Message-ID: <cff94aa50765b00e798d15a5419830c82f8049ec.camel@cybertec.at>
Subject: Re: [External] Re: WAL Replication query
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Ron <ronljohnsonjr@gmail.com>, pgsql-admin@lists.postgresql.org
Date: Tue, 01 Nov 2022 14:56:30 +0100
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On Tue, 2022-11-01 at 08:49 -0500, Ron wrote:
> Primary has crashed, according to OP; it's not coming back any time soon.  And thus you promote
> Secondary to be New Primary, and go about  your work.  When the Old Primary comes back up
> (hours or days later), you do a pg_basebackup to make it the New Secondary.

There was no word about failover or "not coming back any time soon" (that's why I asked for
clarification in my answer).  In fact, PostgreSQL will often undergo crash recovery and come
back up automatically.  See the parameter "restart_after_crash", which defaults to "on".

Yours,
Laurenz Albe