From: David Steele <david@pgmasters.net>
To: James Pang (chaolpan) <chaolpan@cisco.com>
To: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
Subject: Re: pgbackrest archive.info got deleted unexpected
Date: Wed, 3 Aug 2022 08:08:59 -0400
Message-ID: <dee5201a-cf77-ea09-ec9b-0d22afb91039@pgmasters.net> (raw)
In-Reply-To: <PH0PR11MB51911C27148F788333BBC782D69C9@PH0PR11MB5191.namprd11.prod.outlook.com>
References: <PH0PR11MB51911C27148F788333BBC782D69C9@PH0PR11MB5191.namprd11.prod.outlook.com>
On 8/3/22 05:23, James Pang (chaolpan) wrote:
>
> We use pgbackrest 2.34 on RHEL8.4 to backup PGv13 database to AWS S3
> buckets , we found after some time successful backup , suddenly got
> below error:
>
> 2022-07-23 10:30:04.743 P00 INFO: archive-push:async command begin
> 2.38: [/pgdata/pg_wal] --archive-async --archive-push-queue-max=10240MB
> --compress-type=none --exec-id=813450-3a783f75 --log-level-console=off
> --log-level-stderr=off --pg1-path=/pgdata --process-max=2
> --repo1-path=/pgbackup --repo1-s3-bucket=xxxxxxxxx
> --repo1-s3-endpoint=s3-fips.us-west-2.amazonaws.com
> --repo1-s3-key-type=auto --repo1-s3-region=us-west-2 --repo1-type=s3
> --spool-path=/pgarchive/pgbackrest --stanza=xxxxxxx
>
> 2022-07-23 10:30:04.744 P00 INFO: push 1 WAL file(s) to archive:
> 00000001000000DB000000A4
>
> 2022-07-23 10:30:04.907 P00 ERROR: [103]: unable to find a valid
> repository:
>
> repo1: [FileMissingError] unable to
> load info file '/pgbackup/archive/xxxxxx/archive.info' or
> '/pgbackup/archive/xxxxxx/archive.info.copy':
>
> FileMissingError: unable to open
> missing file '/pgbackup/archive/xxxxxx/archive.info' for read
>
> FileMissingError: unable to open
> missing file '/pgbackup/archive/xxxxxx/archive.info.copy' for read
>
> HINT: archive.info cannot be opened
> but is required to push/get WAL segments.
>
> HINT: is archive_command configured
> correctly in postgresql.conf?
>
> HINT: has a stanza-create been
> performed?
>
> HINT: use --no-archive-check to
> disable archive checks during backup if you have an alternate archiving
> scheme.
>
> Then we login to check both archive.info and archive.info.copy got
> disappeared in S3 bucket , we do not have job or command to manually
> delete that file, and we do not recreate standza either, not sure why
> suddenly missed the archive.info. without the archive.info, we have to
> recreate pgbackrest stanza repo again, but all old backup pieces got
> invalid too.
>
> Could you help figure out how that happened ? we faced this issue
> several times .
These files do not get updated after stanza-create. Do you have any kind
of auto-expiration of old files in the bucket? e.g.,
https://aws.amazon.com/blogs/aws/amazon-s3-object-expiration.
Regards,
-David
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To: pgsql-admin@postgresql.org
Cc: david@pgmasters.net, chaolpan@cisco.com, pgsql-admin@lists.postgresql.org
Subject: Re: pgbackrest archive.info got deleted unexpected
In-Reply-To: <dee5201a-cf77-ea09-ec9b-0d22afb91039@pgmasters.net>
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