DNS cluster

[kirkgbr]

Stelios A. wrote:
> Hi Stephane,
> 
> Now it makes sence. So my best is to have the ns1 (master) in a raid 5
> machine  (not many chances to go down - better uptime)and the ns2 set up
> as a secondary/slave in a second box with lower specs.
> Just to be sure...if I don't have synchronize all the records in the
> secondary/slave dns then when the raid 5 server goes down the dns queries
> will be forwarded automatic to the secondary dns, right?

Make sure to set your SOA "expire" value high enough to allow enough 
time to get your master back up.


> Also all the times the queries will be only in the ns1 unless ofcourse
> goes down. Right?
> 
> 
> 
>>On Fri, Jul 08, 2005 at 10:35:13AM +0100,
>> Stelios A. <linux at climbincrete.com> wrote
>> a message of 54 lines which said:
>>
>>
>>>If they query ns2 first and they don't find the subdomain that someone
>>>might looking for then is it going to try to the other one, ns1 ?
>>
>>No, the resolvers only switch to the second authoritative name server
>>if the first one does not reply. If it replies, whatever the reply,
>>they never use the second name server.
> 
> 
>