Sun Microsystems 440 manual Automatic System Recovery, Stop-F Functionality, Stop-D Functionality

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3. To reset the system, type the following command:

sc> reset

Are you sure you want to reset the system [y/n]? y sc> console

4.To view console output as the system boots with default OpenBoot configuration variables, switch to console mode.

sc> console

ok

5.Type set-defaultsto discard any customized IDPROM values and to restore the default settings for all OpenBoot configuration variables.

Stop-F Functionality

The Stop-F functionality is not available on systems with USB keyboards.

Stop-D Functionality

The Stop-D (Diags) key sequence is not supported on systems with USB keyboards. However, the Stop-D functionality can be closely emulated by turning the system control keyswitch to the Diagnostics position. For more information, refer to the Netra 440 Server Product Overview (817-3881-xx).

In addition, you can emulate Stop-D functionality using the ALOM system controller bootmode diag command. For more information, refer to the Advanced Lights Out Manager User’s Guide (817-5481-xx).

Automatic System Recovery

The system provides for automatic system recovery (ASR) from failures in memory modules or PCI cards.

Automatic system recovery functionality enables the system to resume operation after experiencing certain nonfatal hardware faults or failures. When ASR is enabled, the system’s firmware diagnostics automatically detect failed hardware components.

Chapter 2 Managing RAS Features and System Firmware 41

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Contents Netra 440 Server System Administration Guide Page Contents Managing RAS Features and System Firmware Managing Disk Volumes Iv Netra 440 Server System Administration Guide August Figures Vi Netra 440 Server System Administration Guide August Tables Viii Netra 440 Server System Administration Guide August How This Book Is Organized PrefaceShell Prompts Using Unix CommandsRelated Documentation Typographic ConventionsSun Welcomes Your Comments Accessing Sun DocumentationThird-Party Web Sites Contacting Sun Technical SupportCommunicating With the System Configuring the System Console1Ways of Communicating With the System What the System Console Does Using the System ConsoleSerial MGT NET MGT Alom serial management port Alom network management port 3Alternative Console Ports Require Additional Configuration Alternative System Console ConfigurationAccessing the System Console Through a Graphics Monitor About the sc Prompt Access Through Multiple Controller Sessions OpenBoot ok PromptReaching the sc Prompt Reaching the ok Prompt Graceful Shutdown Alom System Controller break or console CommandL1-A Stop-A Keys or Break Key Manual System Reset Externally Initiated Reset XIRGetting to the ok Prompt For More InformationTo Get to the ok Prompt 2Ways of Accessing the ok PromptConsole # Using the Serial Management Port Accessing the System ControllerTo Use the Serial Management Port Activating the Network Management PortEstablish an Alom system controller session To Activate the Network Management Port To verify the network settings, typeLog out of the Alom system controller session To Access The System Console Through a Terminal Server Accessing the System Console Through a Terminal Server3Pin Crossovers for Connecting to a Typical Terminal Server Open a terminal session on the connecting device, and type Power on the system Accessing the System Console Through a TIP ConnectionA shell tool window on the Sun system, type To Access the System Console Through the TIP ConnectionOk power-off Modifying the /etc/remote File If the number displayed by the uname -rcommand is less thanTo Modify the /etc/remote File Netra 440 Server System Administration Guide August Ok setenv input-device ttyb ok setenv output-device ttyb Look for the following output Verifying Serial Port Settings on TtybTo Verify the Serial Port Settings on Ttyb Open a shell tool window TypeFor more information, see Getting to the ok Prompt on To cause the changes to take effect, type Output-device Ttya Ttyb Screen Input-device Keyboard System Console OpenBoot Configuration Variable SettingsNetra 440 Server System Administration Guide August Managing RAS Features and System Firmware Logging In To the Alom System Controller Alom System ControllerTo Log In To the Alom System Controller About the scadm UtilitySc showenvironment To View Environmental InformationTo turn on the Locator LED, do one of the following Controlling the Locator LEDTo turn off the Locator LED, do one of the following OpenBoot Emergency Procedures Stop-A Functionality To Restore OpenBoot Configuration DefaultsStop-N Functionality Stop-D Functionality Automatic System RecoveryTo reset the system, type the following command Stop-F FunctionalityAuto-Boot Options Error Handling Summary To Enable Automatic System Recovery Reset ScenariosAutomatic System Recovery User Commands Enabling and Disabling Automatic System RecoveryTo cause the parameter changes to take effect, type To Disable Automatic System RecoveryTo cause the parameter change to take effect, type Obtaining Automatic System Recovery Information Unconfiguring and Reconfiguring DevicesTo Unconfigure a Device Manually To determine full physical device paths, type To Reconfigure a Device Manually Enabling the Hardware Watchdog Mechanism and Its Options To Enable the Hardware Watchdog MechanismMultipathing Software Disk Volumes Managing Disk VolumesVeritas Dynamic Multipathing Volume Management SoftwareSun StorEdge Traffic Manager Managing Disk Volumes Disk Concatenation RAID TechnologyRAID 1 Disk Mirroring RAID 0 Disk StripingRAID 5 Disk Striping With Parity Hardware Disk MirroringHot-Spares C1t3d0 Devices/pci@1f,700000/scsi@2/sd@3,0 To Create a Hardware Disk MirrorFor example To Delete a Hardware Disk Mirror To delete the volume, type the following command To Perform a Mirrored Disk Hot-Plug Operation To confirm a failed disk, type the following commandTo Perform a Non-Mirrored Disk Hot-SwapOperation CD-ROM View the status of the Scsi devices# cfgadm -x removedevice c0dsk/c1t1d0 Remove the hard drive from the device treeVerify that the device has been removed from the device tree Configure the new hard driveVerify that the new hard drive is in the device tree OpenBoot Configuration Variables Baudrate, bits Appendix a OpenBoot Configuration Variables Netra 440 Server System Administration Guide August Alarm Relay Output Application Programming Interface Netra 440 Server System Administration Guide August Page Netra 440 Server System Administration Guide August Page Netra 440 Server System Administration Guide August Index SymbolsNetra 440 Server System Administration Guide August Asr-disable, 46 go Console, 11, 41 console -f, 9 poweroff, 12 poweron Uadmin 11 uname, 25 uname -r Netra 440 Server System Administration Guide August