Sun Microsystems Sun Fire V440 Diagnostics And Troubleshooting Manual page 221

O
OBDIAG, See OpenBoot Diagnostics tests
obdiag-trigger variable
setting, 14
use in troubleshooting hanging system, 161
ok prompt
risks in issuing commands from, 174
ways to access, 172, 176
OK-to-Remove LED
disk drive, 64
power supply, 63
OpenBoot commands
printenv, 21, 161
probe-ide, 22
probe-scsi and probe-scsi-all, 21
reset-all, 195
risks of, 174
show-devs, 23
show-post-results, 121
OpenBoot configuration variables
auto-boot?, 13
diag-level, 13
diag-script, 13
diag-switch?, 13
displaying with printenv, 21
enabling ASR, 110
input-device, 14
obdiag-trigger, 14
output-device, 14
post-trigger, 14
purpose of, 10, 13
system console settings, 196
table of, 13
OpenBoot Diagnostics messages, 136
OpenBoot Diagnostics tests
controlling, 16
described, 16
descriptions of (table), 47
error messages, interpreting, 20
hardware device paths in, 19
interactive menu, 17
purpose and coverage of, 16
running from the ok prompt, 19
test command, 19
test-all command, 19
triggering when to run, 14
OpenBoot firmware, 9, 53, 74, 95
OpenBoot PROM initialization, 135
operating environment software, suspending, 174
operating system panic, 15
output-device variable, 14
overtemperature condition, determining with
prtdiag, 28
P
panic, operating system, 15
parity
alphanumeric terminal setting, 189
verifying, 191
patch management
firmware, 107
software, 107
patches
determining with showrev, 31
installed, 31
PCI (Peripheral Component Interconnect) card,
frame buffer card, 192
physical view (Sun Management Center), 37
ping command (Solaris), use in troubleshooting
hanging system, 160
pkgadd utility, 102
pkginfo command (Solaris), 101
POST (power-on self-test)
boot messages, 134
controlling, 13
criteria for passing, 10
decoding terms from, 12
defined, 9
error messages, interpreting, 11
fault isolation beyond FRU level, 12
how to run, 65
limitations of message display, 14
master CPU and, 10
persistent problems and, 10
purpose of, 10
repair depot and, 12
triggering when to run, 14
post-trigger variable
setting, 14
use in troubleshooting hanging system, 161
Power OK LED (power supply), 64
power supply LEDs, isolating faults with, 63
203