Changing The Default Boot Device (Bootdef_Dev) - Digital Equipment DEC 3000 500X AXP Owner's Manual

Changing the Default Boot Device (bootdef_dev)

Description The
boot device, or devices, from which the system attempts to boot.
The system boots from the default boot device each time it is
turned on (if
the user enters the
Available You can set the
Settings appropriate device or devices on your system.
Boot Device You can specify the boot device name in two ways, using either
Naming an OpenVMS- or a DEC OSF/1-style device name. Table 9–3
Conventions provides a list of the device naming conventions, which can be
used for the boot command in either operating system. For a
description of the boot device name elements, see Chapter 8.
Table 9–3 Device Naming Conventions
OpenVMS AXP
DK
MK
ES
N/A
Default Setting The default setting for the
set at the factory to boot from the internal fixed disk drive that
has been loaded with factory-installed software.
Changing the Default Boot Device (bootdef_dev)
environment variable determines the default
bootdef_dev
is set to boot or restart), or each time
auto_action
command.
boot
bootdef_dev
Device Naming Conventions
DEC OSF/1 AXP
RZ
TZ
ES
EZ
bootdef_dev
environment variable to any
Device Type
Fixed or removable disk
Tape
Ethernet, MOP protocol
Ethernet, BOOTP
protocol
environment variable is
Changing Environment Variables 9–7