Re: pg_basebackup --incremental

Thanks, Ron! We'll take another look at pgBackRest.

On Tue, Oct 28, 2025 at 10:52 AM Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
wrote:

> On Tue, Oct 28, 2025 at 1: 43 PM Sam Stearns <sam. stearns@ dat. com>
> wrote: Howdy, We're running version 17. 6. Would anyone be able to point me
> to, or provide, some sample use cases / scripts / usage to deploy a
> pg_basebackup full + --incremental
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> On Tue, Oct 28, 2025 at 1:43 PM Sam Stearns <sam(dot)stearns(at)dat(dot)com> wrote:
>
>> Howdy,
>>
>> We're running version 17.6. Would anyone be able to point me to, or
>> provide, some sample use cases / scripts / usage to deploy a pg_basebackup
>> full + --incremental strategy as a backup solution, please?
>>
>
> The question confuses me a bit (though maybe because weekly "full", and
> remainder "incremental" is pretty standard). PgBackRest really is quite
> simple and easy to configure if you back up to a local mount point (even
> when that mount point is NFS).
>
> This is in the "postgres" crontab:
> 15 01 * * Sun Type=full; pgbackrest backup --stanza=nfs --type=$Type &>
> logs/pgbackrest_$(date +"\%F_\%T")_${Type}.log
> 15 01 * * 1-6 Type=incr; pgbackrest backup --stanza=nfs --type=$Type &>
> logs/pgbackrest_$(date +"\%F_\%T")_${Type}.log
>
> And this is my /etc/pgbackrest.conf:
> [global]
> repo1-path=/Database/backups/pgbackrest
> repo1-cipher-type=aes-256-cbc
> repo1-cipher-pass=<redacted>
> repo1-bundle=y
> repo1-bundle-limit=20MiB
> repo1-bundle-size=200MiB
> [nfs]
> pg1-path=/Database/17/data
> resume=n
> start-fast=y
> stop-auto=y
> compress-type=zst
> log-level-console=detail
> log-level-file=info
> log-path=/var/lib/pgsql/logs/pgbackrest
> retention-full=4
> process-max=<nproc * 3/4>
> [nfs:archive-push]
> compress-type=zst
>
> --
> Death to <Redacted>, and butter sauce.
> Don't boil me, I'm still alive.
> <Redacted> lobster!
>

--

Samuel Stearns
Team Lead - Database
c: 971 762 6879 | o: 971 762 6879 | DAT.com

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