On Mon, 2012-03-19 at 15:30 -0400, Bruce Momjian wrote: > On Thu, Mar 01, 2012 at 02:01:31PM -0800, Lonni J Friedman wrote: > > I've got a 3 node cluster (1 master/2 slaves) running 9.0.x with > > streaming replication. I'm in the planning stages of upgrading to > > 9.1.x, and am looking into the most efficient way to do the upgrade > > with the goal of minimizing downtime & risk. After googling, the only > > discussion that I've found of using pg_upgrade with a streaming > > replication setup seems to be this (nearly) year old thread: > > http://web.archiveorange.com/archive/v/9FNVlDWGQtpyWVL54jlK > > > > In summary, there is no way to use both pg_upgrade and streaming > > replication simultaneously. I'd have to either use pg_upgrade and > > then effectively rebuild/redeploy the slaves, or not use pg_upgrade, > > and reimport all of the data. Is that still the latest status, or are > > there other options? > > You can shut down all three servers, run pg_upgrade on all of them, then > restart them as 9.1 servers. After running pg_upgrade on each server individually, they will have different system IDs, and potentially different on-disk representation of the catalogs, right? So how can you resume streaming without rebuilding the slaves? Regards, Jeff Davis -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
