110 Sun Fire V890 Server Owner’s Guide • September 2004
Auto-Boot Options
The auto-boot? OpenBoot configuration variable controls whether the operating
system boots after each reset. The default setting for Sun platforms is true.
Note – The system will not boot automatically when it is in service mode. For
details, see “Reset Scenarios” on page 112.
If a system fails power-on diagnostics, then auto-boot? is ignored and the system
does not start up unless an operator boots the system manually. This behavior
obviously provides limited system availability. Therefore, the Sun Fire V890
OpenBoot firmware provides a second OpenBoot configuration variable switch
called auto-boot-on-error?. This switch controls whether the system will
attempt to boot when a subsystem failure is detected.
Both the auto-boot? and auto-boot-on-error? switches must be set to true
(their default values) to enable an automatic boot following the firmware detection
of a non-fatal subsystem failure.
The system will not attempt to boot if it is in service mode, or following any fatal
non-recoverable error. For examples of fatal non-recoverable errors, see “Error
Handling Summary” on page 111.
ok setenv auto-boot? true
ok setenv auto-boot-on-error? true
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