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Title: What is a Cluster?
Review: Oops. Having read through 120+ pages ... Clustering as explained in this book was still a mystery -- making learning MSCS difficult. The Microsoft Cluster Server Administrator's Guide (included on the Enterprise CD) does a much better job through and through. By page 3 in the Administrator's Guide -- you get it. On the bright side, the author does explain how to execute administrative tasks well and there is a section for Clustering SQL and Exchange.
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