Cluster Control

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

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