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-   -   Help:two isp3 servers primary and secondary dns (http://www.howtoforge.com/forums/showthread.php?t=46592)

u4david 17th June 2010 17:43

Help:two isp3 servers primary and secondary dns
 
I have isp3 server at home.(mydns)
Now I setting up idp3 server @ work.(BIND)

How I can set them up so they function as redundant dns servers to each other?

So far I use configuration on my home server that ns1 and ns2 points to the same isp3 server to .So there is no redundancy only it appears that I have two dns servers.I set it up this way just to experiment with it.I could get away with one dns record as NS1.

But @ work i would like to have it set up properly as it should be with primary and secondary dns.

So I wonder if both location/domains can function as redundant dns servers to each other.

could you please explain How it works in nut shell and how it needs to be set up to make it work so when aether servers goes down the one standing will still function on its own but when both servers are up there is two dns servers available to resolute requests.


Thank you.

till 17th June 2010 17:49

See System > server services > is mirror of server.

u4david 17th June 2010 20:29

mirror of server explanation
 
Yes i noticed that option.

Wander what it does.
And the effect to have mirrored system vice versa.

till 17th June 2010 20:30

Quote:

Wander what it does.
It mirrors the configuration from the master to the slave server.

u4david 17th June 2010 21:40

How it mirrors it and what all is mirrorred?
 
does it mirror the whole ispconfig3?
does it mirror the dns only?

is the current set up on the slave get overwrited or merged?

so what exactly is mirrored and how?

Some examples of use would be appreciated.

Thank you.

till 17th June 2010 21:46

Quote:

does it mirror the whole ispconfig3?
does it mirror the dns only?
It mirrors all configuration for all services that are on the server that is selected in the "is morror of server" field.

Quote:

is the current set up on the slave get overwrited or merged?
The slave must be a fresh installed ISPConfig 3 and may not conatain any records assigned to it in ispconfig. So you can not use a server where you created already any records on.

Quote:

Some examples of use would be appreciated.
All kind of setups that use mirroring. E.g. high availability mailservers, multiple dns servers, high availability webserver setups, load balancing for mailserver clsuters etc.

u4david 17th June 2010 21:53

wont aply in my case
 
The slave must be a fresh installed ISPConfig 3 and may not conatain any records assigned to it in ispconfig. So you can not use a server where you created already any records on.

It wont work for me as in my case i wont two established isp servers to work as slave servers to each other in the dns area.


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