Re: [GENERAL] Re: Mirroring the database? - Mailing list pgsql-sql

From Justin Clift
Subject Re: [GENERAL] Re: Mirroring the database?
Date
Msg-id 3B71ECAF.65EBD3A0@postgresql.org
Whole thread Raw
In response to Re: Mirroring the database?  (Allan Engelhardt <allane@cybaea.com>)
List pgsql-sql
There's also PostgreSQL Replicator (which I haven't gotten around to
trying) :

http://pgreplicator.sourceforge.net

:-)

Regards and best wishes,

Justin Clift


Allan Engelhardt wrote:
>
> Ehhh, use dual-ported RAID disks?  (Well, tri-port in your case, but maybe A and B machines are enough.  You still
havea (small) single point of failure, but you probably have that anyhow (network switch?).  You'll need some way of
briningPostgreSQL up on B when A dies, but that could be a simple script.  Reconnect would of course be manual from the
pointof the client.). 
>
> Or buy Oracle.
>
> Replication is at the top of the TODO list: http://www.uk.postgresql.org/docs/todo.html
>
> Allan.
>
> PS:
> Maybe SQLB does some of what you want?  http://sourceforge.net/projects/sqlb/  [The documentation is a little
opaque...I'mnot quite sure what it does, exactly.  Anybody want to comment?] 
>
> Raymond Chui wrote:
>
> > Does the latest PostgreSQL 7.1.2 support database mirroring?
> >
> > I have machine A, B and C, they all have the same database and tables.
> > Machine A is the operational machine, machine B and C are backup.
> >
> > If users do INSERT, UPDATE and DELETE in machine A, I want have the
> > same SQL statements in machine B and C.
> >
> > 1. I can do pg_dump or COPY every hour.
> > 2. I can use PerlDBI or JDBC open multiple connections for each SQL
> >     statement.
> > 3. But I prefer if the system auto mirroring the database, then I can do
> > nothing.
> >     All I need is set the auto mirroring configure.
> >
> > Please tell me how to do in 3. above. Thank you in advance!
>
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