[Samba] Q: Upgrading samba from 4.9 to 4.13

[Robert Marcano]

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.