What types of nodes does FusionInsight comprise?

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The FusionInsight system has three types of nodes: management, control, and data nodes.A management node is a node where FusionInsight Manager is installed. FusionInsight Manager is the management system of a FusionInsight HD cluster and provides a unified access portal to centrally manage nodes and services. A control node controls and monitors how data nodes store and receive data, and send process status, and provides other public functions. A data node executes instructions sent by management nodes, reports task status, stores data, and provides other public functions.

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FusionInsight node types
The FusionInsight system has three types of nodes: management, control, and data nodes.A management node is a node where FusionInsight Manager is installed. FusionInsight Manager is the management system of a FusionInsight HD cluster and provides a unified access portal to centrally manage nodes and services. A control node controls and monitors how data nodes store and receive data, and send process status, and provides other public functions. A data node executes instructions sent by management nodes, reports task status, stores data, and provides other public functions.

How many types of nodes does FusionInsight comprise?
The FusionInsight system has three types of nodes: management, control, and data nodes.A management node is a node where FusionInsight Manager is installed. FusionInsight Manager is the management system of a FusionInsight HD cluster and provides a unified access portal to centrally manage nodes and services. A control node controls and monitors how data nodes store and receive data, and send process status, and provides other public functions. A data node executes instructions sent by management nodes, reports task status, stores data, and provides other public functions.

In FusionInsight,How does Management Node fault impact the system
?If one management node is faulty, active/standby failover occurs in all the major processes on the node, and an active/standby failover alarm and a node fault alarm are generated. For details on the system impact, see Alarm handling. ?When one more management node is faulty, the service is seriously affected. Stop all services that are running and rectify the fault immediately.

In FusionInsight,What is the cause for Alarm 12006 Node Fault
Possible cause are ?The network is disconnected, or the hardware is faulty. ?The time on the NodeAgent node is slow. The fault will be rectified only after the system time is normal

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