From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Jorge Torralba <jorge(dot)torralba(at)gmail(dot)com> |
Cc: | "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: pg_upgrade with --link then pg_basebackup for replication |
Date: | 2015-11-04 14:49:58 |
Message-ID: | 20151104144958.GA15722@momjian.us |
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Thread: | |
Lists: | pgsql-admin |
On Mon, Nov 2, 2015 at 04:39:02PM -0800, Jorge Torralba wrote:
> Here is an odd question.
>
> If one was to upgrade Postgres to 9.4 from 9.1 using the --link option, then
> setup replication using pg_basebackup, would the standby server preserve the
> hard links with the pg_basebackup or will -D /new/destination/data/dir be a
> clean unlinked version?
I will be clean. If you want to upgrade the the standby to 9.4 without
a new basebackup, see this blog entry:
http://momjian.us/main/blogs/pgblog/2015.html#June_10_2015
> Afterwards, if failing over to standby then failing back, would that implement
> a non linked version back on the primary if specifying a new data directory as
> well ?
The links are only created on the server you run pg_upgrade, meaning
normally not on the standby.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
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