I have a website that we load-balance across a few machines. The load-balancer (a Brocade ServerIron ADX) is on the local network. I know it has the capability to configure a "backup" ip address to ...
I'm trying to wrap my head around something that I thought I kinda understood, but clearly there's some piece missing. We're currently using Zerigo as our primary dns, with slave dns running on ...
As a followup question to his very popular question: Why is DNS failover not recommended?, I think it was agreed that DNS failover is not 100% reliable due to caching. However the highest voted ...
A disaster recovery plan has been proposed in a client's company that would fail back from DNSSec to regular DNS in the event of 1) A major site outage requiring the change of many DNS records 2) ...
I'm designing a business continuity plan. The company's website uses two internally-hosted servers at two different datacenters to provide name resolution. I've been asked to add a third WHOIS ...
I'm trying to think through how to change the A record for a website I host in the context of disaster recovery. I have the Apache and mySQL replication working, and tested locally by changing my ...