OpenIPMI, IPMI_POWERCYLCE option behaviour

Matt Domsch Matt_Domsch at dell.com
Wed Dec 6 08:12:36 CST 2006


On Wed, Dec 06, 2006 at 12:02:20PM +0100, Nicky Peeters wrote:
> Hello all,
> 
> Just a quick question about the IPMI_POWERCYCLE option when using the  
> OpenIPMI tools and drivers (using rhel4).
> I've looked around but got a bit confused as what this exactly does  
> by the config file:
> 
> ## Path:        Hardware/IPMI
> ## Description: Enable IPMI_POWERCYCLE if you want the system to be  
> power-cycled on reboot
> ## Type:        yesno
> ## Default:     "no"
> ## Config:      ipmi
> # Enable IPMI_POWERCYCLE if you want the system to be power-cycled  
> (power
> # down, delay briefly, power on) rather than power off, on systems
> # that support such.  IPMI_POWEROFF=yes is also required.
> IPMI_POWERCYCLE=yes
> 
> So my question:
> 
> Does enabling this option:
> 
> 1) force the IPMI controller to also power cycle the system after you  
> issue a reboot command (shutdown -r now) so a faulty shutdown/reboot  
> procedure in Linux won't leave your machine in limbo.

yes.

 
> 2) always force a power cycle, even when using a 'shutdown -h now'  
> command, so your server always reboots. So in essence, future reboots  
> should be done with the shutdown -h now command (seems odd ;-)

yes.

-- 
Matt Domsch
Software Architect
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com



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