Sun Microsystems Sun Fire V440 Diagnostics And Troubleshooting Manual page 219

diagnostic tools
informal, 2, 23
summary of (table), 2
tasks performed with, 5
diagnostics mode
how to put server in, 57
purpose of, 8
diag-script variable, 13
diag-switch? variable
setting, 13
use in troubleshooting hanging systems, 161
disk drive LEDs, isolating faults with, 64
dumpadm command (Solaris), 114
dumpadm -s command (Solaris), 116
DVD-ROM drive cable, isolating faults in, 33
DVD-ROM LED, isolating faults with, 64
E
error logging, 144
error messages
OpenBoot Diagnostics, interpreting, 20
POST, interpreting, 11
error states, system, 123
error-reset-recovery variable, setting for
troubleshooting, 109
exercising the system
with Hardware Diagnostic Suite, 42
with SunVTS, 40, 96
externally initiated reset (XIR)
accessing the ok prompt, 177
use in troubleshooting, 109
use in troubleshooting hanging system, 161, 173
F
Fatal Reset errors
responding to, 124
troubleshooting, 142
fault isolation
procedures for, 53
tools according to FRU (table), 32
using OpenBoot Diagnostics tests, 20, 67
using POST, 12, 65
using system LEDs, 62
field-replaceable unit, See FRU
firmware
See also OpenBoot firmware
corruption of, 15
system (drawing of), 9
firmware patch management, 107
FRU (field-replaceable unit)
boundaries between, 12
covered by different diagnostic tools (table), 32,
39
data stored in SEEPROM, 30
hardware revision level, 30
hierarchical list of, 29
manufacturer, 30
not isolated by fault isolating tools (table), 33
not isolated by system exercising tools (table), 40
part number, 30
POST and, 12
fsck command (Solaris), 174
G
go command (OpenBoot), 174
graceful system shutdown, 172, 177
H
H/W under test, See interpreting error messages
"hangs," system, 15
hardware device paths, 19, 23
Hardware Diagnostic Suite
about exercising the system with, 42
Sun Management Center add-on, 38
hardware revision, displaying with showrev, 31
hardware watchdog mechanism, use in
troubleshooting, 109
hardware, troubleshooting, 119
HP Openview, See third-party monitoring tools
I
2
I C device addresses (table), 49
IDE bus, 22
IEEE 1275-compatible built-in self-test, 16, 57, 61
201