[Samba] Samba4 Secondary DC as Backup DC (redundancy)

[Daniel Carrasco Marín]

Porque
El 23/6/2015 8:23 p. m., "Rowland Penny" <rowlandpenny at googlemail.com>
escribió:
>
> On 23/06/15 19:19, Daniel Carrasco Marín wrote:
>>
>>
>> El 23/6/2015 8:11 p. m., "Rowland Penny" <rowlandpenny at googlemail.com>
escribió:
>> >
>> > On 23/06/15 18:58, Daniel Carrasco Marín wrote:
>> >>
>> >> Hi,
>> >>
>> >> I've sucessfull created a secondary DC using the wiki manual (
>> >> https://wiki.samba.org/index.php/Join_a_domain_as_a_DC), and is
working
>> >> perfectly, user and groups are synced on both and I can use any of
them for
>> >> login using clients like Owncloud, Prosody, python scripts...
>> >>
>> >> Now my question is: ¿how I can use that secondary DC as backup when
the
>> >> main fails?.
>> >>
>> >> I've tried to disable the main AD daemon but clients don't try to
connet to
>> >> secondary DC, then all fails...
>> >>
>> >> Greetings and Thanks!!
>> >
>> >
>> > OK, how do the clients get their ipaddress etc, is this by DHCP or do
they have static addresses ?
>> >
>> > If it is by DHCP, then the dhcp server needs to push out both DCs as
nameservers, if static, then each client needs to be set to use both DCs as
nameservers.
>> >
>> > The DCs need to be set to use each other as nameservers, falling back
to themselves in case of failure i.e. /etc/resolv.conf needs to be this:
>> >
>> > search samdom.example.com
>> > nameserver 192.168.0.3
>> > nameserver 192.168.0.2
>> >
>> > Where 'samdom.example.com' is your domain name
>> > 192.168.0.3 is the other DC
>> > 192.168.0.2 is the DC this /etc/resolv.conf is on
>> >
>> > Swap the two nameserver on the other DC.
>> >
>> > Rowland
>> >
>> >
>> > --
>> > To unsubscribe from this list go to the following URL and read the
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>>
>> I see. I'll take a look tomorrow.
>>
>> I'm migrating an old samba domain, then for now i've clients with mixed
DHCP (ip by DHCP, but DNS is static).
>>
>> Thanks!!
>
>
> It would probably be best to just set the hostname on the clients, then
get the DHCP server to push out the domain name etc, you can if you wish,
run a dhcp server on one of the samba4 AD DCs
>
> Rowland
>

Thanks for the suggestion, but i'm using a proxy server as dhcp and for now
i don't want to change it.

Greetings!!