Re: Switchover of Master and Slave roles

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Ray Stell" <stellr(at)cns(dot)vt(dot)edu>,"A J" <s5aly(at)yahoo(dot)com>
Cc: <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Switchover of Master and Slave roles
Date: 2011-06-07 18:44:41
Message-ID: 4DEE2B49020000250003E2A2@gw.wicourts.gov
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A J <s5aly(at)yahoo(dot)com> wrote:

> What does it exactly mean to 'recreate a standby server' ? Can I
> not use the datafiles on the former primary and just let it sync
> and get the incremental from the new primary ? Do I have to remove
> all the data files from the former primary and get all the
> datafiles through rsync (or other similar manner) from the new
> primary ?

The old server will probably be close enough that judicious use of
rsync with the old copy as the target will allow a base backup to be
taken very quickly.

-Kevin

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