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The expert guide to high availability clusters for HP-UX, Linux, Windows 2000, and Windows NT.The start-to-finish guide to high availability clusteringIncludes ways to maximize enterprise application availability--and minimize costCompletely updated for the latest tools, technologies, and applicationsDescribes high availability solutions in HP-UX, Linux, and Windows environments Business-critical applications require higher availability than ever before-and today's high availability systems rely on clustering as a key strategy for maximizing reliability and robustness. In "Clusters for High Availability, Second Edition," Peter S. Weygant covers all three pillars of successful high availability computing: robust technology, sound computing processes, and proactive support. He addresses every aspect of delivering high availability clustered systems: terminology, architecture, implementation, management, monitoring, and beyond. Coverage includes: Fundamental concepts and components associated with high availability clusteringA 14-step checklist for assessing your high availability needsClustering techniques for HP-UX, Windows 2000, Windows NT, and LinuxClustered storage, backup, and network infrastructure solutionsPractical techniques for building "disaster-tolerant" systemsState-of-the-art cluster replication, monitoring, and management tools Weygant presents several brand-new case studies, including an Oracle Parallel Server application providing 5nines:5minutes protection; a high availability brokerage application built using a continental cluster; and a storage area network solution designed for an Internet service provider. The book also contains an extensive glossary. Ifyou're responsible for delivering high availability, "Clusters for High Availability" is the comprehensive, up-to-date blueprint you need.

The complete "how-to guide" for maximizing the availability of enterprise systems. Training, support, backup, and maintenance account for nearly 80 percent of the total cost of today's enterprise applications-and much of that money is spent trying to squeeze increased availability out of applications in spite of weak design and management processes. In High Availability, two leading IT experts bring together best practices for every people and process-related issue associated with maximizing application availability. The goal: to help enterprises dramatically improve the value of their strategic applications, without investing a dime more than necessary. Enhancing all four key elements of availability: reliability, recoverability, serviceability, and manageability Understanding how your users define availability Planning achievable service level agreements-and delivering on them Strategies for multiple platforms, from the mainframe to the desktop Lowering administrative costs through standardization and other techniques Redundancy, backup, fault tolerance, partitioning, automation, and other high availability solutions Leveraging availability features built into your existing hardware and operating systems Discover how to create systems that will be easier to maintain, anticipate and prevent problems, and define ongoing availability strategies that account for business change. Whatever your IT role, whatever your IT architecture, this book can help you deliver the breakthrough availability levels your organization needs right now.