Boot Problems - DEC AlphaServer 1000A Owner's Manual

Boot Problems

Table 8-5 describes how to troubleshoot problems that occur while the system is
booting operating system software.
Table 8-5 Troubleshooting Boot Problems
Symptom
The system cannot find the boot device. Verify that your system recognizes the boot device,
System does not boot.
AlphaServer 1000A Owner's Guide
Action
using the show device command.
Check that the boot device environment variable
correctly identifies the boot device:
Digital UNIX and OpenVMS Alpha: use the show
bootdef_dev command to display the boot device.
Windows NT: Select the ARC console menu options
"Display Hardware Configuration" and "Set Default
Environment Variables."
Check system configuration for the correct environment
variable settings:
For Digital UNIX and OpenVMS, examine the
auto_action, bootdef_dev, boot_osflags, and os_type
environment variables. Make sure that the bus probe
algorithm environment variable is set to "new."
For problems booting over a network, check the ew*0
protocols or er*0 protocols environment variable
settings: Systems booting from a Digital UNIX server
should be set to bootp; systems booting from an Open
VMS server should be set to mop.
For Windows NT, examine the
and
AUTOLOAD, COUNTDOWN
Check that the Halt switch is set to the "off" position.
Verify that you have not installed an unsupported
graphics module or another type of unsupported
adapter.
For problems booting over a network, check the
ew*0_protocols or er*0_protocols environment variable
settings: Systems booting from a Digital UNIX server
should be set to bootp; systems booting from an
OpenVMS Alpha server should be set to mop.
Run the test command to check that the boot device
is operating. See the table in the section, "Console
Problems."
FWSEARCHPATH,
environment variables.
Troubleshooting 8-9