[Pdns-users] Is the update protocol between supermaster and superslave pdnsversion agnostic?

[Peter van Dijk]

On Mon, 2022-01-17 at 15:59 +0100, Leeflangetje via Pdns-users wrote:
> I have a setup with pretty old pdns servers (4.2).
> 
> One hidden master that serves a number of internet-facing authorative
> servers which act as superslaves.
> 
> I want to upgrade the lot to the latest version, but preferably without
> any downtime.
> 
> One way to do that (hopefuly) is to upgrade each internet facing
> superslave over a period of time, and upgrade the hidden master as the
> last one.
> 
> This will only work if the updates from the hidden master to the
> superslaves are also recognized and processed as usual , even when de
> superslaves run on a recent version (> 4.2) and the hidden master does
> not.
> 
> Is this the case?

Yes. A supermaster does not even know it is a supermaster; in fact, a
supermaster does not even have to be PowerDNS. So you can upgrade in
any order you like.

Kind regards,
-- 
Peter van Dijk
PowerDNS.COM BV - https://www.powerdns.com/