I am getting this error when i try to add 9.6 slave to 9.4 master.
< 2017-10-09 22:56:31.081 UTC > FATAL: database files are incompatible with server < 2017-10-09 22:56:31.081 UTC > DETAIL: The data directory was initialized by PostgreSQL version 9.4, which is not compatible with this version 9.6.1.
On Mon, Oct 9, 2017 at 5:06 PM, rammohan ganapavarapu <rammohanganap@gmail.com> wrote: > Hi, > > Is it possible to add 9.6 version Slave to 9.4 master?
Standard usage for Slony. I've used it for dozens of upgrades in place with a few seconds switch over time. It's not as complex as it first appears, but test on something other than production please.