Creating Highly Available Database Solutions

Autorentext
Kristien Hens is currently working as a Technology System Engineer, focusing on storage and cluster technologies. Before that she worked for four years for Sun Educational Services. She has taught storage and Sun Cluster courses to customers and Sun engineers. She has also developed and taught the courses “Oracle 9i for Sun Engineers” and “Oracle 9i RAC on Sun Cluster 3.x Workshop.” She is coauthor of three Sun BluePrints OnLine articles. Michael Loebmann has been the local senior systems engineer for the ISV Oracle in Germany for three years. His tasks include both the exchange of technical knowledge between Oracle and Sun and customer consultation with regard to competition. He has been working in the computer field since 1990, and for Oracle since 1993. He has more than nine years of experience with Oracle products, especially in Oracle data warehousing and parallel Oracle databases (OPS and RAC). His specialties include Oracle performance tuning on Solaris and the investigation of database performance on storage subsystems.

Klappentext
This book explains how to architect and deploy high availability (HA) solutions with Oracle Real Application Clusters (Oracle RAC) in a Sun(TM) Cluster 3.x environment. It presents information to help you decide when an Oracle RAC and Sun Cluster software solution is appropriate to satisfy the availability requirements of your business. In addition, this book explains the technology behind these products, describes successful customer deployments, and provides technical tips and preferred practice recommendations. This book features detailed case studies, including A large German bank that has implemented an Oracle RAC and Sun Cluster software solution to meet the ever-increasing business demands of the banking industry. One of the largest companies in Europe for alpine skiing that has implemented Oracle RAC and Sun Cluster software to support HA requirements in a consolidated environment. A benchmark case that describes the use of Oracle RAC with Sun's Remote Shared Memory (RSM) technology to improve the performance of single-instance databases. A large financial institution that uses Sun Cluster's HA Oracle agent to provide the necessary level of HA required for their database.

Inhalt
Acknowledgments iiiPreface xiii Chapter 1: Understanding High Availability for Databases 1Assessing the Criticality of a Solution 2Assessing High Availability Requirements for Databases 6Choosing the Correct Configuration to Support HA Requirements 11Protecting Data-Beyond Application Availability 15Preparing for Disasters-Business Continuity Management 20 Chapter 2: Understanding the Benefits of Implementing Oracle RAC on Sun Cluster Software 23Using Oracle on the Solaris Operating System 24Understanding the Value of Oracle and Sun Mature Technologies 28Understanding the Robustness of Sun Cluster Software 28Understanding Options for Accessing Memory Remotely 33Understanding Options for Storing Data 35Supporting Enterprise Continuity Solutions 37Looking at the Future of Oracle and Sun Cluster 42 Chapter 3: Understanding the Oracle RAC Architecture and Sun Cluster Software Internals 43Designing a Hardware Architecture to Support High Availability 44Using an Operating System That Supports High Availability 51Examining Sun Cluster Software Internals 54Understanding the Interaction of Sun Cluster Packages for OPS/RAC 70Examining Oracle RAC Functionality 78 Chapter 4: Applying Preferred Practices to Oracle RAC and Sun Cluster Implementations 91Installing Oracle RAC in a Sun Cluster 3.x Environment 91Understanding Oracle Data Configuration 101Configuring Data for Oracle RAC 109Configuring Archive Log Locations 116Understanding Client Connections 125Managing Client Connections in Oracle 9i RAC 129Tuning Sun Cluster 3.x Software for Oracle RAC 133 Chapter 5: Examining High Availability Real-World Implementations 141Analyzing Real-World Customer Solutions 142Providing High Availability Services in the Banking Sector 144Supporting the Seasonal HA Requirements of the Resort Industry 153Improving Performance With Oracle RAC and Sun's Remote Shared Memory 159Addressing HA With an HA Oracle Agent in a Consolidated Environment 161 Appendix A: History of Oracle's Parallel Database Technology 165Sun Cluster 2.x and Oracle OPS 166Cluster Architectures and Oracle Parallel Server Technology 175Oracle's Cache Coherency Protocol 178The Famous Ping 178Always in Turn Please-Enqueues 180Oracle 9i: Cache Fusion II-All Fusion? 182 Appendix B: Sample Service Level Agreement 183Service Levels 185 Appendix C: Examples of the scsetup Utility 187Setting Up the Oracle RAC Framework Resource Group 187Registering a VxVM Diskgroup in the Cluster With the scsetup Utility 190Registering VxVM Volumes With the scsetup Utility 192

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