Changing the Default Boot Device (bootdef_dev)
Command
Example Using
a Device List
You can set the
bootdef_dev
environment variable so that the
systems tries to boot from a list of devices, rather than from a
single device.
To set the
bootdef_dev
environment variable to a list of devices,
enter a command similar to the following, substituting your
system’s boot device names:
>>> set bootdef_dev dka100,esa0
Return
In this instance, the system would first try to boot from the drive
called dka100. If that drive was unavailable, or the boot failed,
the system would then try to boot from a remote device across an
Ethernet connection (esa0).
Changing the Default Diagnostic Startup Mode (diag_quick)
Description
The
diag_quick
environment variable determines the
TURBOchannel diagnostic test mode each time the system
is turned on.
Available
Settings
You can set the
diag_quick
environment variable to on or off:
• on to perform quick diagnostic tests of TURBOchannel
device(s)
• off to perform normal diagnostic tests of TURBOchannel
device(s)
Default Setting
The default setting for the
diag_quick
environment variable is
off, so that normal diagnostic tests for TURBOchannel devices
are performed at each system startup.
If
diag_quick
is set to on, some TURBOchannel devices may not
be tested. If it is set to off, all installed TURBOchannel options
will be tested when the system power up self tests (POST).
Changing Environment Variables 10–9
