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Message-ID: <e10fd67b-bff3-4737-95c5-84380a9de8e1@aklaver.com>
Date: Tue, 24 Jun 2025 08:26:40 -0700
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Subject: Re: pg_combinebackup failure
To: Kouber Saparev <kouber@gmail.com>, pgsql-general@postgresql.org
References: <CAN4RuQvFa6gkj2N=6g+dbhLC7NqmLU_jmNQL8gG7aTpHHHbJow@mail.gmail.com>
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From: Adrian Klaver <adrian.klaver@aklaver.com>
In-Reply-To: <CAN4RuQvFa6gkj2N=6g+dbhLC7NqmLU_jmNQL8gG7aTpHHHbJow@mail.gmail.com>
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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=/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