1. Setting Up High Availability Clustering
  2. Installing and Configuring Pacemaker and Corosync
  3. Enabling Access to the Pacemaker and Corosync Packages

Enabling Access to the Pacemaker and Corosync Packages

The Pacemaker and Corosync packages are available on the Oracle Linux yum server in the ol9_addons repository, or on the Unbreakable Linux Network (ULN) in the ol9_arch_addons channel.

Some dependency packages may be required from the ol9_appstream and ol9_baseos_latest yum repositories, or from the ol9_arch_appstream and ol9_arch_baseos_latest channels on ULN.

Enabling Repositories With ULN

If you are registered to use ULN, use the ULN web interface to subscribe the system to the appropriate channels.

To subscribe to the ULN channels:

  1. Log in to https://linux.oracle.com with your ULN user name and password.

  2. On the Systems tab, click the link named for the system in the list of registered machines.

  3. On the System Details page, click Manage Subscriptions.

  4. On the System Summary page, select each required channel from the list of available channels and click the right arrow to move the channel to the list of subscribed channels. Subscribe the system to the following channels:

    • ol9_arch_appstream

    • ol9_arch_baseos_latest

    • ol9_arch_addons

  5. Click Save Subscriptions.

Enabling Repositories With the Oracle Linux Yum Server

If you are using the Oracle Linux yum server for system updates, enable the appropriate Oracle Linux yum repositories.

To enable the yum repositories:

  1. Enable the following yum repositories:

    • ol9_appstream

    • ol9_baseos_latest

    • ol9_addons

    Use the dnf config-manager tool to enable the yum repositories: 

    sudo dnf config-manager --enable ol9_appstream ol9_baseos_latest ol9_addons