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Re: PITR Backups

From: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
To: "Dan Gorman" <dgorman(at)hi5(dot)com>
Cc: "Toru SHIMOGAKI" <shimogaki(dot)toru(at)oss(dot)ntt(dot)co(dot)jp>,"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>,<pgsql-performance(at)postgresql(dot)org>
Subject: Re: PITR Backups
Date: 2007-06-22 11:38:09
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
On Fri, 2007-06-22 at 04:10 -0700, Dan Gorman wrote:
> This snapshot is done at the LUN (filer) level, postgres is un-aware  
> we're creating a backup, so I'm not sure how pg_start_backup() plays  
> into this ...

Postgres *is* completely unaware that you intend to take a backup, that
is *exactly* why you must tell the server you intend to make a backup,
using pg_start_backup() and pg_stop_backup(). That way Postgres will
flush its buffers, so that they are present on storage when you make the

Is the procedure for Oracle or any other transactional RDBMS any

  Simon Riggs             

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