[Samba] Migrating samba4 dc from an instance with static/external dns to a fresh install with dynamic/internal dns
l.zalewski at qmul.ac.uk
Thu Sep 8 11:45:37 UTC 2016
> On 8 Sep 2016, at 14:04, Rowland Penny via samba <samba at lists.samba.org> wrote:
> On Thu, 8 Sep 2016 10:50:20 +0000
> Lukasz Zalewski via samba <samba at lists.samba.org> wrote:
>>> On 8 Sep 2016, at 11:34, Rowland Penny via samba
>>> <samba at lists.samba.org> wrote:
>>> On Thu, 8 Sep 2016 07:19:34 +0000
>>> Lukasz Zalewski via samba <samba at lists.samba.org> wrote:
>>>> Dear list,
>>>> I want to migrate our existing samba4 dc with a static/external dns
>>>> backend, to a new install with internal dynamic dns backend.
>>>> DC1 - existing samba4 dc with static/external dns running quite old
>>>> build (to be updated to version 4.3 before the migration starts)
>>>> - new samba4 dc with internal dynamic dns (running 4.3 version)
>>> Transfer all FSMO roles to DC2, demote DC1, turn off DC1, re-install
>>> DC1 with a different name, join it as a new DC.
>> Hi Rowland,
>> My plan is to completely retire DC1 after this migration is completed.
>> What I’m not sure is how to perform the initial joining of the DC2
>> given the current dns set-up.
>> Do I just join DC2 to the domain using samba-tool domain join
>> and then manually add the missing dns domain records (for bot DC1 and
>> DC2) to DC2’s dns? Would that be enough?
>> My ultimate goal is to move the data over from DC1 to DC2 and also
>> convert from the static/external dns set up to the internal/dynamic
> Does DC2 have all the required records ? if it does, then what I posted
> earlier should work, but if you have missing dns records, then running
> samba_upgradedns should create them.
DC2 does not exist yet. I’m assuming that I should not provision it first, but run domain join and then
samba_upgradedns after the join?
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