DEC 3000 800, Owner'S Manual

Page: 166 / 318

Changing the Default Boot Device (bootdef_dev)
Command
Syntax
To set the
bootdef_dev
environment variable, enter the following
command:
>>> set
bootdef_dev
device
Return
Enter the device from which you want your system to boot. If
you do not know which devices your system contains, enter the
show device command as the next section explains.
Listing
Available
Devices To see a list of devices installed in your system, issue the
show
device
command at the console prompt and press the Return
key. The system responds with a display similar to the one
shown in Figure 10–1.
Figure 10–1 The show device Display
>>> show device
Return
BOOTDEV ADDR DEVTYPE NUMBYTES RM/FX WP DEVNAM REV
------- ---- ------- -------- ----- -- ------ ---
ESA0 08-00-2B-12-00-9C
DKA0 A/0/0 DISK 1.05GB FX RZ26 T368
DKA100 A/1/0 DISK 426.25MB FX RZ25 0700
DKA200 A/2/0 DISK 426.25MB FX RZ25 0700
DKA300 A/3/0 DISK 426.25MB FX RZ25 0700
DKA400 A/4/0 RODISK ..... RM WP RRD42 4.3d
..HostID.. A/7 INITR
..HostID.. B/7 INITR
Understanding
the show
device Display The
show device
command displays several columns of
information. The sample
show device
display indicates that
there is one RZ26 device with device name DKA0, three RZ25
devices with device names DKA100, DKA200, and DKA300, and
one RRD42 device with device name DKA400 installed in the
system. For a complete description of the
show device
command,
see Chapter 14.
10–8 Changing Environment Variables