[Samba] Q: Upgrading samba from 4.9 to 4.13
Marco Shmerykowsky
marco at sce-engineers.com
Thu Oct 22 16:08:54 UTC 2020
On 2020-10-22 10:27 am, Robert Marcano via samba wrote:
> On 10/22/20 10:10 AM, Marco Shmerykowsky via samba wrote:
>>
>> 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.
>>
>
> I am not sure I would have the patience to do it that way, If I ever
> experience problems with in-place upgrade after testing, I would
> restore from backup and use the rejoin process. It would be easier for
> me because I am running Samba in containers. People running in VMs
> will be easier too.
The patience I will need the slow way is likely far less than the amount
I would require fixing stuff after Murphy's Law and my luck creates a
disaster. :)
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