[Pdns-users] 4.2 to 4.3 Authoritative Upgrade path

Pieter Lexis pieter.lexis at powerdns.com
Tue Mar 17 08:39:04 UTC 2020

Hi Giovanni,

On 3/16/20 6:11 PM, Giovanni Vecchi via Pdns-users wrote:
> my scenario is the following:
> - several 4.2 Authoritative servers
> - multi-master database configuration (Percona XtraDB Cluster for
> In order to upgrade to 4.3 and avoid downtime, is it safe to upgrade the
> database schema first and every server then?

The schema upgrade adds a field to the cryptokeys table and all queries
from PowerDNS ask for specific field, not all fields. So it _should_ be
safe. We do recommend testing it just to be sure :).

Best regards,


Pieter Lexis
PowerDNS.COM BV -- https://www.powerdns.com

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