Managing Services and Monitoring Hosts
You can manage the following status and indicators of all services (including role instances) and hosts on the MRS Manager:
- Status information: includes operation, health, configuration, and role instance status.
- Metric information: includes key monitoring metrics for services.
- Metric export: allows you to export monitoring reports.
Set an automatic refresh interval or click for an immediate refresh.
The following refresh interval options are supported:
- Refresh every 30 seconds
- Refresh every 60 seconds
- Stop refreshing
Managing Service Monitoring
- On MRS Manager, click Services.
The service list includes Service, Operating Status, Health Status, Configuration Status, Roles, and Operation are displayed in the component list.
- Table 1 describes the service operating status.
- Table 2 describes the service health status.
Table 2 Service health status Status
Description
Good
Indicates that all role instances in the service are running properly.
Bad
Indicates that the running status of at least one role instance is Faulty or the status of the service on which the current service depends is abnormal.
Unknown
Indicates that all role instances in the service are in the Unknown state.
Concerning
Indicates that the background system is restarting the service.
Partially Healthy
Indicates that the status of the service on which the service depends is abnormal, and APIs related to the abnormal service cannot be invoked by external systems.
- Table 3 describes the service health status.
Table 3 Service configuration status Status
Description
Synchronized
The latest configuration takes effect.
Expired
The latest configuration does not take effect after the parameter modification. Related services need to be restarted.
Failed
The communication is incorrect or data cannot be read or written during the parameter configuration. Use Synchronize Configuration to rectify the fault.
Configuring
Parameters are being configured.
Unknown
Current configuration status cannot be obtained.
By default, the Service column is sorted in ascending order. You can click the icon next to Service, Operating Status, Health Status, or Configuration Status to change the sorting mode.
- Click a specified service in the list to view its status and metric information.
- Customize monitoring metrics and export customized monitoring information.
- In the Charts area, click Customize to customize service monitoring metrics.
- In Period area, select a time of period and click View to view the monitoring data within the time period.
- Click Export to export the displayed metrics.
Managing Role Instances
- On MRS Manager, click Services and click the target service name in the service list.
- Click Instance to view the role status.
The role instance list contains the Role, Host Name, OM IP Address, Business IP Address, Rack, Operation Status, Health Status, and Configuration Status of an instance.
- Table 4 shows the configuration status of a role instance.
Table 4 Role instance status Status
Description
Started
The role instance has been started.
Stopped
The role instance has been stopped.
Failed to start
Failed to start the role instance.
Failed to stop
Failed to stop the role instance.
Decommissioning
The role instance is being decommissioned.
Decommissioned
The role instance has been decommissioned.
Recommissioning
The role instance is being recommissioned.
Unknown
Indicates initial role instance status after the background system restarts.
- Table 5 shows the health status of a role instance.
Table 5 Role instance health status Status
Description
Good
The role instance is running properly.
Restoring
The background system is restarting a role instance.
Bad
The role instance is abnormal. For example, the port cannot be accessed if PID does not exist.
Unknown
The host where a role instance resides does not connect to the background system.
Partially Healthy
The role instance is partially running properly.
- Table 6 shows the configuration status of a role instance.
Table 6 Role instance configuration status Status
Description
Synchronized
The latest configuration takes effect.
Expired
The latest configuration does not take effect after the parameter modification. Related services need to be restarted.
Failed
The communication is incorrect or data cannot be read or written during the parameter configuration. Use Synchronize Configuration to rectify the fault.
Configuring
Parameters are being configured.
Unknown
Current configuration status cannot be obtained.
By default, the Role column is sorted in ascending order. You can click the sorting icon next to Role, Host Name, OM IP Address, Business IP Address, Rack, Operating Status, Health Status, or Configuration Status to change the sorting mode.
You can filter out all instances of the same role in the Role column.
You can set search criteria in the role search area by clicking Advanced Search, and click Search to view specified role information. Click Reset to clear the search criteria. Fuzzy search is supported.
- Table 4 shows the configuration status of a role instance.
- Click the target role instance to view its status and metric information.
- Customize monitoring metrics and export customized monitoring information.
- In the Charts area, click Customize to customize service monitoring metrics.
- In Period area, select a time of period and click View to view the monitoring data within the time period.
- Click Export to export the displayed metrics.
Managing Hosts
- On MRS Manager, click Hosts to view the status of all hosts.
The host list contains the host name, management IP address, service IP address, rack, network speed, operating status, health status, disk usage, memory usage, and CPU usage.
By default, the Host Name column is sorted by host name in ascending order. You can click the sorting icon next to Host Name, OM IP Address, Business IP Address, Rack, Network Speed, Operating Status, Health Status, Disk Usage, Memory Usage, or CPU Usage to change the sorting mode.
You can set search criteria in the role search area by clicking Advanced Search, and click Search to view specified role information. Click Reset to clear the search criteria. Fuzzy search is supported.
- Click the target host in the host list to view its status and metric information.
- Customize monitoring metrics and export customized monitoring information.
- In the Charts area, click Customize to customize service monitoring metrics.
- In Period area, select a time of period and click View to view the monitoring data within the time period.
- Click Export to export the displayed metrics.
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