[Samba] Samba4 ClassicUpgrade post-migration issues

[Benjamin Arntzen]

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
dpadmin at samba4-dev0:~$ cat /etc/krb5.conf
[libdefaults]
         default_realm = ad.digipen.edu
         dns_lookup_realm = false
         dns_lookup_kdc = true
dpadmin at samba4-dev0:~$ cat /etc/hostname
samba4-dev0
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