[quote]What's the cost of downtime to your business? $100,000 per hour, $1,000,000 or more? The recent volcanic ash that has grounded European flights is estimated to be costing the airlines $200M a day. In the IT world, High Availability (HA) architectures allow for disaster recovery as well as uninterrupted business continuity during system failure...[/quote]
https://bigdatamatters.com/bigdatamatters/2010/04/high-availability-wit…