In FusionInsight,What is the possible cause for Alarm 12010 Manager Heartbeat Interruption Between the Active and Standby Nodes

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The link between the active and standby Managers is abnormal.

Other related questions:
In FusionInsight,What time does Alarm 12010 Manager Heartbeat Interruption Between the Active and Standby Nodes occur
This alarm is generated when the active Manager does not receive the heartbeat signal from the standby Manager within 7 seconds. This alarm is cleared when the active Manager receives heartbeat signals from the standby Manager.

In FusionInsight,What is the possible cause for Alarm 12006 Node Fault
The disk space is insufficient.

In FusionInsight,What is the impact on system of Alarm 12011 Manager Data Synchronization Exception Between the Active and Standby Nodes
Some configurations will be lost after an active/standby switchover because the configuration files on the standby Manager are not updated. Maybe the Hive, Oozie, and Manager cannot run properly.

In FusionInsight,How to find and log in to the active and standby management nodes?
1.Use PuTTY to log in to the management node as user root using the IP address of FusionInsight Manager. 2.Run the following command to find the active and standby management nodes. sh /opt/huawei/Bigdata/om-0.0.1/sbin/status-oms.sh The server is the active management node if the parameter value of HA_active in the displayed information is active. For example, mgtomsdat-sh-3-01-1 displayed in the following information is the active management node. The server is the standby management node if the parameter value of HA_active in the displayed information is standby.

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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