Sun Microsystems SPARC Enterprise T1000, Руководство администратора

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Chapter 2 Managing RAS Features and System Firmware 33
The standard system reset protocol bypasses POST completely unless the virtual
keyswitch or ALOM CMT variables are set as follows:
Therefore, ASR is enabled by default. For instructions, see “Enabling and Disabling
Automatic System Recovery” on page 33 .
Automatic System Recovery User Commands
The ALOM CMT commands are available for obtaining ASR status information and
for manually unconfiguring or reconfiguring system devices. For more information,
see:
■
“Unconfiguring and Reconfiguring Devices” on page 35
■
“To Reconfigure a Device Manually” on page 36
■
“Obtaining Automatic System Recovery Information” on page 35
Enabling and Disabling Automatic System
Recovery
The automatic system recovery (ASR) feature is not activated until you enable it.
Enabling ASR requires changing configuration variables in ALOM CMT as well as
OpenBoot firmware.
TABLE 2-3
Virtual Keyswitch Setting for Reset Scenario
Keyswitch Value
virtual keyswitch
diag
TABLE 2-4
ALOM CMT Variable Settings for Reset Scenario
Variable Value Default
diag-mode normal
or
service normal
diag-level min
or
max max
diag-trigger power-on-reset error-reset power-on-reset