In such case request the system to boot from an alternate boot device on next reboot can be used.
- Code: Select all
# ipmitool chassis bootdev none options=help
Legal options are:
help: print this message
valid: Boot flags valid
persistent: Changes are persistent for all future boots
efiboot: Extensible Firmware Interface Boot (EFI)
clear-cmos: CMOS clear
lockkbd: Lock Keyboard
screenblank: Screen Blank
lockoutreset: Lock out Resetbuttons
lockout_power: Lock out (power off/sleep request) via Power Button
verbose=default: Request quiet BIOS display
verbose=no: Request quiet BIOS display
verbose=yes: Request verbose BIOS display
force_pet: Force progress event traps
upw_bypass: User password bypass
lockout_sleep: Log Out Sleep Button
cons_redirect=default: Console redirection occurs per BIOS configuration setting
cons_redirect=skip: Suppress (skip) console redirection if enabled
cons_redirect=enable: Suppress (skip) console redirection if enabled
- Code: Select all
# ipmitool chassis bootparam set
bootparam get <param #>
...
Get or set various system boot option parameters.
get <param #>
Get boot parameter. Currently supported values for <param #> are:
0 - Set In Progress
1 - Service Partition Selector
2 - Service Partition Scan
3 - BMC Boot Flag Valid Bit Clearing
4 - Boot Info Acknowledge
5 - Boot Flags
6 - Boot Initiator Info
7 - Boot Initiator Mailbox
...
bootparam set bootflag <flag>
force_pxe : Force PXE boot
force_disk : Force boot from default Hard-drive
force_safe : Force boot from default Hard-drive, request Safe Mode
force_diag : Force boot from Diagnostic Partition
force_cdrom : Force boot from CD/DVD
force_bios : Force boot into BIOS Setup
Let`s set force_bios bootflag:
- Code: Select all
# ipmitool chassis bootparam set bootflag force_bios
Set Boot Device to force_bios
Having done this you may check boot parameter:
- Code: Select all
# ipmitool chassis bootparam get 5
Boot parameter version: 1
Boot parameter 5 is valid/unlocked
Boot parameter data: 8018000000
Boot Flags :
- Boot Flag Valid
- Options apply to only next boot
- BIOS PC Compatible (legacy) boot
- Boot Device Selector : Force Boot into BIOS Setup
- Console Redirection control : System Default
- BIOS verbosity : Console redirection occurs per BIOS configuration setting (default)
- BIOS Mux Control Override : BIOS uses recommended setting of the mux at the end of POST
Revert back our settings to boot from primary HDD:
- Code: Select all
# ipmitool chassis bootparam set bootflag force_disk
Set Boot Device to force_disk
And check it once again:
- Code: Select all
# ipmitool chassis bootparam get 5
Boot parameter version: 1
Boot parameter 5 is valid/unlocked
Boot parameter data: 8008000000
Boot Flags :
- Boot Flag Valid
- Options apply to only next boot
- BIOS PC Compatible (legacy) boot
- Boot Device Selector : Force Boot from default Hard-Drive
- Console Redirection control : System Default
- BIOS verbosity : Console redirection occurs per BIOS configuration setting (default)
- BIOS Mux Control Override : BIOS uses recommended setting of the mux at the end of POST
Aslo you can issue these commands from remote host using IPMI lanplus interface, for example:
- Code: Select all
ipmitool -I lanplus -H 10.10.10.10 -U ADMIN -P ADMIN chassis bootparam set bootflag force_bios
