redundant DNS setup with bind_dlz possible ?

Andreas Oster aoster at
Thu Apr 12 02:50:35 MDT 2012

Am 12.04.2012 10:42, schrieb Andrew Bartlett:
> On Thu, 2012-04-12 at 07:52 +0200, Andreas Oster wrote:
>> Hello all,
>> I am currently have a samba4 setup with bind9 as DNS server
>> running on the same machine using the bind_dlz module provided
>> by samba4. I am now curious if it is possible to set up a
>> redundant/second samba4/bind9 DC for redundancy. I know that
>> the AD part is no problem but what about the DNS part ? Will
>> the zone infos be replicated between the two DCs ? What do I
>> have to configure to add the new DC/bind9 as a secondary DNS ?
>> How would secure DNS updates be handled ?
> It should be as simple as running the samba_upgradedns script on the
> second DC (to export the new partitions to the DLZ module on the second
> DC), but there have been some reported issues with that.
> Andrew Bartlett
Hello Andrew,

thank you for your fast response.
I am not sure if I do understand what needs to be done :-)

1) setup a new samba4 DC and join it to AD
2) run samba_upgradedns --no-migrate
3) setup bind9 with DLZ module
4) start bind9

is this correct ?

best regards


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