[Samba] Problems with replication and dns
Santiago Londoño Mejía
santiago.londono at pragma.com.co
Wed Mar 15 16:16:44 UTC 2017
Hello,
Thank you for the answer.
I tried to remove the zone waspruebas.proteccion.com.co with following result
ERROR(runtime): uncaught exception - (9717, 'WERR_DNS_ERROR_DS_UNAVAILABLE')
File "/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/__init__.py",
line 176, in _run/netcmd/dns.py", lin return self.run(*args,
**kwargs)
File "/usr/local/samba/lib64/python2.6/site-packages/samba
e 780, in run
raise e
Best regards.
2017-03-15 10:51 GMT-05:00, Rowland Penny via samba <samba at lists.samba.org>:
> On Wed, 15 Mar 2017 10:03:59 -0500
> Santiago Londoño Mejía <santiago.londono at pragma.com.co> wrote:
>
>> Hello,
>> Thank you very much for your reply.
>> I have configured bind using the dlz backend and these are the
>> results.
>>
>> named log:
>>
>> Mar 15 09:39:41 neptuno named[13166]: sizing zone task pool based on
>> 6 zones Mar 15 09:39:41 neptuno named[13166]: Loading 'AD DNS Zone'
>> using driver dlopen Mar 15 09:39:42 neptuno named[13166]: samba_dlz:
>> started for DN DC=pragma,DC=com,DC=co
>> Mar 15 09:39:42 neptuno named[13166]: samba_dlz: starting configure
>> Mar 15 09:39:42 neptuno named[13166]: samba_dlz: configured writeable
>> zone 'waspruebas.proteccion.com.co'
>> Mar 15 09:39:42 neptuno named[13166]: samba_dlz: configured writeable
>> zone 'segdllo02.suranet.com'
>> Mar 15 09:39:42 neptuno named[13166]: zone dbmed04.pragma.com.co/NONE:
>> has no NS records
>> Mar 15 09:39:42 neptuno named[13166]: samba_dlz: Failed to configure
>> zone 'dbmed04.pragma.com.co'
>> Mar 15 09:39:42 neptuno named[13166]: loading configuration: bad zone
>> Mar 15 09:39:42 neptuno named[13166]: exiting (due to fatal error)
>>
>
> You should only have the zone records for 'pragma.com.co' in AD and
> Bind must be running on the DC.
>
> I use Devuan and the Bind files are split into four files, these are
> the files I have basically been using for the last 5 years without
> problem:
>
> cat /etc/bind/named.conf
>
> include "/etc/bind/named.conf.options";
> include "/etc/bind/named.conf.local";
> include "/etc/bind/named.conf.default-zones";
>
> cat /etc/bind/named.conf.options
>
> options {
> directory "/var/cache/bind";
> version "0.0.7";
> notify no;
> empty-zones-enable no;
> allow-query { 127.0.0.1; 192.168.0.0/24; };
> allow-recursion { 192.168.0.0/24; 127.0.0.1/32; };
> forwarders { 8.8.8.8; };
> allow-transfer { none; };
> dnssec-validation no;
> dnssec-enable no;
>
> listen-on-v6 { none; };
> listen-on port 53 { 192.168.0.2; 127.0.0.1; };
> tkey-gssapi-keytab "/usr/local/samba/private/dns.keytab";
> };
>
> cat /etc/bind/named.conf.local
>
> include "/usr/local/samba/private/named.conf";
>
> cat /etc/bind/named.conf.default-zones
> // prime the server with knowledge of the root servers
> zone "." {
> type hint;
> file "/etc/bind/db.root";
> };
>
> // be authoritative for the localhost forward and reverse zones, and for
> // broadcast zones as per RFC 1912
>
> zone "localhost" {
> type master;
> file "/etc/bind/db.local";
> };
>
> zone "127.in-addr.arpa" {
> type master;
> file "/etc/bind/db.127";
> };
>
> zone "0.in-addr.arpa" {
> type master;
> file "/etc/bind/db.0";
> };
>
> zone "255.in-addr.arpa" {
> type master;
> file "/etc/bind/db.255";
> };
>
>
>
>
>>
>> As you can see in the log, the zone dbmed04.pragma.com.co does not
>> have ns records according to the database.
>
> Hang on a minute, you posted that this is the smb.conf on your DC:
>
> realm = PRAGMA.COM.CO
>
> Your realm must be the same as your DNS domain, so where does
> 'dbmed04.pragma.com.co' come from ??
>
> Try the command like this:
>
> samba-tool dns zonedelete neptuno.pragma.com.co
> waspruebas.proteccion.com.co -U Administrator
>
> (just in case it has spilt over two lines, the above should be on one
> line)
>
> If that works, remove the other spurious domain and then try
> 'samba_upgradedns --dns-backend=BIND9_DLZ'
>
> finally delete the last wrong zone 'dbmed04.pragma.com.co'
>
> Rowland
>
> --
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>
--
Santiago Londoño Mejía
Analista de Infraestructura
t. (574) 605 25 23 ext. 1232
m. (57) 3148332567
Medellín | Carrera 50 C #10 Sur 80
Bogotá | Medellín | Cali
www.pragma.com.co
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