[Samba] Samba4 AD DC Sites / Rename Default-First-Site-Name and internal DNS
Matthieu Patou
mat at samba.org
Sun Dec 30 21:06:07 MST 2012
On 12/30/2012 07:10 PM, Achim Gottinger wrote:
>> As you have noticed, we are very good at adding DNS records, but never
>> remove the old ones. What you have done seems reasonable, if you have
>> renamed the site, removing the remaining DNS references seems entirely
>> reasonable.
>>
>> Please file a bug about the left-behind DNS stuff, we really should
>> clean that up.
>>
>> Andrew Bartlett
>
> There is this menu option "cleanup old resource entries" in the DNS
> snap-in, guess it's normal AD behaviour. :-)
Not it's not, there is KB about DNS server about how to clean old
records that were set by a client via DDNS
> This does not yet work against an Samba4 AD DC. But I'll file an
> bugreport.
>
>> I'm not 100% sure that we implement everything that is needed for a
>> client to pickup the correct site, so you might see some issues still.
> It had happened in very seldom cases with the samba3/bind/openldap
> before. In the Samba4 test environment it happened only once after i
> had removed the mentioned SRV records pointig to site2's dc in site1
> folders. I'll report back if it happens on an regular basis.
>>> As an last step i renamed the site "Default-First-Site-Name" into
>>> "site1". Restarted the samba services at both sites check
>>> replication. But there are still a few DNS entries left whom i
>>> deleted manual.
>> It's really not a good idea to delete rename the default-First site
>> lots of Windows admins don't advise to do so, you'd better leave it
>> empty. Matthieu
>
> So to be on the safe side you recommend i create two new sites and
> assign the two servers to them, leaving Default-First-Site-Name with
> on assigned server.
> I thought it is safer to leave the first server in that default site
> because i had read the sites thing is a work in progress. Renaming it
> was somethin i did after abit of online research which mentioned it is
> safe and not forbidden. Beside that now empty structure elements in
> dns the test environment is still work functional.
>
> http://social.technet.microsoft.com/Forums/en-US/winserverNIS/thread/2afc3cf5-7389-4368-bdeb-887e60c0081f
>
>
> Beside all that for me samba4 is a great step forward an will simplify
> things alot compared to the previous samba3/bind/openldap solution
Ok good to know.
Matthieu.
--
Matthieu Patou
Samba Team
http://samba.org
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