Background
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For secure by default, IBM i systems are shipped to not allow adding of systems to a cluster. This setting must be changed on all nodes so that a system can be a part of a cluster. There are two options for allowing nodes to be added to a cluster:
Recommended: Allowing any system to add this node as a node in a cluster, only if the request is authenticated.
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While many environments do not use automatic failover, if this environment will use automatic failover it is possible to configure advanced node failure detection using cluster monitors to detect additional failures such as hardware and power failures by registering for HMC failure events. See configuring advanced node failure detection for additional information.
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