Multiple IP addresses are used, and managed by keepalived.
On 6/28/12 7:11 AM, Thomas Manson wrote:
Ok,
but then, I don't get where is used DNS Round Robin, if only one IP
is used. (it may be obvious, sorry ;);)
Regards,
Thomas.
On Thu, Jun 28, 2012 at 1:08 PM, Türker Sezer
<[email protected] <mailto:[email protected]>> wrote:
On Thu, Jun 28, 2012 at 11:59 AM, Manson Thomas
<[email protected] <mailto:[email protected]>> wrote:
> usually a client will cache the IP served by the DNS server, in
order to not
> query each time the DNS system.
>
> So how can the client switch to another server once it has
resolved one.
Clients dont switch ip address. They connect same ip address. But we
move ip address to backup or another active instance using keepalived
so they connect another server using same ip address.
--
Türker Sezer
TS Design Informatics LTD.
http://www.tsdesign.info/
