| From: | "Jaime Casanova" <jcasanov(at)systemguards(dot)com(dot)ec> |
|---|---|
| To: | "Andrew Sullivan" <ajs(at)crankycanuck(dot)ca>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: two postgres server seeing the same data |
| Date: | 2008-12-03 21:23:15 |
| Message-ID: | 3073cc9b0812031323q793e76dbi9630fbd072c34bf8@mail.gmail.com |
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| Lists: | pgsql-general |
On Wed, Dec 3, 2008 at 1:10 PM, Andrew Sullivan <ajs(at)crankycanuck(dot)ca> wrote:
> On Wed, Dec 03, 2008 at 09:43:24AM -0800, Joshua D. Drake wrote:
>> You may have two servers pointed at $PGDATA but at no point can
>> postgresql be running on both at the same time.
>
> More importantly, if you do this, you will probably be able to get the
> two postmasters to start up. This will permanently corrupt the data.
is this true even if one of the server just send SELECTs?
> I know this partly because of experience with a "failover" system
> whose interlocks failed. Two postmasters, one data area, and no
> recoverable data.
>
the worst part of learning the lesson ;)
--
Atentamente,
Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157
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