[Pdns-users] pdns master question

Liong Kok Foo kokfoo.liong at innity.com
Fri Jan 29 02:06:52 UTC 2010


Thanks for the reply Curtis. Now I know about AXFR.

But my question is,
1) I have set the pdns as master but how do I update the slaves 
normally?  Do I tell master where is the slaves or do I tell the slaves 
who is their master? Sorry...cause the docs only said about setting 
master=yes but did not explain after that.

In bind, there in the named.conf file that specifiy allow update from (slave IP). Then in the slave, I specify the master. Does it 
work the same for pdns? If so, where do I specify "allow update" in pdns?

2) Is there any more detailed docs on setting up master/slave for pdns? 
So far all the tutorials I see are only mentioning db replication.

Liong Kok Foo
System Administrator

Innity Sdn Bhd
Office: +603 7880 5611
Direct: +6012 619 9397

On 1/28/2010 10:47 PM, Curtis Maurand wrote:
> That's what the notification does.  If the domain on the other end is 
> up to date, then nothing happens.  Otherwise you'll see an AXFR happen.
> You can manually update the slave by issuing "pdns_control retrieve 
> <domainname>" on the slave.
> On 1/28/2010 4:28 AM, Liong Kok Foo wrote:
>> Would appreciate if someone could help with this problem. This issue 
>> is stopping me from having this new pdns running live.
>> Thanks.
>> On 1/26/2010 11:01 AM, Liong Kok Foo wrote:
>>> Hi,
>>> I am sorry if this seems a very noob question as I am very new to 
>>> managing DNS.
>>> I have already changed pdns config to master=yes.
>>> So now I am testing with one domain. I changed that domain to 
>>> master. Let's call it testdomain.com. This is an existing domain in 
>>> pdns (NS0) and live NS1.mydomain.com and NS2.mydomain.com.
>>> Then I can see from the /var/log/messages this below:
>>> 1 domain for which we are master needs notifications
>>> Jan 26 10:15:18 servervn pdns[31055]: Queued notification of domain 
>>> 'testdomain.com' to
>>> Jan 26 10:15:19 servervn pdns[31055]: Removed from notification 
>>> list: 'testdomain.com' to (was acknowledged)
>>> Jan 26 10:15:22 servervn pdns[31055]: No master domains need 
>>> notifications
>>> Where is the IP of NS1 (live master running bind).
>>> Does this seem correct? How does NS1 know to update testdomain from 
>>> NS0? Why is NS1 acting like slave to NS0? NS1 is a master.
>>> In NS0 (running pdns), there is a line testdomain.com NS 
>>> ns1.mydomain.com. Could this be the reason why NS0 as master is 
>>> updating to the NS1?
>>> Please advice. Thanks.
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