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Re:Approaches to PostgreSQL Replication and Backup by colanderman on Friday February 23, 2018 @10:49PM (#16451541)
I didn't say it was? Nor is replication.

But thanks for the reply, I've edited to clarify that disk sharing is an alternative to the three HA solutions in the article, not the one backup solution (which in all examples is the mundane "copy to S3").

Re:Approaches to PostgreSQL Replication and Backup by rosser on Friday February 23, 2018 @11:01PM (#16451584)
The Fine Article is, indeed, light on meaningful approaches "backup", despite its prominent presence in its title.
Re:Approaches to PostgreSQL Replication and Backup by colanderman on Friday February 23, 2018 @11:32PM (#16451676)
It's also light on approaches to HA (hence my – apparentely misunderstood – addition to the list). Postgres's documentation itself is much more thorough: https://www.postgresql.org/docs/10/static/different-replicat...

And gives a little more insight into backup options too: https://www.postgresql.org/docs/10/static/backup.html