redundant DNS setup with bind_dlz possible ?

Andrew Bartlett abartlet at
Thu Apr 12 02:42:39 MDT 2012

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
Andrew Bartlett                      
Authentication Developer, Samba Team 

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