SPARC Soalris OpenBoot PROM (OBP) Commands

SPARC Solaris OpenBoot PROM (OBP) Commands

APPLIES TO :  SPARC Solaris Servers

ISSUE :  NIL

GOAL : SPARC Solaris Useful OK Prompt or OBP commands

SOLUTION :  SPARC Solaris Useful OK Prompt or OBP commands

Prerequisites :  NIL

OK Prompt or OBP commands

  1. To show the disks
               OK> show-disks

  2. To search the scsi devices attached to the primary scsi controller
               OK> probe-scsi

  3. To search all the scsi devices
               OK> probe-scsi-all

  4. To list device alias names
               OK> devalias

  5. To temporarily create a device alias
               OK> devalias <alias> <path>

  6. To view the current NVRAM settings
               OK> printenv

  7. To set the envirement variables
               OK> setenv <env> <value>

  8. To set the open boot prompt settings to the factory default
               OK> set-defaults

  9. To set the device alias permanently to NVRAM
               OK> nvalias <alias> <path>

  10. To remove the nvalias 'cdrom1' from NVRAMRC
               OK> nvunalias cdrom1

  11. To find out the Open boot prompt version
               OK> .version

  12. To find out the ethernet MAC address
               OK> .ent_addr

  13. To find out the CPU and PCI bus speeds
               OK> .speed

  14. To display the Model, Architecture, processor, openboot version, ethernet address, hostid and etc
               OK> banner

  15. To reset variable values to the factory defaults
               OK> set-defaults

  16. To reboot the system from OK Prompt
               OK> reset-all

  17. To show the PCI devices
               OK> show-devs

  18. Boot the system from the default boot devices
               OK> boot

  19. To boot from cdrom
               OK> boot cdrom

  20. Boots the system from device as specified by the disk device alias
               OK> boot disk

  21. Boot from the full device mentioned
               OK> boot device-path

  22. Betwork boot .boots from a TFTP boot server or Jumpstart server
               OK> boot net

  23. Jumpstart boot.
               OK> boot net -install

  24. Tape boot.boots off a SCSI tape if available
               OK> boot tape

  25. Boot halted .boot into a halted state(ok prompt) interesting for troubleshooting boot at the lowest level
               OK> boot -h

  26. Reconfiguration boot.Boot and search for all attached device.useful when new device attached to the system
               OK> boot -r

  27. Single user.boots the system to run level 1
               OK> boot -s

  28. Verbose boot.show good debugging information.
               OK> boot -v

  29. To boot the server to failsafe mode
               OK> boot -F failsafe

Displaying System Information

  30. Display ID PROM contents
               OK> .idprom

  31. Display a list of processor-dependent trap types
               OK> .traps

  32. Display list of installed and probed devices
               OK> show-devs

  33. Eject the floppy
               OK> eject floppy

  34. Eject the cdrom
               OK> eject cdrom

  35. Call the operating system to write information to hard disk
               OK> sync

Emergency Keyboard Commands

  36. Bypass POST .(This command does not depend on security-mode)
               OK> Stop

  37. Abort.(This will also stop a running system. You can resume normal operations if you enter go at the prompt. Enter anything else and you will stay halted)
               OK> Stop-A

  38. Enter diagnostic mode(set diag-switch?to true) 
               OK> Stop-D

  39. Reset NVRAM contents to default values.
               OK> Stop-N




~Judi~