[Pacemaker] Fail over algorithm used by Pacemaker

Steven Dake sdake at redhat.com
Mon Oct 4 14:03:26 UTC 2010


On 10/03/2010 07:01 AM, hudan studiawan wrote:
> Hi,
>
> I want to start to contribute to Pacemaker project. I start to read
> Documentation and try some basic configurations. I have a question: what
> kind of algorithm used by Pacemaker to choose another node when a node
> die in a cluster? Is there any manual or documentation I can read?
>
> Thank you,
> Hudan
>
>

In the case of using Corosync, we use a protocol designed in the 90s to 
determine membership.  It is called The Totem Single Ring Protocol:

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.37.767&rep=rep1&type=pdf

Its full operation is described in that PDF.

Regards
-steve

>
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