Set Maintenance
Scenario
Users may need to set a specific instance into maintenance mode.
Procedure
1. Log in to the YI-MapReduce management console.
2. Click on My Cluster and choose a running cluster to enter the cluster information page.
3. Click the YI-MapReduce Manager tab, and then select Go to YI-MapReduce Manager.
4. Upon entering the YI-MapReduce Manager, click Cluster Service on the menu to go to the cluster service list.
5. Choose the specific cluster service. Click on the cluster service name to enter the cluster service details page.
6. Click on the Role Instance tab.
7. Check the box in front of the role instance that requires operation.
8. Click on Operate on Selected > Set Maintenance. A set maintenance pop-up will appear. As shown in the figure:
9. Enter notes and click OK.
Note:
– After setting the instance to maintenance, the health status of this instance will be displayed as in maintenance.
– After setting the instance to maintenance, the alarm messages of this instance will be blocked.
Cancel Maintenance
Scenario
Users may need to cancel the maintenance status for a specific instance.
Procedure
1. Log in to the YI-MapReduce management console.
2. Click on My Cluster and choose a running cluster to enter the cluster information page.
3. Click the YI-MapReduce Manager tab, and then select Go to YI-MapReduce Manager.
4. Upon entering the YI-MapReduce Manager, click Cluster Service on the menu to go to the cluster service list.
5. Choose the specific cluster service. Click on the cluster service name to enter the cluster service details page.
6. Click on the Role Instance tab.
7. Check the box in front of the role instance that requires operation.
8. Click Operate on Selected > Cancel Maintenance. The cancel maintenance operation pop-up will appear. As shown in the figure:
9. Enter notes and click OK.