On Tue, Oct 10, 2017 at 9:49 AM, rammohan ganapavarapu <rammohanganap@xxxxxxxxx> wrote: > > On Tue, Oct 10, 2017 at 8:26 AM, Scott Marlowe <scott.marlowe@xxxxxxxxx> > wrote: >> >> On Mon, Oct 9, 2017 at 5:06 PM, rammohan ganapavarapu >> <rammohanganap@xxxxxxxxx> 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. > 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. Please don't top post. So Are you trying to use streaming replication? That won't work. I was suggesting using Slony for replication if you need to do that. http://slony.info/documentation/index.html It's a trigger based replication engine for postgresql designed back in the early days and useful for replication between different versions. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
