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⁠Chapter 3. Cluster Nodes

Table of Contents

3.1. Defining a Cluster Node
3.2. Where Pacemaker Gets the Node Name
3.3. Node Attributes
3.3.1. Setting and querying node attributes
3.3.2. Special node attributes

⁠3.1. Defining a Cluster Node

Each node in the cluster will have an entry in the nodes section containing its UUID, uname, and type.
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Example 3.1. Example Corosync cluster node entry

​<node id="101" uname="pcmk-1"/>
In normal circumstances, the admin should let the cluster populate this information automatically from the communications and membership data.