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Re: after failover?

From: Ray Stell <stellr(at)cns(dot)vt(dot)edu>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: pgsql-admin <pgsql-admin(at)postgresql(dot)org>, pgsql-docs(at)postgresql(dot)org
Subject: Re: after failover?
Date: 2011-10-17 13:44:56
Message-ID: 20111017134456.GA16432@cns.vt.edu (view raw or flat)
Thread:
Lists: pgsql-adminpgsql-docs
On Sun, Oct 16, 2011 at 08:21:31PM +0100, Simon Riggs wrote:
> On Fri, Oct 14, 2011 at 3:02 PM, Ray Stell <stellr(at)cns(dot)vt(dot)edu> wrote:
> 
> > The tutorial here excludes an important issue:
> > http://wiki.postgresql.org/wiki/Binary_Replication_Tutorial#Failing_Over_To_The_Standby
> > After the failover is complete, it seems like a restart is required to
> > make the new primary capable of supporting a new hot standby. ?Can the
> > config values be changed without an interuption of service? ?I'm using
> > a hotstandby config in 9.0.x. ?Anything different in this regard in 9.1?
> > Thanks.
> 
> There's no reason not to have  wal_level = hot_standby on the standby also.

That's helpful, thanks.  Seems like a worthy addition to the doc and
tutorial.  

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