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From: Alexey Shishkin <alexey.shishkin@enterprisedb.com>
To: David G. Johnston <david.g.johnston@gmail.com>
Cc: pgsql-docs@lists.postgresql.org <pgsql-docs@lists.postgresql.org>
Subject: Re: clarification for pg_basebackup and major versions
Date: Mon, 19 Jan 2026 19:01:57 +0100
Message-ID: <CALVdoE7PbL_NRqc9R1M6Hnefe54FVow4s1DLd-j1BmjpBz=LiQ@mail.gmail.com> (raw)
In-Reply-To: <CAKFQuwa15OzTjrv5WE+K1BsHipHP1QSosSG=uQvgdq6SVW1JsQ@mail.gmail.com>
References: <176704110285.978869.17442362272602441829@wrigleys.postgresql.org>
	<CAKFQuwa15OzTjrv5WE+K1BsHipHP1QSosSG=uQvgdq6SVW1JsQ@mail.gmail.com>

Hi, Team !

Some more clarification about pg_basebackup which should be available in
the documentation:

- if pg_basebackup works between different versions of the same OS (ex.
RHEL8 and RHEL9)
- if pg_basebackup works between different types of OS Linux (ex. RHEL10
and Debian13) or OS Windows (ex. Windows 2016 and Windows 2019)
- if pg_basebackup works between different types of OS (ex. Ubuntu 24.04
and Windows 2022)
- if pg_basebackup works between different platforms (ex. Linux on amd64
and Linux on arm64)
- if pg_basebackup works between 32-bit OS and 64-bit OS


best regards,

Alexey Shishkin



[image: image.png]



*Alexey Shishkin*

Technical Account Manager

EDB Software GmbH

alexey.shishkin@enterprisedb.com



www.enterprisedb.com <https://enterprisedb.com/;




On Wed, Dec 31, 2025 at 2:34 PM David G. Johnston <
david.g.johnston@gmail.com> wrote:

>
>
> On Monday, December 29, 2025, PG Doc comments form <noreply@postgresql.org>
> wrote:
>
>>
>> - to clarify how pg_basebackup works with servers of the same or older
>> major
>> version
>
>
> There is no “how”, it just does.  The documentation is versioned and “it”
> means the binary produced by that version.
>
>
>> - to clearly specify pg_basebackup cannot be used for PostgreSQL major
>> version upgrade
>
>
> The page clearly states what a backup can be used for and upgrade is not
> listed.
>
> David J.
>
>


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  Subject: Re: clarification for pg_basebackup and major versions
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