[Samba] Samba4 ClassicUpgrade post-migration issues
Rowland Penny
rowlandpenny at googlemail.com
Wed Jun 18 14:52:50 MDT 2014
On 18/06/14 21:38, Benjamin Arntzen wrote:
> Nothing :( It claims to have started successfully, but all my problems
> still persist.
>
> ~ B
>
> On 06/18/2014 12:47 PM, Rowland Penny wrote:
>> On 18/06/14 20:14, Benjamin Arntzen wrote:
>>> Done all suggestions, no change detected.
>>>
>>> And nope, no DNSmasq.
>>>
>>> On 06/18/2014 12:07 PM, Rowland Penny wrote:
>>>> On 18/06/14 19:59, Benjamin Arntzen wrote:
>>>>> Hi Rowland,
>>>>>
>>>>>
>>>>> On 06/18/2014 11:49 AM, Rowland Penny wrote:
>>>>>> On 18/06/14 19:28, Benjamin Arntzen wrote:
>>>>>>> Hi there,
>>>>>>>
>>>>>>> I've successfully migrated an extremely large Samba3 domain to
>>>>>>> Samba4.
>>>>>>> The platforms involved:
>>>>>>> Samba files (/var/lib/samba) copied from a Debian 6-based Samba3
>>>>>>> PDC with an LDAP backend
>>>>>>> Debian 7 with Samba4 installed from backports, with slapd
>>>>>>> installed locally (and now disabled).
>>>>>>>
>>>>>>> However, a number of things appear to be wrong:
>>>>>>>
>>>>>>> dpadmin at samba4-dev0:~$ host -t SRV _ldap._tcp.ad.digipen.edu
>>>>>>> _ldap._tcp.ad.digipen.edu has SRV record 0 100 389
>>>>>>> %h.ad.digipen.edu.
>>>>>>>
>>>>>>> dpadmin at samba4-dev0:~$ sudo service samba restart
>>>>>>> [ ok ] Stopping NetBIOS name server: nmbd.
>>>>>>> [ ok ] Stopping SMB/CIFS daemon: smbd.
>>>>>>> [....] Stopping Samba AD DC daemon: sambastart-stop-daemon:
>>>>>>> *warning: failed to kill 10121: No such process*
>>>>>>> . ok
>>>>>>> [ ok ] Starting Samba AD DC daemon: samba.
>>>>>>>
>>>>>>> dpadmin at samba4-dev0:~$ kinit administrator at AD.DIGIPEN.EDU
>>>>>>> kinit: Cannot contact any KDC for realm 'AD.DIGIPEN.EDU' while
>>>>>>> getting initial credentials
>>>>>>>
>>>>>>> This is the current contents of my /etc/samba/smb.conf:
>>>>>>> ####SOF####
>>>>>>> # Global parameters
>>>>>>> [global]
>>>>>>> workgroup = DIGIPEN.EDU
>>>>>>> realm = ad.digipen.edu
>>>>>>> netbios name = %H
>>>>>>> server role = active directory domain controller
>>>>>>> idmap_ldb:use rfc2307 = yes
>>>>>>> # Only allow signed updates
>>>>>>> #allow dns updates = signed
>>>>>>>
>>>>>>> # If recursive queries = yes is set, the following is
>>>>>>> also needed
>>>>>>> dns forwarder = 204.174.42.68
>>>>>>>
>>>>>>> [netlogon]
>>>>>>> path = /var/lib/samba/sysvol/ad.digipen.edu/scripts
>>>>>>> read only = No
>>>>>>>
>>>>>>> [sysvol]
>>>>>>> path = /var/lib/samba/sysvol
>>>>>>> read only = No
>>>>>>>
>>>>>>> ####EOF####
>>>>>>>
>>>>>>> How do I get Samba to start returning valid values for DNS?
>>>>>>> ~ Benjamin
>>>>>> Hi, what's in /etc/resolv.conf , /etc/krb5.conf , /etc/hostname
>>>>>> and /etc/hosts
>>>>>>
>>>>>> Rowland
>>>>>>
>>>>>
>>>>> dpadmin at samba4-dev0:~$ cat /etc/resolv.conf
>>>>> domain ad.digipen.edu
>>>>> search ad.digipen.edu
>>>>> nameserver 10.1.20.137
>>>>> #nameserver 204.174.42.68
>>>>> #nameserver 204.174.42.88
>>>>
>>>> I take it 10.1.20.137 is the ipaddress of the samba4 server, if so,
>>>> this is ok.
>>>>
>>>>> dpadmin at samba4-dev0:~$ cat /etc/krb5.conf
>>>>> [libdefaults]
>>>>> default_realm = ad.digipen.edu
>>>>> dns_lookup_realm = false
>>>>> dns_lookup_kdc = true
>>>>
>>>> Change the lowercase 'ad.digipen.edu' to uppercase 'AD.DIGIPEN.EDU'
>>>>
>>>>> dpadmin at samba4-dev0:~$ cat /etc/hostname
>>>>> samba4-dev0
>>>>
>>>> OK
>>>>
>>>>> dpadmin at samba4-dev0:~$ cat /etc/hosts
>>>>> 127.0.0.1 localhost
>>>>> 127.0.1.1 samba4-dev0.digipen.edu samba4-dev0
>>>>>
>>>>> # The following lines are desirable for IPv6 capable hosts
>>>>> ::1 localhost ip6-localhost ip6-loopback
>>>>> ff02::1 ip6-allnodes
>>>>> ff02::2 ip6-allrouters
>>>>>
>>>> This should be ok, but you could try changing 127.0.1.1 to 10.1.20.137
>>>>
>>>> One last thought, dnsmasq isn't running in any form is it ?
>>>>
>>>> Rowland
>>>>
>>>>
>>>
>> ok, I totally missed this in your original post:
>> sudo service samba restart
>>
>> try
>> sudo service smbd stop
>> sudo service nmbd stop
>> sudo service samba-ad-dc start
>>
>> The last one is what starts the samba AD DC on my debian 7 server.
>>
>> Rowland
>>
>
Is there anything in the logs ?
Rowland
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