Re: Are ZFS snapshots unsafe when PGSQL is spreading through multiple zpools?

Rob Sargent <robjsargent@gmail.com>

From: Rob Sargent <robjsargent@gmail.com>
To: pgsql-general@lists.postgresql.org
Date: 2023-01-18T16:54:32Z
Lists: pgsql-general
On 1/18/23 09:38, HECTOR INGERTO wrote:
>
> I wanted to understand the underlying issue.
>
> I use ZFS snapshots instead of a “correct” backup because with only 
> two machines it allows me to have backups in the main machine and in 
> the secondary too that acts as hotspare at the same time.
>
> To accomplish the same I would need 3 nodes. The main, the replica 
> hotspare and the proper backup.
>

Isn't "proper backup" typically thought of as offsite reloadable file 
capture, hopefully relatively recent?  Disaster recovery, and all that.