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.