Chapter 1 Configuring the System Console 13
Although the go command will resume execution in most circumstances, in general,
each time you drop the system down to the ok prompt, you should expect to have to
reboot the system to get back to the operating system.
As a rule, before suspending the operating system, you should back up files, warn
users of the impending shutdown, and halt the system in an orderly manner.
However, it is not always possible to take such precautions, especially if the system
is malfunctioning.
For More Information
For more information about the OpenBoot firmware, refer to the OpenBoot 4.x
Command Reference Manual. An online version of the manual is included with the
OpenBoot Collection AnswerBook that ships with Solaris software.
Getting to the ok Prompt
This procedure provides several ways of reaching the ok prompt. The methods are
not equally desirable. For details about when to use each method, see “OpenBoot ok
Prompt” on page 9.
Caution – Dropping the Netra 440 server to the ok prompt suspends all application
and operating system software. After you issue firmware commands and run
firmware-based tests from the ok prompt, the system might not be able to resume
where it left off.
If at all possible, back up system data before starting this procedure. Also exit or
stop all applications and warn users of the impending loss of service. For
information about the appropriate backup and shutdown procedures, see Solaris
system administration documentation.