[Samba] Upgrading Samba

me at tdiehl.org me at tdiehl.org
Fri Feb 8 01:10:46 UTC 2019


On Wed, 6 Feb 2019, Rowland Penny via samba wrote:

> On Wed, 6 Feb 2019 11:26:46 -0500 (EST)
> me at tdiehl.org wrote:
>
>> Hi Rowland,
>>
>> On Wed, 6 Feb 2019, Rowland Penny via samba wrote:
>>
>>> On Wed, 6 Feb 2019 15:20:56 +0400
>>> henri transfert via samba <samba at lists.samba.org> wrote:
>>>
>>>> Hello all,
>>>>
>>>> I've planned to upgrade a Samba DC from 4.6.7 to 4.9.4 .
>>>
>>> STOP!
>>>
>>> Do not do this directly, reports on here have shown that this will
>>> not work.
>>>
>>> You will have to 'walk' up the versions, it may work if you go to
>>> 4.8.3, then to 4.9.4, but you may have to go to 4.7.2 first.
>>
>> If I have a domain running (2) 4.7.x DC's and I build 2 new DC's with
>> 4.9.latest, join the domain and make them DC's and then decommission
>> the old DC's, is that expected to work?
>>
>> Regards,
>>
>
> Not entirely sure, but I think the answer is likely to be 'No'
> I think the problem is the GUID Index mode introduced at 4.8.0, Your
> 4.7.x DC's will not have this, but the 4.9.x DC's will probably expect
> this. Only way to find out, try it ;-)

OK, so to be clear, If I do this does it only break the new DC or do I risk
breaking all of the DCs in the domain?

What exactly am I looking for? bind_dlz errors?

Assuming it will only break the new DC, I am willing to give it a try and
report back.

Regards,

-- 
Tom			me at tdiehl.org



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