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# > Oggetto nodo ad alta disponibilità

L'oggetto seguente è correlato al funzionamento di un cluster a disponibilità elevata
dei server Zabbix.

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### High availability node

::: noteclassic
Nodes are created by the Zabbix server and cannot be
modified via the API.
:::

The High availability node object has the following properties.

|Property|[Type](/manual/api/reference_commentary#data_types)|Description|
|--------|---------------------------------------------------|-----------|
|ha\_nodeid|string|ID of the node.|
|name|string|Name assigned to the node, using the HANodeName configuration entry of zabbix\_server.conf. Empty for a server running in standalone mode.|
|address|string|IP or DNS name where the node connects from.|
|port|integer|Port on which the node is running.|
|lastaccess|integer|Heartbeat time, t.i. time of last update from the node. UTC timestamp.|
|status|integer|State of the node.<br><br>Possible values:<br>0 - standby;<br>1 - stopped manually;<br>2 - unavailable;<br>3 - active.|

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