Vampire a Samba4 domain to Samba3?

Taylor, Jonn jonnt at
Thu Mar 17 15:17:06 MDT 2011

On 03/17/2011 04:13 PM, Christian Huldt wrote:
> tor 2011-03-17 klockan 23:46 +0300 skrev Matthieu Patou:
>> On 17/03/2011 23:00, Christian Huldt wrote:
>>> tor 2011-03-17 klockan 22:39 +0300 skrev Matthieu Patou:
>>>> On 17/03/2011 22:09, Christian Huldt wrote:
>>>>> Would it be possible to move a domain from samba 4 to samba3?
>>>>> We have a samba4 domain used for testing that they want to move into
>>>>> production, and keep users and connected computers.
>>>>> We've had some problems with samba4 locking up occasionally so would
>>>>> prefer to use samba3.
>>>> What was locking up in samba4 ? the file server part ?
>>>> Matthieu
>>> The AD part AFAIK, samba4 is used as login server with file serving is
>>> done by samba3 servers join to the domain, once in a while the samba3
>>> server cannot reach the samba4 server and net ads testjoin can't find
>>> any dc while kinit works. Everything starts working after hunting down a
>>> few huge smbd processes on the samba4 dc.
>> Interesting, I never faced this problem even if I'm running samba since 
>> a couple of times in production (~3 years), I do had problems with the 
>> fileserver part but not much, I had a couple of issue with LDAP server 
>> not being able to handle more than 1 request at the time also but it 
>> seems not to be your case.
>>> We never really got a bdc up as the replication wouldn't work at all..
>> Which backend did you use ?
> The default, ldb.
> I assume we would need to get the dc replication up as a simple rsync of
> (parts of) samba/private wouldn't suffice as replication?
This is the same problem that I have been having. I was seeming is stuck
ldb transactions or samba4 would completely crash. I even sent you logs
and dumps on this problem.


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