ACRONIS Cyber Appliance Quick Start Manual page 16

If one or more nodes are not reachable from the primary node, they will be marked as offline.
In this case, make sure the nodes are powered on and connected to the correct network. The
deployment will be blocked until all nodes are green (which means they can be accessed and
configured from the primary node).
Note
You will be able to configure bonds and VLANs later in the admin panel.
5. Under Join existing cluster, enter the private IP address of the management node and the
administrator password of the existing cluster.
6. During the deployment, the Acronis Cyber Infrastructure versions are compared in the existing
cluster and in the appliance. If there are major discrepancies, you will be asked to specify a
network configuration for access to the Internet. Then, the necessary updates will be
downloaded, and the appliance will be upgraded or downgraded to match the version of the
existing cluster.
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