From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_upgrade --logfile option documentation |
Date: | 2012-02-28 19:16:10 |
Message-ID: | 20120228191610.GB14565@momjian.us |
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Lists: | pgsql-hackers |
On Tue, Feb 28, 2012 at 03:48:03PM -0300, Alvaro Herrera wrote:
>
> Excerpts from Robert Haas's message of mar feb 28 15:24:45 -0300 2012:
>
> > I think you should rename the old control file just before the step
> > that says "linking user relation files". That's the point after which
> > it becomes unsafe to start the old cluster, right?
>
> Also, if it's not using link mode, what is the point in doing the rename
> in the first place? I was using copy mode when I did my tests and yet
> it got renamed (unless link mode is now the default, which I doubt?)
You are right that we lock unconditionally. We can certainly only lock
in link mode.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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