From: | "Zwettler Markus (OIZ)" <Markus(dot)Zwettler(at)zuerich(dot)ch> |
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To: | "pgsql-admin(at)lists(dot)postgresql(dot)org" <pgsql-admin(at)lists(dot)postgresql(dot)org> |
Subject: | pgpool2 HA + split brain |
Date: | 2018-11-23 10:14:54 |
Message-ID: | 07b006680f7249b6a8fa437b9bc1121d@zuerich.ch |
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Lists: | pgsql-admin |
Hi all,
I am thinking about a HA solution using pgpool2 + postgresql streaming replication.
I am afraid of a split brain scenario (two active primary databases).
In my opinion a split brain scenario should never happen when
a) I configure the postgresql clusters (pg_hba.conf) to accept only user connections coming from the pgpool2 server
b) pgpool2 initiates the failover
Do you agree or did I miss something?
Thanks,
Markus
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