System Cannot Boot - Sun Microsystems Enterprise 6500 Reference Manual

10.2

System Cannot Boot

Begin INDICATION

System cannot boot

or cannot load UNIX
System boots with errors
or runs with
intermittent problems
End
FIGURE 10-2
TEST/PROCEDURE
Check LEDs on front panel
or clock+ board.
Are CPU/Memory+ board LEDs
cycling?
Is boot disk running?
Is OpenBoot set to boot
automatically?
In OpenBoot, examine system
status:
— Connect a terminal to serial
port A on the clock+ board
— Reset the system
— Type v s
— Select system configuration:
option 0
— Select: option 2
— Replace indicated
components
Check message files.
Run SunVTS to test suspected
boards, CPUs, SIMMs, power
supplies, other devices.
Start prtdiag log file to collect
error messages.
"Lost carrier" or "no carrier."
Diagnosing Operating System Problems
REFERENCE
See
See
Refer to SunVTS User's
See Section 9.3.3.2 "Running
See Section 9.4.1 "Failure of
Chapter 10 Flow Diagrams for Troubleshooting
.
TABLE 9-1
.
TABLE 9-2
Guide.
prtdiag."
Network
Communications."
10-3