[Pdns-users] experience upgrade 2.9 > 3.3.1

Chris lists at shthead.com
Fri Jul 11 11:12:21 UTC 2014


For the subdomain wildcard problem you have, see my post here: 

And Peter's follow up here: 

I believe that might be related?

I upgraded from 2.9 to 3.3 a while back with no real hassles (roughly 7m 
records in 4 instances), only thing to watch out for was the schema 
changes. I import zones from servers running cPanel (using zone2sql on 
the named files) and that didn't require any changes which was nice.


On 11/07/2014 6:08 PM, Willem wrote:
> FYI, here are my notes from upgrading our 1M records mysql-based setup 
> from 2.9 to 3.3.1:
> One nasty bug that was our reason to upgrade in the first place, is 
> gone. We used to have 1 out of every million queries giving a false 
> NXDOMAIN reply, not anymore. You could call us very happy ;)
> A huge issue (for us) was the stricter database model. The new pdns 
> requires every record to have the same domain_id as the corresponding 
> SOA record. Specifically, this means that an A record for 
> sub.domain.tld will not work anymore, if a SOA record for 
> sub.domain.tld with another domain_id exists. We had to rewrite quite 
> a few procedures to comply with this new behaviour and run a periodic 
> check on our database to see whether there are still processes that 
> write the wrong domain_id's.
> Another thing biting us, is that an A query for x.sub.dom.tld doesn't 
> work anymore, given A records "*.dom.tld" and "sub.dom.tld". An A 
> query for x.sub2.dom.tld does still work. We haven't fixed this yet. 
> I've posted the details at 
> https://gist.github.com/gwillem/6bbcf43545de6c25cf0e
> All in all, the upgrade and fixing all dependencies was a lot of work 
> (3 weeks), but a big succes.
> Thanks for making powerdns!
> Willem
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