samba - Jan 2018 - Samba 4.7.4 + bind9 DLZ /backend/ dropping delegated domain

Here's the problem. I've got working samba AD server. I've
configured it to
work with bind9 DLZ backend and I'm managing the DNS entries from the
windows DNS manager.
I've made delegated DNS record for our EMC cluster storage, according to a
guide. The record points to the SmartConnect service IP of the EMC.
Since last week I've noticed that my DNS queries to the storage aren't
being resolved which is a problem because that way the storage isn't
accessible. Every other local records are resolving and there's no problem
with them.
Rebooting the whole server seems to fix this for some time. This morning I
found out the problem reoccurred again though.
Could you point me to some steps towards debugging this? ANy help will be
appreciated.

On Mon, 22 Jan 2018 12:24:00 +0000
Zdravko Zdravkov via samba <samba at lists.samba.org> wrote:
> Here's the problem. I've got working samba AD server. I've
configured
> it to work with bind9 DLZ backend and I'm managing the DNS entries
> from the windows DNS manager.
> I've made delegated DNS record for our EMC cluster storage, according
> to a guide. 
Can you post a link to the guide.

Rowland

Sure.
It's actually a video, the part starts around 2:50 -
https://www.youtube.com/watch?v=LSCJSVbFEfc


On Mon, Jan 22, 2018 at 1:01 PM, Rowland Penny via samba <
samba at lists.samba.org> wrote:
> On Mon, 22 Jan 2018 12:24:00 +0000
> Zdravko Zdravkov via samba <samba at lists.samba.org> wrote:
>
> > Here's the problem. I've got working samba AD server. I've
configured
> > it to work with bind9 DLZ backend and I'm managing the DNS entries
> > from the windows DNS manager.
> > I've made delegated DNS record for our EMC cluster storage,
according
> > to a guide.
>
> Can you post a link to the guide.
>
> Rowland
>
>
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