Ensuring High Availability

I get miffed when I try to buy a book online from some bookstore and have to wait more than five seconds for the check-out page to appear, or if the site temporarily seems to go down. What’s wrong with these guys? Don’t they understand high availability? What, are they running their entire store on a single box? Don’t they know single point of failure?

Whatever applications are critical to the operation of your business, you need to use some form of clustering to make sure they never go down or become inaccessible to customers. Windows Server 2008 includes two enhancements in the area of high availability. First, server clusters (now called failover clusters) have been significantly improved to make them simple to set ...

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