Failover : one DHCP cannot delete TXT/PTR records (timed out)

Nicolas C. dhcp at nryc.fr
Fri Jul 27 08:29:17 UTC 2012


Le 25/07/2012 22:18, Nicolas C. a écrit :
> Hello,
>
> I'm using DHCP in failover mode, one server hosts the DHCP and the
> DNS, the other only DHCP, dynamic DNS updates are activated ("deny
> client-updates").
>
> [...]
>
> I recently noticed that the "dhcp-only" server cannot cleanup the DNS
>  correctly, it can delete the "A" record but the PTR and TXT are left
>  behind.
>
> [...]
>
> => DHCP log : delete of "A" record, OK
>
> Jul 25 21:25:58 tunng dhcpd: if VIRTUP1-VB5S480.mydomain.ext IN TXT
> "31dcd9480a551fe071cb967d1eb2b2e0db" rrset exists and
> VIRTUP1-VB5S480.mydomain.ext IN A 172.20.24.98 rrset exists delete
> VIRTUP1-VB5S480.mydomain.ext IN A 172.20.24.98: success.
>
>
> => DHCP log (continuing) : delete of "TXT" record, not OK
>
> Jul 25 21:25:59 tunng dhcpd: if VIRTUP1-VB5S480.mydomain.ext IN A
> rrset doesn't exist and VIRTUP1-VB5S480.mydomain.ext IN AAAA rrset
> doesn't exist delete VIRTUP1-VB5S480.mydomain.ext IN TXT
> "31dcd9480a551fe071cb967d1eb2b2e0db": timed out.
>
> => Bind log : only the "A" deletion is visible
>
> Jul 25 21:25:58 calla named[1149]: client 172.24.0.2#49734: updating
>  zone 'mydomain.ext/IN': deleting an RR at
> VIRTUP1-VB5S480.mydomain.ext A Jul 25 21:25:58 calla named[1149]:
> zone mydomain.ext/IN: sending notifies (serial 2010367927)

This problem has been solved by manually installing the last version of
DHCP (4.2.4-P1) on both servers.

Nicolas


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