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From: Kouber Saparev <kouber@gmail.com>
Date: Tue, 24 Jun 2025 18:38:59 +0300
Message-ID: <CAN4RuQuWmhH3nSq+Lenz3hQqXmGyi=vnYkWDK3+-hA4r1KJ=kA@mail.gmail.com>
Subject: Re: pg_combinebackup failure
To: Adrian Klaver <adrian.klaver@aklaver.com>
Cc: pgsql-general@postgresql.org
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Barman is involved indeed, its version is 3.14. The command: "barman backup
xxx --incremental latest".

PostgreSQL is version 17.3.

=D0=9D=D0=B0 =D0=B2=D1=82, 24.06.2025=E2=80=AF=D0=B3. =D0=B2 18:26 Adrian K=
laver <adrian.klaver@aklaver.com>
=D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0:

> On 6/24/25 02:31, Kouber Saparev wrote:
> > Hello,
> >
> > We are trying to use pg_combinebackup but eventually it fails with:
>
> What is the command you are using to take the incremental backups?
>
> What version of Postgres are you taking the incremental backups from?
>
> Given the naming below, is Barman involved in this?
>
> If Barman is involved what version and what command is being used?
>
> >
> > pg_combinebackup --debug --dry-run
> > --output=3D/barman-backup/barman-data/test_combine 20250616T140003/data
> > 20250617T090005/data
> >
> > ...
> >
> > pg_combinebackup: would copy
> > "20250616T140003/data/base/16420/2136674204" to
> > "/barman-backup/barman-data/test_combine/base/16420/2136674204"
> > pg_combinebackup: would copy
> > "20250616T140003/data/base/16420/2542449085" to
> > "/barman-backup/barman-data/test_combine/base/16420/2542449085"
> > pg_combinebackup: error: file
> > "20250617T090005/data/base/16420/INCREMENTAL.4085177931.76" has
> > truncation block length 9501840 in excess of segment size 131072
> >
> > Any idea what's wrong?
> >
> > --
> > Kouber Saparev
>
> --
> Adrian Klaver
> adrian.klaver@aklaver.com
>
>

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<div dir=3D"ltr">Barman is involved indeed, its version is 3.14. The comman=
d: &quot;barman backup xxx --incremental latest&quot;.<div><br></div><div>P=
ostgreSQL is version 17.3.</div></div><br><div class=3D"gmail_quote gmail_q=
uote_container"><div dir=3D"ltr" class=3D"gmail_attr">=D0=9D=D0=B0 =D0=B2=
=D1=82, 24.06.2025=E2=80=AF=D0=B3. =D0=B2 18:26 Adrian Klaver &lt;<a href=
=3D"mailto:adrian.klaver@aklaver.com">adrian.klaver@aklaver.com</a>&gt; =D0=
=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0:<br></div><blockquote class=3D"gmail_quot=
e" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204)=
;padding-left:1ex">On 6/24/25 02:31, Kouber Saparev wrote:<br>
&gt; Hello,<br>
&gt; <br>
&gt; We are trying to use pg_combinebackup but eventually it fails with:<br=
>
<br>
What is the command you are using to take the incremental backups?<br>
<br>
What version of Postgres are you taking the incremental backups from?<br>
<br>
Given the naming below, is Barman involved in this?<br>
<br>
If Barman is involved what version and what command is being used?<br>
<br>
&gt; <br>
&gt; pg_combinebackup --debug --dry-run <br>
&gt; --output=3D/barman-backup/barman-data/test_combine 20250616T140003/dat=
a <br>
&gt; 20250617T090005/data<br>
&gt; <br>
&gt; ...<br>
&gt; <br>
&gt; pg_combinebackup: would copy <br>
&gt; &quot;20250616T140003/data/base/16420/2136674204&quot; to <br>
&gt; &quot;/barman-backup/barman-data/test_combine/base/16420/2136674204&qu=
ot;<br>
&gt; pg_combinebackup: would copy <br>
&gt; &quot;20250616T140003/data/base/16420/2542449085&quot; to <br>
&gt; &quot;/barman-backup/barman-data/test_combine/base/16420/2542449085&qu=
ot;<br>
&gt; pg_combinebackup: error: file <br>
&gt; &quot;20250617T090005/data/base/16420/INCREMENTAL.4085177931.76&quot; =
has <br>
&gt; truncation block length 9501840 in excess of segment size 131072<br>
&gt; <br>
&gt; Any idea what&#39;s wrong?<br>
&gt; <br>
&gt; --<br>
&gt; Kouber Saparev<br>
<br>
-- <br>
Adrian Klaver<br>
<a href=3D"mailto:adrian.klaver@aklaver.com" target=3D"_blank">adrian.klave=
r@aklaver.com</a><br>
<br>
</blockquote></div>

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