From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Sushil Shirodkar <sushilps@hotmail.com>
To: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
Subject: Re: Re. Backup
Date: Thu, 03 Aug 2023 21:01:05 +0200
Message-ID: <dbb641c11b5fd71c9f24ee886853dcea556ea027.camel@cybertec.at> (raw)
In-Reply-To: <PH7PR10MB6225BB0156769A0E7B9C945AD408A@PH7PR10MB6225.namprd10.prod.outlook.com>
References: <PH7PR10MB6225BB0156769A0E7B9C945AD408A@PH7PR10MB6225.namprd10.prod.outlook.com>
On Thu, 2023-08-03 at 17:20 +0000, Sushil Shirodkar wrote:
> We take regular backup along with WALs everyday no issues, but one day of
> the week regularly backup fails with the following error.
>
> ERROR: requested WAL segment 0000000C000008A10000000B has already been removed
>
> We know the reason there is heavy database activity going during this period. But
> trying to avoid addition of more WAL files, is there any way to modify our backup
> command below which will take just the snapshot and not worry about the WALs?
> playing with diff. options but no luck.
>
> pg_basebackup -h ${MASTER_TCP_ADDRESS} -U ${REP_USER} -D ${BACKUP_DIR} -X fetch -Ft -zPw >>$LOG
You need the WAL, otherwise you cannot recover the backup.
Use "-X stream" instead of "-X fetch", and the problem will go away.
Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com
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To: pgsql-admin@postgresql.org
Cc: laurenz.albe@cybertec.at, sushilps@hotmail.com, pgsql-admin@lists.postgresql.org
Subject: Re: Re. Backup
In-Reply-To: <dbb641c11b5fd71c9f24ee886853dcea556ea027.camel@cybertec.at>
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