Sun Microsystems T6300 manual Interpreting System LEDs, 1LED Behavior and Meaning

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Interpreting System LEDs

The behavior of LEDs on your server conforms to the American National Standards Institute (ANSI) Status Indicator Standard (SIS). These standard LED behaviors are described in TABLE 2-1.

TABLE 2-1LED Behavior and Meaning

 

LED Behavior

Meaning

 

 

 

 

 

Off

The condition represented by the color is not true.

 

Steady on

The condition represented by the color is true.

 

Standby blink

The system is functioning at a minimal level and ready to resume

 

 

full function.

 

 

Slow blink

Transitory activity or new activity represented by the color is taking

 

 

place.

 

 

Fast blink

Attention is required.

 

Feedback flash

Activity is taking place commensurate with the flash rate (such as

 

 

disk drive activity).

 

 

 

The LEDs have assigned meanings, described in TABLE 2-2.

 

TABLE 2-2LED Behaviors With Assigned Meanings

 

 

 

 

Color

Behavior

Definition

Description

 

 

 

 

White

Off

Steady state

 

 

Fast blink

4 Hz repeating

This indicator helps you to locate a particular

 

 

sequence, equal

enclosure, board, or subsystem (for example, the

 

 

intervals on

Locator LED).

 

 

and off

 

Blue

Off

Steady state

 

 

Steady on

Steady state

If blue is on, a service action can be performed on the

 

 

 

applicable component with no adverse consequences

 

 

 

(for example, the OK to Remove LED).

Yellow or

Off

Steady state

 

Amber

 

 

 

 

Steady on

Steady state

This indicator signals the existance of a fault

 

 

 

condition. Service is required (for example, the Service

 

 

 

Required LED).

Green

Off

Steady state

 

 

 

 

 

20 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 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 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 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 CommandsAt the sc prompt, type Enabling and Disabling Automatic System RecoveryTo Enable Automatic System Recovery 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