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<h1 class="topictitle1">Cluster node</h1>
<div><p>A <dfn class="term">cluster node</dfn> is an iSeries™ system or logical partition that
is a member of a cluster.</p>
<p>Each cluster node is identified by an 8-character cluster node name that
is associated with one or more IP addresses that represent an iSeries system.
When configuring a cluster, you can use any name that you want for a node
in the cluster. However, it is recommended that the node name be the same
as the host name or the system name.</p>
<p>Cluster communications makes use of the TCP/IP protocol suite to provide
the communications paths between cluster services on each node in the cluster.
The set of cluster nodes that are configured as part of the cluster is referred
to as the cluster membership list.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaigconceptselements.htm" title="An iSeries cluster is a collection of one or more systems or partitions that work together as a single system. Use this information to understand the elements and their relationship to each other.">The elements of a cluster</a></div>
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