[Samba] Q: Upgrading samba from 4.9 to 4.13

[Marco Shmerykowsky]

On 10/22/2020 9:40 AM, Robert Marcano via samba wrote:
> On 10/22/20 9:38 AM, Robert Marcano wrote:
>> On 10/22/20 9:30 AM, Marco Shmerykowsky via samba wrote:
>>> I've been looking at the Sambawiki for notes on upgrading
>>> (https://wiki.samba.org/index.php/Upgrading_a_Samba_AD_DC)
>>>
>>> The way I read it it is suggested to uninstall samba
>>> completely and then essentially re-installing.  That seems
>>> like a Murphy's Law disaster (with my luck) waiting to
>>> happen.
>>>
>>> Is "upgrading "in-place" a realistic option?
>>>
>>
>> I have been upgrading multiple domains since 4.8 without problems, the 
>> difference here is that I have done it incrementally and not in a 
>> single step. I upgrade to the latest 4.x release when 4.x+1.0 is 
>> released.
>>
>> I think the developers are very careful to not break in place 
>> upgrades, but I don't think there is some kind of testing 
>> infrastructure to test single step upgrades from all older releases, I 
>> maybe wrong. You can try with a dump of your domain on a testing 
>> environment and report if you have problems.
> 
> I forgot to add that if you go this way I recommend you read all release 
> notes from all intermediary releases so you don't miss something you 
> need to do.
> 

So an alternate way to do this is to upgrade-in-place at each step.
ie. 4.9 to 4.10 then 4.10 to 4.11 then 4.11 to 4.12 etc.