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Sun Microsystems T6300 manual Managing RAS Features and System Firmware

Models: T6300

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▼ To Access the System Console Through an Alphanumeric Terminal 8

Switching Between the ALOM System Controller and the System Console 9

ALOM sc> Prompt	10
Access Through Multiple Controller Sessions				11
Reaching the sc> Prompt		12
OpenBoot ok Prompt	12
Methods to Reach the ok Prompt 13
Graceful Shutdown		13
ALOM System Controller break or console Command 14
L1-A (Stop-A) Keys or Break Key 14
Manual System Reset		14
For More Information About OpenBoot Firmware 15
Obtaining the ok Prompt		15
▼ To Obtain the ok Prompt			16
System Console OpenBoot Configuration Variable Settings 17
2. Managing RAS Features and System Firmware				19
Interpreting System LEDs 20
Controlling the Locator LED			21

▼To Turn On the Locator LED From the ALOM System Controller Command Prompt 21

▼To Turn Off the Locator LED From the ALOM System Controller Command Prompt 21

▼To Display the State of the Locator LED From the ALOM System

Controller Command Prompt 22

Automatic System Recovery	22
AutoBoot Options 22
▼ To Enable an Automatic Degraded Boot 23
Error Handling Summary	23
Reset Scenarios 24

iv Sun Blade T6300 Server Module Administration Guide • April 2007

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Sun Microsystems T6300 manual Managing RAS Features and System Firmware

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 DocumentationThird-Party Web Sites Documentation, Support, and TrainingSun Welcomes Your Comments Configuring the System Console Communicating With the ServerWhat the System Console Does Using the System ConsoleWhat the Alom System Controller Console Does Accessing the System Controller Using the Serial PortAccessing the System Console Through a Terminal Server To Use the Serial PortActivating the Network Management Port Establish an Alom system controller sessionTo Access The System Console Through a Terminal Server Open a terminal session on the connecting device, and typeTo Access the System Console Through a TIP Connection Accessing the System Console Through a TIP ConnectionA shell tool window on the Sun system, type Modifying the /etc/remote File If the number displayed by the uname -rcommand is less thanTo 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 ShutdownManual System Reset Alom System Controller break or console CommandL1-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 OptionsTo Enable an Automatic Degraded Boot Error Handling SummarySet the switches by typing Reset Scenarios Automatic System Recovery User CommandsEnabling and Disabling Automatic System Recovery To Enable Automatic System RecoveryAt the sc prompt, type At the ok prompt, typeTo Disable Automatic System Recovery Obtaining Automatic System Recovery InformationTo Obtain ASR Information To Unconfigure a Device Manually Unconfiguring and Reconfiguring DevicesTo Reconfigure a Device Manually Displaying System Fault Information To Display System Fault InformationMultipathing Software For More Information on Multipathing SoftwareTo Store Information in Available FRU PROMs Storing FRU InformationAt 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