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Re: backups and WAL

From: Gaetano Mendola <mendola(at)bigfoot(dot)com>
To: pablobarbachano(at)yahoo(dot)es
Subject: Re: backups and WAL
Date: 2004-08-27 08:40:15
Message-ID: 412EF36F.8050809@bigfoot.com (view raw or flat)
Thread:
Lists: pgsql-admin
pablobarbachano(at)yahoo(dot)es wrote:

> Hi, first of all thanks for postgresql, it has never given a problem
> and is performing great.
> 
> Now my question: my employer wants to do backups every 12 hours, and
> save the logs evry 2 hours to... Can I simply save the logs 
> (cp pg_xlog/* ...) or do I need something more elaborate?
> 
> Now in a restore situation ... I restore the database, and then what?
> put the saved files back in the pg_xlog/ dir, then start postmaster
> and magically all starts working? Am I correct or completely insane?
> The documentation is not clear in that aspect...

I suppose that you use a pre 8.0 version, if yes take a look at:

http://www.postgresql.org/docs/7.4/interactive/backup.html


take also a look at PITR available in the future ( near I hope :-) )
8.0:

http://developer.postgresql.org/docs/postgres/backup-online.html



Regards
Gaetano Mendola



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