[Pacemaker] IPMI Stonith

Adrian Chapela achapela.rexistros at gmail.com
Tue Jan 20 11:21:39 EST 2009

Andreas Mock escribió:
>> -----Ursprüngliche Nachricht-----
>> Von: "Dejan Muhamedagic" <dejanmm at fastmail.fm>
>> Gesendet: 20.01.09 16:47:04
>> An: The Pacemaker cluster resource manager <pacemaker at oss.clusterlabs.org>
>> Betreff: Re: [Pacemaker] IPMI Stonith
>>> Ok, but what about a kernel panic ? when the OS hungs up the other node 
>>> can't know what is happening on the node that is hunged up. I am 
>>> thinking on this situation.
>> The state of host OS doesn't influence the ipmi (lights-out)
>> device. As long as the node has power and the network connection
>> to the ipmi device works, you should be ok.
> Hi all,
> that is a interesting question as I saw once an IPMI device driver for the OS.
> That meant that you could control the functionality of the IMPI device from 
> the OS. In this case you could get trouble if the OS is "out of order".
> So, how is the IMPI functionality accessed?
It is accessed over lan, you need a server with "IPMI over LAN" like 
Integrated Lights-Out from HP, most known as iLo ( 
http://h18013.www1.hp.com/products/servers/management/ilo/ ). iLo has a 
network port that you can use to control a server remotely.

I think a good way (if the server are near...) could be use a cross-over 
ethernet wire.
> Best regards
> Andreas Mock
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