From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
---|---|
To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: Recovery bug |
Date: | 2010-10-19 19:40:14 |
Message-ID: | 1287517214.20345.5.camel@jdavis-ux.asterdata.local |
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Lists: | pgsql-bugs |
On Tue, 2010-10-19 at 09:51 -0700, Jeff Davis wrote:
> On Tue, 2010-10-19 at 12:26 +0300, Heikki Linnakangas wrote:
> > Excluding pg_xlog is just a recommendation at the moment, though, so we
> > would need a big warning in the docs. And some way to enforce that
> > just_kidding is not included in the backup would be nice, maybe we could
> > remove read-permission from it?
>
> Hmm, removing the read bit would add some confidence into the process. I
> like that idea better than just assuming that the user won't copy it.
>
> I think I like this direction most, because it doesn't leave us
> guessing. If the file is there then we assume normal recovery. If we
> encounter recovery.conf we throw FATAL. If we encounter backup_label we
> can simply remove it (perhaps with a warning that there was a crash in
> the middle of a backup).
>
On second thought, this doesn't sound backpatch-friendly. We should
probably put a simpler fix in first and back-patch it. Then we can do
something like your proposal for 9.1. What do you think of my proposed
patch?
Regards,
Jeff Davis
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