As many companies saw during the blackouts, hurricanes and terrorist attacks, the hot site was not the disaster recovery life insurance policy that was promised. The methodology works fine for a contained event that does not affect a large geographic area. However, when there is a wide spread event, such as 9/11, then the hot site is quickly overwhelmed with multiple companies who simultaneously declare a disaster and they just cannot accommodate everyone in the facility they have been accustomed to using. Couple triage fashion that a shared site strategy uses when disasters are declared with regulatory concerns and we see a trend toward bringing disaster recovery in-house. This phenomenon is referred
FICON and Mainframe Disaster Recovery InsourcingWritten by Rick Boyd
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