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High Availability: Design, Techniques and Processes

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High Availability: Design, Techniques and Processes

Book

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Description

  • Copyright 2001
  • Dimensions: 7 X 9-1/4
  • Pages: 288
  • Edition: 1st
  • Book
  • ISBN-10: 0-13-714119-X
  • ISBN-13: 978-0-13-714119-7

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.

Sample Content

Table of Contents

1. Today's Computing Environment.

Complexity, Complexity, Complexity. The Total Cost of Ownership Issue. Summary.

2. Achieving Higher Availability.

Determining User Availability Requirements. Availability Levels and Measurements. Summary.

3. Planning for System Availability.

Identifying System Components. Addressing Critical Components. The Four Elements of Availability. Summary.

4. Preparing for Systems Management.

Processes, Data, Tools, and Organization. Systems Management in the PC World (or the Lack of It). IT Organizations: Away from Centralization, Then Back Again. Understanding the Systems To Manage. The Basics of Management: Five Phases. Identifying the Systems Management Disciplines.

5. Implementing Service-Level Management.

Service-Level Management. Problem Management. Change Management. Security Management. Asset and Configuration Management. Availability Management.

6. From Centralized to Distributed Computing Environments.

Systems Management Disciplines. The Centralized Computing Environment. The Distributed Computing Environment. Systems Management in Today's Computing Environment. Developing a Deployment Strategy. Summary.

7. Techniques That Address Multiple Availability Requirements.

Redundancy. Backup of Critical Resources. Clustering. Fault Tolerance. Isolation or Partitioning. Automated Operations. Access Security Mechanisms. Standardization. Summary.

8. Special Techniques for System Reliability.

The Use of Reliable Components. Programming to Minimize Failures. Implement Environmental Independence Measures. Utilize Fault Avoidance Measures. Summary.

9. Special Techniques for System Recoverability.

Automatic Fault Recognition. Fast Recovery Techniques. Minimizing Use of Volatile Storage Media. Summary.

10. Special Techniques for System Serviceability.

Online System Redefinition. Informative Error Messages. Complete Documentation. Installation of Latest Fixes and Patches. Summary.

11. Special Techniques for System Manageability.

Use Manageable Components. Management Applications. Educate IS Personnel on Systems Management Disciplines. Summary.

12. All Together Now.

The Value of Systems Management Disciplines. Which One First? Analyze Outages. Identify Single Points of Failure. Exploit What You Have. An Implementation Strategy. Summary.

Appendix A: Availability Features of Selected Products.

Availability Features of Selected Operating Systems. Availability Features of Selected Hardware Components. Availability Features of Selected Software Components.

Index.

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