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Synchronizing Role Instance Configuration

Updated at: Apr 28, 2020 GMT+08:00

Scenario

When the Configuration Status of a role instance is Expired or Failed, users can synchronize the configuration data of the role instance with the background configuration.

Impact on the System

After synchronizing a role instance configuration, you need to restart the role instance that had an expired configuration. The role instance is unavailable during the restart.

Prerequisites

IAM user synchronization has been completed. (On the Dashboard tab page of the cluster details page, click on the right side of IAM User Sync to synchronize IAM users.)

Figure 1 IAM User Sync

Procedure

  1. On the MRS cluster details page, click Components.

    Figure 2 Components

    For MRS 1.8.10 or earlier, follow instructions in Synchronizing Role Instance Configuration.

  2. Choose a service name.
  3. Click the Instance tab.
  4. Click the target role instance in the role instance list.
  5. Click More in the upper pane, and select Synchronize Configuration from the drop-down list.
  6. In the dialog box that is displayed, select Restart services or instances whose configurations have expired, and click OK to restart a role instance.

    When Operation succeeded is displayed, click Finish. The service is started successfully.

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