Round Robin A Records

[Igmar Palsenberg]

On Thu, 19 Oct 2000, Steve Ford wrote:

> Can someone please advise:
> 
> We have two web servers mirrored. We have setup DNS (BIND 4.9.7) like
> this to round robin the requests:
> 
> www    0300    IN A    198.141.222.111
>             0300    IN A    198.141.223.117
> 
> When a client attempts to resolve the address of the hostname 'www' is
> it true that the client will receive one of the IP addresses on a round
> robin basis?
> 
> If we lose one of the servers, say it is booted down, every second
> request will be the IP address of the unavailable server.

Yes. In most case, it is handles with a load balancing proxy, or some nice
nifty routing that handles the case of a fallout.

> Does anyone know a way of configuring DNS so that if one server is down
> all requests are directed to the available server dynamically? Manually
> we remove the A record for the unavailable server.

I don't know if that is possible.

> 
> Regards,
> Steve


	Igmar