Re: pg_start_backup and pg_stop_backup Re: Re: [COMMITTERS] pgsql: Make CheckRequiredParameterValues() depend upon correct

On Wed, 2010-04-28 at 19:40 +0900, Fujii Masao wrote:
> On Wed, Apr 28, 2010 at 4:43 PM, Heikki Linnakangas
> <heikki.linnakangas@enterprisedb.com> wrote:
> > This doesn't contain any changes to pg_start_backup() yet, that's a
> > separate issue and still under discussion.
> 
> I'm thinking of changing pg_start_backup and pg_stop_backup so that
> they just check that wal_level >= 'archive', and changing pg_stop_backup
> so that it doesn't wait for archiving when archive_mode is OFF.
> 
> This change is very simple and enables us to take a base backup for SR
> even if archive_mode is OFF. Thought?

Makes sense.

I'm wondering whether this could cause problems with people taking hot
backups that aren't aimed at SR. Perhaps we could have 2 new functions
whose names are more closely linked to the exact purpose:
pg_start_replication_copy() etc..
which then act exactly as you suggest.

-- Simon Riggs           www.2ndQuadrant.com