[Samba] 4.9.x -> 4.10.x : any major things to consider?

[Rowland penny]

On 26/11/2019 19:29, Stefan G. Weichinger via samba wrote:
> Am 25.11.19 um 16:07 schrieb Stefan G. Weichinger via samba:
>> Am 25.11.19 um 11:49 schrieb L.P.H. van Belle via samba:
>>> Hai Stefan,
>>>
>>> Yes, i do recommend the setup from 4.9 to 4.10 first.
>>>
>>> If you plan is to upgrade to buster.
>>> 1) on stretch, update samba to 4.10
>>> 2) Change apt sources do buster, * your now also able to add buster-samba411 of my repo.
>>> 3) apt-get dist upgrade --autoremove --purge
>>> And you able to upgrade to buster and samba 4.11.
>>>
>>> Do note, i should be possible to to it also from 4.9 to 4.11, but thats not what i've done.
>>> I only advice what i also did in my network.
>>>
>>> And which order, that does not matter much, i mix that also, thats bit what you preffer.
> Screwed up the DC2 now as well. Nice day.
>
> Somehow I overlooked some "stretch" string below "sources.list.d", this
> lead to rm-ing samba (and smb.conf etc) ...
>
> Now I have that back up, but it seems I lost some tdb-files or so.
>
> samba-ad-dc.service fails ...
>
> Nov 26 20:24:42 adc2 samba[1033]: task[kccsrv][1033]:
> task_server_terminate: task_server_terminate: [kccsrv: Failed to connect
> to local samdb: WERR_DS_UNAVAILABLE
> Nov 26 20:24:42 adc2 samba[1033]: task[kccsrv][1033]:   ]
> Nov 26 20:24:42 adc2 samba[1032]: task[ntp_signd][1032]: [2019/11/26
> 20:24:42.252243,  0]
> ../../source4/smbd/process_standard.c:84(sigterm_signal_handler)
> Nov 26 20:24:42 adc2 samba[1032]: task[ntp_signd][1032]:
> sigterm_signal_handler: Exiting pid 1032 on SIGTERM
> Nov 26 20:24:42 adc2 samba[1037]: task[dns][1037]:
> task_server_terminate: task_server_terminate: [Failed to obtain server
> credentials, perhaps a standalone server?: NT_STATUS_CANT
> Nov 26 20:24:42 adc2 samba[1037]: task[dns][1037]:   ]
>
>
> and it seems the cronjob with the samba4-backup didn't run on that machine.
>
> I assume I have to start over: demote that DC2 etc
>
> Should have left office when I could an hour ago.
>
Definitely sounds like you should, you are probably tired and it is 
easy  to make mistakes when you are tired.

Rowland