Help Center > > User Guide> Managing Active Clusters> Health Check Management> Storm Health Check

Storm Health Check

Updated at: Sep 12, 2019 GMT+08:00

Number of Available Supervisors

Indicator name: Number of Available Supervisors

Indicator description: Check the number of Supervisors in the cluster. If the number of Supervisors in the cluster is less than one, the check result is unhealthy.

Recovery guidance: If the indicator is abnormal, go to the Storm service instance page, click the host name of the unavailable Supervisor instance, and check the host health status in the summary. If the status is good, see ALM-12007 Process Fault to handle the alarm. If the status is not good, see ALM-12006 Node Fault to handle the alarm.

Number of Free Slots

Indicator name: Number of Free Slots

Indicator description: Check the number of idle slots in the cluster. If the number of idle slots in the cluster is less than one, the check result is unhealthy.

Recovery guidance: If the indicator is abnormal, go to the Storm service instance page, and check the Supervisor instance health status. If the status is good, see the capacity expansion guide to perform capacity expansion for the Storm service. If the status is not good, see ALM-12007 Process Fault to handle the alarm.

Service Health Status

Indicator name: Service Status

Indicator description: Check whether the status of the Storm service is normal. If the status is abnormal, the check result is unhealthy.

Recovery guidance: If the indicator is abnormal, see ALM-26051 Storm Service Unavailable to handle the alarm.

Alarm Information

Indicator name: Alarm information

Indicator description: Check whether an uncleared alarm exists in the service. If an uncleared alarm exists on the host, the system is unhealthy.

Recovery guidance: If the indicator is abnormal, you are advised to rectify the fault according to the alarm help.

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