Going with Veritas was the natural choice, Sherman says. Weve been using various flavors of Veritas products for four to five years now. It was natural progression to use Veritas Volume Replicator It was an easy decision at the time.
But why such an elaborate setup? Being able to ward off disasters as large as last months blackout is, of course, a major issue, but the fully redundant system is also used for capacity testing, Sherman notes. In normal conditions, the secondary site is used as a testing and staging environment, where ULS can fully test capacity before launching new applications. We wanted to build an environment that would allow us to do full-blown capacity testing."
While the primary site is working properly, the secondary site functions purely as a staging and testing site. But as soon as it registers that traffic from the primary site is being rerouted, the staging and testing instances automatically shut down, and the data center transforms into a disaster recovery site.
There is no single point of failure. It is a fully automated, fully redundant system, Sherman says. Our system provides unattended, fully automated failover... If a data center were to go down at 3 oclock in the morning, you dont have to wait for someone to react.
Eugénie Larson, Senior Editor, Byte and Switch
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