public inbox for [email protected]  

help / color / mirror / Atom feed

From: Laurenz Albe <[email protected]>
To: kasem adel <[email protected]>
To: [email protected]
Subject: Re: Advice Needed: Simultaneous Upgrade of Two-Node PostgreSQL 11 Cluster
Date: Mon, 06 Jan 2025 18:13:35 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAP-pBm9YJqrZQgrH1ZsFt9RbTsOTKH1niS5bEhhB_mSsT49B5Q@mail.gmail.com>
References: <CAP-pBm9YJqrZQgrH1ZsFt9RbTsOTKH1niS5bEhhB_mSsT49B5Q@mail.gmail.com>

On Sun, 2025-01-05 at 19:57 +0200, kasem adel wrote:
> Proposed Upgrade Approach:
> 
> Simultaneous Upgrade Process:
> 
> Install new PostgreSQL version packages on both nodes
> Run pg_upgrade with --check flag on both nodes
> Execute pg_upgrade with --link option on both nodes simultaneously
> Update Patroni configuration for new version on both nodes

No, that won't work.

You have to upgrade the primary, then rebuild the standby with
"patronictl reinit".  There is no safe way to upgrade the standby.

Yours,
Laurenz Albe

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected]
  Subject: Re: Advice Needed: Simultaneous Upgrade of Two-Node PostgreSQL 11 Cluster
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox