Failover for business continuity

[Dmitry Banschikov]

On 05/30/2012 10:52 AM, Ram wrote:
> I am trying to setup a remote cyrus-replica to a different geographical
> location for business continuity.
>
> In case the main server goes down the users will get switched to the
> remote server by making a DNS change.
> The only issue is DNS replication would take a long time so the switch
> is not instantaneous.
> How would one make the switch instantaneous ? Moving the IP is not
> possible because the Remote server is on a different network
>
>

You can set TTL of RR to very small value (say 60 seconds). In this 
case, DNS change will be propagated fast.


-- 

Dmitry Banschikov

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