DEC 4000 600 series, Owner'S Manual, Page: 208 / 242

Boot Problems
Boot Problems
Boot Problems This section describes how to troubleshoot problems that occur
while the system is booting operating system software.
Table 9–9 describes possible problems during booting and their
solutions.
Table 9–9 Diagnostic Flow for Boot Problems
Symptom Action Reference
System cannot find
boot device. Check the default boot device and
boot flag settings. Setting or Changing the Default
Boot Device (bootdef_dev) and
Setting Boot Flags (boot_osflags)
in Chapter 4
Check system configuration for
correct device parameters (drive ID,
device name, and so on) by entering
show device command.
Displaying System
Configuration , Changing Drive
ID Numbers, and Setting and
Examining Parameters for DSSI
Devices in Chapter 6
Device does not boot. Run the
test
command to check
that boot device is healthy.
The
test
command (test in
Chapter 3). If device is not
operating, call Digital Services.
Boot the system interactively or
using a diagnostic bootstrap. Setting Boot Flags (boot_osflags)
in Chapter 4.
9–12 Troubleshooting the System