Re: two postgres server seeing the same data

On Wed, Dec 3, 2008 at 2:29 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
> On Wed, Dec 3, 2008 at 2:23 PM, Jaime Casanova
> <jcasanov(at)systemguards(dot)com(dot)ec> wrote:
>> 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?
>
> yes.

even if it sends NO queries. just starting the second postmaster is enough