Diagnostic Flow For Problems Reported By The Console Program; Diagnostic Flow For Boot Problems - DEC 4000 AXP Service Manual

Table 1–4 Diagnostic Flow for Problems Reported by the Console Program
Symptom
Power-up screens are
displayed, but tests do
not complete.
Console program reports
error.
Table 1–5 Diagnostic Flow for Boot Problems
Symptom
System cannot find boot
device.
Device does not boot.
1–6 System Maintenance Strategy
Action
Use power-up display and/or OCP LEDs
to determine error.
Examine the console event log to check
for embedded error messages recorded
during power-up.
If power-up screens indicate problems
with mass storage devices, use the
troubleshooting flow charts to determine
the problems.
Run RBD tests to verify problem.
Use the show error command to
examine error information contained
in serial control bus EEPROMs.
Action
Check system configuration for correct
device parameters (node ID, device name,
and so on) and environment variables
(bootdef_dev, boot_file, boot_osflags).
Run device test to check that boot device
is operating.
Reference
Section 2.2 and
Section 2.1.2
Section 2.2.1
Section 2.2.2
Section 3.1
Section 3.1.4
Reference
Section 6.2.1,
Section 6.3, and
Section 6.4
Section 3.2