Personally I vote for RRDNS so that your domain name has multiple IP's
associated with it. DynDNS polls every few minuets for availability
and will automatically remove dead servers. That is what clustering is
all about :)
Also I forgot to respond regarding the mysqldump -if your db cannot be
offline use Amanda and a MySql agent.
On Thu, May 20, 2010 at 2:35 PM, Alex Dean <
alex@crackpot.org> wrote:
>
> On May 20, 2010, at 3:52 PM, keith smith wrote:
>
>> After reading this I am wondering if there is a way to point one IP to
>> another in DNS?
>>
>
> The idea is that you want your www.site.com to be available from either
> server A or server B?
>
> If so, don't worry about switching your DNS. Instead, configure a virtual
> IP which can be moved from one server to another. Your DNS A record will
> point to the virtual IP. When the IP moves, all your traffic moves with it.
>
> Heartbeat does this really well.
>
> alex
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