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Chapter 8. Reinstalling an Existing Host as a Self-Hosted Engine Node

You can convert an existing, standard host in a self-hosted engine environment to a self-hosted engine node capable of hosting the Manager virtual machine.

Warning

When installing or reinstalling the host’s operating system, Red Hat strongly recommends that you first detach any existing non-OS storage that is attached to the host to avoid accidental initialization of these disks, and with that, potential data loss.

Procedure

  1. Click Compute Hosts and select the host.
  2. Click Management Maintenance and OK.
  3. Click Installation Reinstall.
  4. Click the Hosted Engine tab and select DEPLOY from the drop-down list.
  5. Click OK.

The host is reinstalled with self-hosted engine configuration, and is flagged with a crown icon in the Administration Portal.

After reinstalling the hosts as self-hosted engine nodes, you can check the status of the new environment by running the following command on one of the nodes: 

# hosted-engine --vm-status

If the new environment is running without issue, you can decommission the original Manager machine.

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