[Pgpool-general] pgpool running on only one box?

Micka mickamusset at gmail.com
Thu Mar 31 07:40:30 UTC 2011


My idea was, and I didn't test it, it's:

Server 1                Server 2
postgres 9 A          postgres9 B
pgpool A               pgpool B
application A         application B

The idea was :

- pgpool A is active, it's doing a streaming replication with postgres A and
B.
-application A is communicating with pgpool A.
- application B is communicating with pgpool A.

if the server 1 goes down, pgpool is starting, doing the failover command.
The application B detect that pgpoolA is not working anymore, and try to
communicate with pgpoolB.



On Thu, Mar 31, 2011 at 9:33 AM, Erwan <ebs at antelink.com> wrote:

>  Hi Sean
>
> On 03/31/2011 02:03 AM, Sean Tegtmeyer wrote:
>
>
>  Therefore pgpool-II does not provide a fail-over solution in the case that
> the box running pgpool-II goes down, and it would be up to the user of
> pgpool-II to implement a fail-over solution that would start pgpool-II on
> another box, correct?  Thanks for the help.
>
>
>
> But you can easily use system like ucarp (
> http://www.ucarp.org/project/ucarp) to share common virtual IP addresses
> and to provide automatic failover.
> It works nice!
>
> /Erwan
>
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