login and check out the root
directory. If OK, then continue
to branch E.
Refer to the system OS
installation manual.
3
E
D
3-9