Re: Automatic backup with Linux. - Mailing list pgsql-admin

From Bruce Momjian
Subject Re: Automatic backup with Linux.
Date
Msg-id 200207232201.g6NM1db06829@candle.pha.pa.us
Whole thread Raw
In response to Re: Automatic backup with Linux.  ("Rommel B. Abaya" <rommel.abaya@menusys.net>)
List pgsql-admin
The only faster way to do a backup is to shut down the postmaster and
tar the /data directory.

---------------------------------------------------------------------------

Rommel B. Abaya wrote:
> isn't there any faster method to backup data than pg_dump  ???
>
> or is there a way to speed up pg_dump ???
>
>
> ----- Original Message -----
> From: Oliver Elphick <olly@lfix.co.uk>
> To: pginfo <pginfo@t1.unisoftbg.com>
> Cc: <pgsql-admin@postgresql.org>
> Sent: Saturday, July 20, 2002 3:38 PM
> Subject: Re: [ADMIN] Automatic backup with Linux.
>
>
> > On Sat, 2002-07-20 at 06:58, pginfo wrote:
> > > My question:
> > > 1. Ho to execute this script as user postgres under Linux. I will to use
> > > crontab, but do not know how to execute pg_dump as another user.
> >
> > Become user postgres before you run "crontab -e".  On Debian you can
> > instead use /etc/crontab, which has an extra field to define the user
> > under whose uid the command will run.
> >
> > > 2. Is it possible to execute the backup script on working data base. I
> > > haved problems with data integrity on oracle in this case and needet to
> > > stop the oracle and then make backup.
> >
> > Yes it is possible.  pg_dump will not see any transaction that has not
> > yet been committed at the time you start it, so its output will be
> > consistent.  If you were using tar on the raw database files, you would
> > probably need to stop the postmaster first.
> >
> > --
> > Oliver Elphick                                Oliver.Elphick@lfix.co.uk
> > Isle of Wight, UK
> > http://www.lfix.co.uk/oliver
> > GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
> >                  ========================================
> >      "Behold, what manner of love the Father hath bestowed
> >       upon us, that we should be called the sons of God..."
> >                                 I John 3:1
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 6: Have you searched our list archives?
> >
> > http://archives.postgresql.org
> >
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
>

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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