On Sun, Jan 15, 2023 at 10:57 PM HECTOR INGERTO <hector_...@hotmail.com> wrote:
> > > > But you cannot and should not rely on snapshots alone > > > > That’s only for non atomic (multiple pools) snapshots. Isn’t? > Right. For single-filesystem installs it should be fine. Just make sure it has both the data and the WAL directories in the same one. > If I need to rely only on ZFS (automated) snapshots, then the best option > would be to have two DB? Each one in each own pool. One HDD DB and one SSD > DB. Then, the backend code should know on which DB the requested data is. > You could. I wouldn't -- I would set it up to use proper backups instead, maybe using snapshots as the infrastructure. That gives you other advantages as well, like being able to do PITR. It's a little more to set up, but I'd say it's worth it. //Magnus