[Pacemaker] Two resource nodes + one quorum node

[Michael Schwartzkopff]

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. Be sure to have fencing configured.

-- 
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München

Tel: (0163) 172 50 98
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