PostgreSQL does not currently support replication. There are a couple
trigger based solutions that provide master-slave or peer-peer
operation, but these all provide Lazy syncronization.
The few integrated solutions only work in Master-Slave operation now.
The project that I am following is Postgres-R. It uses Ensamble or
Spread to provide group communication, and will eventually provide Peer
to Peer Eager sync. But currently they have only managed Master to Many
Slave Eager sync, though they don't seem to be too far away from Master
to Master.
http://gborg.postgresql.org/project/pgreplication/projdisplay.php
Page with links to other projects:
http://gborg.postgresql.org/genpage?replication_research
jbw
armin langhofer wrote:
hi
i'm trying to set up 2 redundant dbmail hosts. the main goal is, that
the first host retreives [smtp] and provides [pop3] all mails if the
second host went down and the other way round.
dbmail doesn't support mysql4; mysql3 doesn't support two master
databases afaik so i compiled dbmail with postgresql support. i know
that postgresql supports two master databases but i dont know how to
configure psql.
has anyone experiences with that?
any other ideas?
dbmail + postgres + postfix is currently working on both machines.
thanx, armin.
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