Re: Turn off streaming replication - leaving Master running

agreed there is an element of risk.

however a backup of the master will be carried out prior (ok there could
potentially be a gap of data during downtime)

unfortunately i have nothing else big enough (diskwise) to run my tests on.

On 30 June 2015 at 15:47, Michael Paquier <michael(dot)paquier(at)gmail(dot)com> wrote:

>
>
> On Tue, Jun 30, 2015 at 2:29 PM, Andy Erskine <andy(dot)erskine(at)jds(dot)net(dot)au>
> wrote:
>
>> Ok so a question i should have asked at the very beginning ..
>>
>> If i touch my trigger file - promoting the secondary to a master - will
>> that in anyway effect the master thats already running ?
>> IE no files on the master will change ?
>>
>
> Streaming replication is designed to let the master run properly when a
> standby disconnects.
>
>
>> Then all i'll have to do is shutdown the secondary when i've finished and
>> run the basebackup process again to restore replication (and change
>> recovery.done - conf again.
>>
>
> Yes.
>
> Now something that has been mentioned by the others: isn't your standby
> here for a reason? Like in case of failure don't you have a process to
> failover automatically? Perhaps you are shooting yourself in the foot by
> unplugging this standby, hence you should, and other recommend the same,
> simply let the existing standby alone and create a new instance by taking a
> new base backup from either the master or the standby and use it for your
> tests. Then eliminate the node you created. In short: avoid doing stupid
> things...
> --
> Michael
>

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