[Pacemaker] Howto write a STONITH agent

[Holger Teutsch]

On Fri, 2011-01-14 at 17:10 +0100, Christoph Herrmann wrote:
> -----Ursprüngliche Nachricht-----
> Von: Dejan Muhamedagic <dejanmm at fastmail.fm>
> Gesendet: Fr 14.01.2011 12:31
> An: The Pacemaker cluster resource manager <pacemaker at oss.clusterlabs.org>; 
> Betreff: Re: [Pacemaker] Howto write a STONITH agent
> 
> > Hi,
> > 
> > On Thu, Jan 13, 2011 at 09:09:38PM +0100, Christoph Herrmann wrote:
> > > Hi,
> > > 
> > > I have some brand new HP Blades with ILO Boards (iLO 2 Standard Blade Edition 
> > 1.81 ...)
> > > But I'm not able to connect with them via the external/riloe agent.
> > > When i try:
> > > 
> > > stonith -t external/riloe -p "hostlist=node1 ilo_hostname=ilo1  
> > ilo_user=ilouser ilo_password=ilopass ilo_can_reset=1 ilo_protocol=2.0 
> > ilo_powerdown_method=power" -S
> > 
> > Try this:
> > 
> > stonith -t external/riloe hostlist=node1 ilo_hostname=ilo1  ilo_user=ilouser 
> > ilo_password=ilopass ilo_can_reset=1 ilo_protocol=2.0 
> > ilo_powerdown_method=power -S
> 
> thats much better (looks like PEBKAC ;-), thanks! But it is not reliable. I've tested it about 10 times
> and 5 times it hangs.  That's not what I want.
I had the same experience. Ilo is _extremely_ slow and unreliable.

Go for external/ipmi.

That works very fast and reliable. It is available with ILO 2.x
firmware.

- holger