[Samba] Replication Error Between Differing Samba Versions During Upgrade

Achim Gottinger achim at ag-web.biz
Tue Oct 3 23:18:18 UTC 2017

Am 04.10.2017 um 01:05 schrieb Achim Gottinger via samba:
> Am 04.10.2017 um 00:31 schrieb Mike Ray via samba:
>> Hello all-
>> At the recommendation of the Catalyst team, instead of trying to get 
>> 4.0.6
>> replicating with 4.0.7, they suggested we try a later version (>=4.5) 
>> as those
>> versions are much more recent and may have handled issues older 
>> versions just
>> could not. Unfortunately that too did not work. They then suggested 
>> that an
>> in-place upgrade, as if there was a bug in our 4.0.6 code that was 
>> causing
>> problems, there was not much else that could be done. The server 
>> survived an
>> upgrade from Ubuntu 12.04 (Samba 4.0.6) to Ubuntu 14.04 (Samba 
>> 4.3.11) with
>> minimal work afterwards (samba-dsdb-modules and samba-vfs-modules 
>> packages were
>> missing) and seemingly no loss of data.
>> We still plan on going up to 4.7 via SerNet packages or similar, but at
>> this point it seems we are out of the woods.
>> TL;DR - we fixed a replication issue that was blocking an upgrade by 
>> first
>> upgrading our existing hosts.
>> ----- On Oct 2, 2017, at 5:32 PM, Mike Ray mray at xes-inc.com wrote:
>>> Spent more time on this today and found the
>> following:
> Have you tried to update only your fsmo master to an recent version, 
> say 4.6.8. Denote the other servers on the fsmo master using the 
> --remove-other-dead-server option and rejoin the other servers after 
> updating samba to 4.6.8 on each server?
> I'd try that only if the missing attributes you found using ldapcmp 
> are not located on the fsmo master.
Somehow i have missed that you got it fixed already. Nevermind.

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