Hi, On Mon, Jul 03, 2023 at 02:07:54PM +0530, Ashok Patil wrote: > > I am able to perform replication of a single machine where primary and > stand-by are on same localhost.. > I think you are right.. it might be blocking the backup process by > firewall.. Agreed > Just one signal question: is multi-master replication possible on Postgres? > I searched on google.. but did not find a proper solution.. This is not possible with vanilla postgres. There are some commercial products / postgres forks that implement it, but I've never used them so I can't comment on how well they work nor how much they cost.