[Pdns-users] Using AXFR vs. Mysql Replication

Duane duane at e164.org
Thu Jun 22 20:48:23 UTC 2006

Lorens Kockum wrote:
>     The pdns server does not remember AXFRs or SOA checks so
>     that it can re-NOTIFY the slaves who have not AXFRd a given
>     zone within some reasonable time. This means that if for
>     some reason an UDP NOTIFY packet is lost, the zone wil not
>     be updated, and if the NOTIFY is the initial one, the zone
>     will not be configured on the slaves until the zone is
>     changed and a new NOTIFY is sent.

No but slaves track it and update themselves periodically.

>     When a zone is removed from the master, the slave does not
>     recognize that. I would like the slave to remove the zone
>     from the database when it expires.

This can be fixed using a shell script, there are other problems with 
the AXFR mechanism, but these are mostly non-issues.


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