Re: PG Upgrade with hardlinks, when to start/stop master and replicas

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От Stephen Frost
Тема Re: PG Upgrade with hardlinks, when to start/stop master and replicas
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Msg-id 20190222023132.GP6197@tamriel.snowman.net
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Ответ на Re: PG Upgrade with hardlinks, when to start/stop master and replicas  (Bruce Momjian <bruce@momjian.us>)
Ответы Re: PG Upgrade with hardlinks, when to start/stop master and replicas  (Bruce Momjian <bruce@momjian.us>)
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Greetings,

* Bruce Momjian (bruce@momjian.us) wrote:
> On Tue, Feb 19, 2019 at 12:25:24PM -0500, Stephen Frost wrote:
> > Ah, right, I forgot that it did that, fair enough.
> >
> > I've never been thrilled with that particular approach due to the
> > inherent risks of people messing directly with files like pg_control,
> > but that's how it is for now.
>
> There was too much concern that users would accidentally start the old
> server at some later point, and its files would be hard linked to the
> new live server, leading to disaster.

Sure, I understand that concern, just wish there was a better approach
we could use for "DO NOT START THIS SERVER" rather than moving of the
pg_control file.

Thanks!

Stephen

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