Andrew Sullivan wrote:
>
> On Fri, May 09, 2008 at 05:22:44AM -0700, ajcity wrote:
>>
>> Hi all,
>> I have a slight issue and I need advice on what to do.
>> I already have a local machine (machineX) replicating from I remote
>> server(machineY). Now, my company just got another server(machineZ) with
>> higher config and I want to replicate the data on the machineX onto the
>> machineZ then setup the new server to replicate from the machineY and the
>> X
>> should replicate from the machineY.
>
> So you currently have Y->X, and you want to perform Y->X->Z, and then
> later
> Y->Z->X?
>
Not quite but close to it. I wanna move the data on X->Z and then instead of
using Y->X->Z, I want to use Y->Z->X
>> 1) Can I just change the IP of machineX to the the IP of machineY,
>> subscribe machineZ then replicate and when this is done, I should change
>> the
>> IP of machineZ to that of machineX, and then subscribe machineX with a
>> different IP?
>> 2) Or do I just pull-down the structure and start everything again from
>> scratch with the appropriate config?
>
> Don't do either. Subscribe Z using provider X, and then later move the
> subscription from X to Y, and then X's subscription from Y to Z. This is
> all part of the design of Slony.
>
> A
>
Ok. Sounds like it might work but what if I wanted to change the IP of
machineZ to that of machineX and vice versa cos I wanna remove the public IP
on machineX and set it for machineZ; can I do this without disturbing Slony
or do I have to consult the network admin?
Victor
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