[[jmx-high-availability]]
.MBean High Availability (org.neo4j.management.HighAvailability) Attributes
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|===
|Name|Description|Type|Read|Write
5.1+^e|Information about an instance participating in a HA cluster
|MachineId|The identifier used to identify this machine in the HA cluster|String|yes|no
|Master|Whether this instance is master or not|boolean|yes|no
|ConnectedSlaves|(If this is a master) Information about the instances connected to this instance|http://components.neo4j.org/neo4j-enterprise/{neo4j-version}/apidocs/org/neo4j/management/SlaveInfo.html[org.neo4j.management.SlaveInfo][] as http://docs.oracle.com/javase/6/docs/api/javax/management/openmbean/CompositeData.html[CompositeData][]|yes|no
|InstancesInCluster|Information about all instances in this cluster|http://components.neo4j.org/neo4j-enterprise/{neo4j-version}/apidocs/org/neo4j/management/InstanceInfo.html[org.neo4j.management.InstanceInfo][] as http://docs.oracle.com/javase/6/docs/api/javax/management/openmbean/CompositeData.html[CompositeData][]|yes|no
|LastUpdateTime|The time when the data on this instance was last updated from the master|String|yes|no
|===
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|===
|Name|Description|Type|Read|Write
5.1+^e|Information about an instance participating in a HA cluster
|MachineId|The identifier used to identify this machine in the HA cluster|String|yes|no
|Master|Whether this instance is master or not|boolean|yes|no
|ConnectedSlaves|(If this is a master) Information about the instances connected to this instance|org.neo4j.management.SlaveInfo[] as CompositeData[]|yes|no
|InstancesInCluster|Information about all instances in this cluster|org.neo4j.management.InstanceInfo[] as CompositeData[]|yes|no
|LastUpdateTime|The time when the data on this instance was last updated from the master|String|yes|no
|===
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.MBean High Availability (org.neo4j.management.HighAvailability) Operations
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|===
|Name|Description|ReturnType|Signature
|update|(If this is a slave) Update the database on this instance with the latest transactions from the master|String|(no parameters)
|===
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|===
|Name|Description|ReturnType|Signature
|update|(If this is a slave) Update the database on this instance with the latest transactions from the master|String|(no parameters)
|===
endif::nonhtmloutput[]

