Re: Problem with streaming replication, backups, and recovery (9.0.x)

From: hubert depesz lubaczewski <depesz(at)depesz(dot)com>
To: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Problem with streaming replication, backups, and recovery (9.0.x)
Date: 2011-03-28 12:19:33
Message-ID: 20110328121933.GA17060@depesz.com
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On Mon, Mar 28, 2011 at 01:48:13PM +0900, Fujii Masao wrote:
> In 9.0, recovery doesn't read a backup history file. That FATAL error happens
> if recovery ends before it reads the WAL record which was generated by
> pg_stop_backup(). IOW, recovery gets the recovery ending location from WAL
> record not backup history file. Since you didn't run pg_stop_backup() and there
> is no WAL record containing the recovery ending location, you got that error.
>
> If you want to take hot backup from the standby, you need to do the procedure
> explained in
> http://wiki.postgresql.org/wiki/Incrementally_Updated_Backups

Is it intentional and/or does it serve some greater good? I mean -
ability to make backups on slave without ever bothering master was
pretty interesting.

Best regards,

depesz

--
The best thing about modern society is how easy it is to avoid contact with it.
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