In this chapter, we will learn how to automate cluster management and ensure high availability. We will cover the following recipes in this chapter:
- Installing the necessary components
- Configuring Corosync
- Preparing startup services
- Starting with base options
- Adding DRBD to cluster management
- Adding LVM to cluster management
- Adding XFS to cluster management
- Adding PostgreSQL to cluster management
- Adding a virtual IP to hide the cluster
- Adding an e-mail alert
- Grouping associated resources
- Combining and ordering related actions
- Performing a managed resource migration
- Using an outage to test migration
