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assisted-installer-adding-hosts-to-the-cluster.adoc

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Adding hosts to the cluster

You must add one or more hosts to the cluster. Adding a host to the cluster involves generating a discovery ISO. The discovery ISO runs {op-system-first} in-memory with an agent. Perform the following procedure for each host on the cluster.

Procedure

  1. Click the Add hosts button and select the installation media.

    1. Select Minimal image file: Provision with virtual media to download a smaller image that will fetch the data needed to boot. The nodes must have virtual media capability. This is the recommended method.

    2. Select Full image file: Provision with physical media to download the larger full image.

  2. Add an SSH public key so that you can connect to the cluster nodes as the core user. Having a login to the cluster nodes can provide you with debugging information during the installation.

  3. Optional: If the cluster hosts are behind a firewall that requires the use of a proxy, select Configure cluster-wide proxy settings. Enter the username, password, IP address and port for the HTTP and HTTPS URLs of the proxy server.

  4. Click Generate Discovery ISO.

  5. Download the discovery ISO.