更新时间:2021-07-16 09:35:24
封面
版权页
Credits
About the Author
About the Reviewers
www.PacktPub.com
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Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Chapter 1. Cluster Basics and Installation on CentOS 7
Clustering fundamentals
Setting up CentOS 7 nodes
Installing the packages required for clustering
Summary
Chapter 2. Installing Cluster Services and Configuring Network Components
Configuring and starting clustering services
Security fundamentals
Getting acquainted with PCS
Setting up a virtual IP for the cluster
Chapter 3. A Closer Look at High Availability
Failover – an introduction to high availability and performance
Fencing – isolating the malfunctioning nodes
Installing and configuring a STONITH device
Split-brain – preparing to avoid inconsistencies
Quorum – scoring inside your cluster
Configuring our cluster with PCS GUI
Chapter 4. Real-world Implementations of Clustering
Setting up storage
ELRepo repository and DRBD availability
Configuring DRBD
Adding DRBD as a PCS cluster resource
Installing the web and database servers
Configuring the web server as a cluster resource
Mounting the DRBD resource and using it with Apache
Testing the DRBD resource along with Apache
Setting up a high-availability database with replicated storage
Troubleshooting
Chapter 5. Monitoring the Cluster Health
Cluster services and performance
Monitoring the node status
Monitoring the resources
Chapter 6. Measuring and Increasing Performance
Setting up a sample database
Introducing initial cluster tests
Measuring and improving performance
Moving to an A/A cluster
Index