[Samba] adjust SOA record

[mourik jan heupink - merit]

Hi Achim,

Yes, that did it. Thanks!

But a broader question: is it common practise to set each dc's SOA to 
itself, to have complete 'independance', and thus failover..?

MJ


On 08/16/2014 08:39 PM, Achim Gottinger wrote:
> Am 16.08.2014 20:30, schrieb mourik jan heupink - merit:
>> No one..? Or am I asking something that is obvious to everybody except
>> myself..?
>>
>> On 08/13/2014 07:21 PM, mourik jan heupink - merit wrote:
>>> Hi,
>>>
>>> We have outdated SOA information in our samba DNS. We used to have a
>>> DC1, and it is no more, however it's listed in our SOA records on both
>>> remaining DC's. I think this is not correct.
>>>
>>> I am under the impression that in order to get full failover support,
>>> all DC's need to have listed themselves as SOA. This is also what google
>>> tells me:
>>>
>>> http://serverfault.com/questions/285021/in-a-2-dc-environment-should-both-dcs-host-ad-integrated-primary-zones-to-ensur
>>>
>>>
>>>
>>> So, I would like to change the SOA, but the microsoft MMC DNS tools
>>> don't let me do that, I'm getting
>>> "The start of authority (SOA) record cannot be updated. The record does
>>> not exist."
>>>
>>> I'm not sure what the correct 4.1.7 samba-tool line should be:
>>>
>>>>  samba-tool dns update <server> <zone> <name>
>>>> <A|AAAA|PTR|CNAME|NS|MX|SOA|SRV|TXT> <olddata> <newdata>
>>>
>>>
>>> I'm unsure about <olddata> and <netdata>. Here is my current SOA, I
>>> should replace <olddata> with this:
>>>
>>> SOA: serial=3, refresh=900, retry=600, expire=86400, minttl=0,
>>> ns=dc1.samba.company.com., email=hostmaster.samba.company.com.
>>> (flags=600000f0, serial=3, ttl=3600)
>>>
>>> Would this translate into something like:
>>>
>>>> samba-tool dns update dc3.samba.company.com samba.company.com
>>>> samba.company.com SOA dc1.samba.company.com. dc3.samba.company.com.
>>>> hostmaster.samba.company.com. 4 900 600 86400 0 -U username
>>>
>>> This can never be right? (and yes, I've tried it on my testserver, and
>>> it does not work, getting "ERROR: Data requires 7 elements - nameserver,
>>> email, serial refresh, retry, expire, minimumttl
>>>
>>> Can anyone tell me what the correct magic is? (or: should I even be
>>> updating the SOA to point to each separate DC at all?)
>>>
>>> Regards,
>>> MJ
> Hi Mourik,
>
>  From https://lists.samba.org/archive/samba/2013-August/174946.html
>
> /Ah, yes. Apparently this functionality only exists in 4.1 and master,
> />>/  sorry.
> />>/  > Should you try and run with that the command syntax is
> />>/  >
> />>/  > samba-tool dns update SOA "fqdn_dns fqdn_email serial refresh retry
> />>/  expire
> />>/  > minimumttl"
> />>/  >
> />>/  > HTH,
> />>/  >
> />>/  > Kai
>
> /
>
> So i expect in your case <olddata> translates into
>
> "dc1.samba.company.com. hostmaster.samba.company.com. 3 900 600 86400 0"
>
> and <newdata> into
>
> "dc3.samba.company.com. hostmaster.samba.company.com. 3 900 600 86400 0"
>
> including the quotation marks.
>