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Re: Creating a user for pg_start_backup

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On Tue, 2015-07-21 at 16:54 +0900, Michael Paquier wrote:
> On Tue, Jul 21, 2015 at 4:47 PM, Andrew Beverley <andy@xxxxxxxxxxx> wrote:
> > Dear all,
> > 
> > I'm setting up hot backups on my database server. As such, I'd like to set up a
> > Postgres user that has access to only pg_start_backup and pg_stop_backup.
> > 
> > I'm unable to work out how to do this with the various GRANT options. Can someone
> > point me in the right direction please? Or is there a better way to achieve this,
> > rather than having a dedicated user?
> 
> Access to pg_start_backup and pg_stop_backup can be done with either a
> replication user or a superuser. You can define user with such rights
> with CREATE ROLE with the keyword REPLICATION:
> http://www.postgresql.org/docs/devel/static/sql-createrole.html

Great, thanks Michael, spot on.

For the purposes of the archives:

    create user backup with password 'xxxx' replication;

I had to specify a database name when connecting:

    psql -U backup -c "select pg_start_backup('Daily backup')" -d postgres

Thanks,

Andy



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