Performing node operations

Available node operations in Automation Suite and guidance on known RHEL kernel issues affecting cluster installation and management.

The following table describes the available node operations and links to the corresponding section.

Documentation	Description
Adding a new node to the cluster	How to scale your deployment by adding additional nodes.
Removing a node from the cluster	How to safely remove a node from the cluster on a multi-node HA-ready production setup.
Repaving a cluster node	How to repave cluster nodes without any risks.
Shutting down a node	How to perform a graceful node shutdown.
Renaming a node	Best practices for renaming nodes.

Important:

RHEL kernel version kernel-4.18.0-477.10.1.el8_8 is affected by an issue that interrupts the installation or management of the Automation Suite cluster. Make sure that none of the Automation Suite nodes uses this kernel version either pre- or post-installation. You can update the kernel version by running the following command:

dnf install -y kernel kernel-tools kernel-tools-libs