Sun Microsystems enterprise server 220r User Manual
Chapter 7
Diagnostics and Troubleshooting
131
How to Set the Diagnostic Level for
POST and OBDiag
POST and OBDiag
Before You Begin
Three different levels of diagnostic testing are available for power-on self-test
(POST) and OpenBoot Diagnostics (OBDiag):
(POST) and OpenBoot Diagnostics (OBDiag):
max
(maximum level),
min
(minimum
level), and
off
(no testing). The system runs the appropriate level of diagnostics
based on the setting of the OpenBoot PROM (OBP) variable called
diag-level
.
The default setting for
diag-level
is
min
.
If your server is set up without a local console or terminal, you’ll need to set up a
monitor, console, or terminal before setting the diagnostic level. See “AboutCommunicating With the Server” on page 28.
monitor, console, or terminal before setting the diagnostic level. See “AboutCommunicating With the Server” on page 28.
What to Do
Note –
Perform this procedure with the power on and the keyswitch set to the
Power-On/Off position.
1. With the keyswitch in the Power-On/Off position, press the Break key on your
alphanumeric terminal’s keyboard, or type the Stop-a sequence on a Sun
keyboard.
keyboard.
To enter the Stop-a sequence, press the Stop key and the a key simultaneously.
The
The
ok
prompt is displayed.
2. To set the
diag-level
variable, type the following:
The value can be
off
,
min
, or
max
. See “OBDiag Configuration Variable Settings” on
page 128 for information about each setting.
ok setenv diag-level
value