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/ _______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com https://mailman.powerdns.com/mailman/listinfo/pdns-users