[Pdns-users] 4.2 to 4.3 Authoritative Upgrade path

Giovanni Vecchi g.vecchi at certego.net
Tue Mar 17 11:15:53 UTC 2020

Hi Peter,

thanks for your quick reply.
If 4.2 queries do not ask for that field, I can't figure out what could go
wrong, isn't it?
Otherwise, what's the best upgrade path for this scenario? May I need to
stop every powerdns instance -> upgrade database schema -> upgrade every
powerdns instances -> start powerdns instances?

Thanks a lot


On Tue, 17 Mar 2020 at 09:39, Pieter Lexis via Pdns-users <
pdns-users at mailman.powerdns.com> wrote:

> 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
> instance)
> >
> > 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
> --
> Pieter Lexis
> PowerDNS.COM BV -- https://www.powerdns.com
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> Pdns-users at mailman.powerdns.com
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Giovanni Vecchi
Infrastructure Lead Engineer, Certego
<http://twitter.com/Certego_IRT>  <http://github.com/certego>
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