Sorry, I was misstyped.
non shared -> shared
On Sat, Jul 28, 2018 at 01:05:40AM +0900, Ioseph Kim wrote:
> Hi.
>
> I want to build one master & multi slave environments to use physical replication.
> Slave nodes have low hardware spec, so I changed max_connection server parameters, and try start slave node.
> But I could not start slave nodes,
> because CheckRequiredParameterValues function (in src/backend/access/transam/xlog.c) reject to set less values then
master’svalues.
>
> It is maybe,
> This concept is base on some slave node can be promte master.
> In my enterprise environments, readonly slave nodes are not used as master.
> For High availability of master node, I’m using non shared disk fail over (like using pacemaker),
> Then my slave nodes are used for always readonly nodes.
>
> I suggest that new server parameter is added, such like allow_promote = on|off.
> If allow_promte set off then CheckRequiredParameterValues skip check slave node parameters.
>
> If there is a better plan, it is welcome too.
>
> Regards, ioseph.
>
>
