[Pacemaker] Two resource nodes + one quorum node

[Andrew Beekhof]

On 12/06/2013, at 4:48 AM, Michael Schwartzkopff <misch at clusterbau.com> wrote:

> Am Dienstag, 11. Juni 2013, 22:33:32 schrieb Andrey Groshev:
> > Hi,
> > I want to make Postgres cluster.
> > As far as I understand, for the proper functioning of the cluster must use a
> > quorum (ie, at least three nodes).
>  
> No. Two nodes are enough. See: no-quorum-policy="ignore".
>  
> > But if the databases are large - it is
> > too expensive.
> > One master, two slave, and in addition backup.
> > So I'm trying to make the schema with one master, one slave, and one node
> > only for a quorum.
>  
> One master and one slave should be enough.

But three nodes is better.

> Be sure to have fencing configured.
>  
> -- 
> Dr. Michael Schwartzkopff
> Guardinistr. 63
> 81375 München
>  
> Tel: (0163) 172 50 98
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