Sun Microsystems T6300 manual To Obtain the ok Prompt, 2Ways of Accessing the ok Prompt

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Caution – Forcing the 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.

To Obtain the ok Prompt

1.Decide which method you need to use to reach the ok prompt. See “OpenBoot ok Prompt” on page 12 for details.

2.Follow the appropriate instructions in TABLE 1-2.

TABLE 1-2Ways of Accessing the ok Prompt

Access Method

What to Do

 

 

Graceful shutdown of

• From a shell or command tool window, issue an appropriate

the Solaris OS

command (for example, the shutdown or init command) as

 

described in Solaris system administration documentation.

 

 

L1-A (Stop-A) keys or

Break key

From a Sun keyboard connected to the dongle cable, press the Stop and A keys simultaneously.*

From an alphanumeric terminal configured to access the system console, press the Break key.

ALOM system

1.

From the sc> prompt, type the break command. The break

controller break and

 

command should put the system in a state in which the

console commands

 

operating system software is not running and the server is

 

 

under OpenBoot firmware control.

 

2.

Issue the console command.

 

 

 

Manual system reset

From the sc> prompt, type the reset command.

 

 

 

*Requires the OpenBoot configuration variable input-device=keyboard. For more information, see “System Console OpenBoot Configuration Variable Settings” on page 17.

16 Sun Blade T6300 Server Module Administration Guide • April 2007

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Contents Sun Blade T6300 Server Module Administration Guide Please Recycle Contents Managing RAS Features and System Firmware OpenBoot Configuration Variables Vi Sun Blade T6300 Server Module Administration Guide April Figures Page Tables Sun Blade T6300 Server Module Administration Guide April Preface How This Book Is OrganizedUsing Unix Commands Shell PromptsTypographic Conventions Related DocumentationDocumentation, Support, and Training Third-Party Web SitesSun Welcomes Your Comments Configuring the System Console Communicating With the ServerUsing the System Console What the System Console DoesWhat the Alom System Controller Console Does Accessing the System Controller Using the Serial PortActivating the Network Management Port Accessing the System Console Through a Terminal ServerTo Use the Serial Port Establish an Alom system controller sessionTo Access The System Console Through a Terminal Server Open a terminal session on the connecting device, and typeAccessing the System Console Through a TIP Connection To Access the System Console Through a TIP ConnectionA shell tool window on the Sun system, type If the number displayed by the uname -rcommand is less than Modifying the /etc/remote FileTo Modify the /etc/remote File Sun Blade T6300 Server Module Administration Guide April Network management or Serial management port Alom sc Prompt Access Through Multiple Controller Sessions OpenBoot ok Prompt Reaching the sc PromptMethods to Reach the ok Prompt Graceful ShutdownAlom System Controller break or console Command Manual System ResetL1-A Stop-A Keys or Break Key For More Information About OpenBoot Firmware Obtaining the ok Prompt2Ways of Accessing the ok Prompt To Obtain the ok PromptSystem Console OpenBoot Configuration Variable Settings Sun Blade T6300 Server Module Administration Guide April Managing RAS Features and System Firmware Interpreting System LEDs 1LED Behavior and MeaningControlling the Locator LED TypeAutomatic System Recovery AutoBoot OptionsError Handling Summary To Enable an Automatic Degraded BootSet the switches by typing Reset Scenarios Automatic System Recovery User CommandsAt the sc prompt, type Enabling and Disabling Automatic System RecoveryTo Enable Automatic System Recovery At the ok prompt, typeObtaining Automatic System Recovery Information To Disable Automatic System RecoveryTo Obtain ASR Information Unconfiguring and Reconfiguring Devices To Unconfigure a Device ManuallyTo Reconfigure a Device Manually Displaying System Fault Information To Display System Fault InformationMultipathing Software For More Information on Multipathing SoftwareStoring FRU Information To Store Information in Available FRU PROMsAt the sc prompt type OpenBoot Configuration Variables Variable-name Appendix a OpenBoot Configuration Variables Sun Blade T6300 Server Module Administration Guide April Symbols IndexProbe-ide, 14 probe-scsi, 14 probe-scsi-all, 14 showenv Setlocator sc command Sun Blade T6300 Server Module Administration Guide April