Managing Role Instances

Scenario

You can start a role instance that is in the Stopped, Failed to stop or Failed to start status, stop an unused or abnormal role instance or restart an abnormal role instance to recover its functions.

Prerequisites

You have synchronized IAM users. (On the Dashboard page, click Synchronize on the right side of IAM User Sync to synchronize IAM users.)

Figure 1 Synchronizing IAM users

Procedure

1. On the cluster details page, click the Components tab.
   Figure 2 Components tab page (using MRS 1.9.2 as an example)
   

2. Select the target service from the service list.
3. Click the Instances tab.
4. Select the check box on the left of the target role instance.
5. Click More, select operations such as Start Instance, Stop Instance, Restart Instance, Rolling-restart Instance, or Delete Instance based on site requirements.