To be clear, for potential future readers, just using checksum is not enough to back up a live database. You still have to use pg_start_backup and pay attention to its documentation re WAL files.
> On Jun 6, 2017, at 8:54 AM, David Steele <david(at)pgmasters(dot)net> wrote:
>
> This is why it is not safe to do incremental backups of PostgreSQL with
> rsync without using checksums.
--
Scott Ribe
scott_ribe(at)elevated-dev(dot)com
(303) 722-0567