Re: pgbackrest archive.info got deleted unexpected

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