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

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От Bruce Momjian
Тема Re: PG Upgrade with hardlinks, when to start/stop master and replicas
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Msg-id 20190222020728.agkycvvsnh7i556p@momjian.us
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Ответ на Re: PG Upgrade with hardlinks, when to start/stop master and replicas  (Stephen Frost <sfrost@snowman.net>)
Ответы Re: PG Upgrade with hardlinks, when to start/stop master and replicas  (Stephen Frost <sfrost@snowman.net>)
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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.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +


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