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FusionInsight HD 6.5.0 Administrator Guide 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Adding a Role Instance

Adding a Role Instance

Scenarios

Add a role instance in either of the following scenarios:

  • Some roles were not installed during cluster installation, and the roles need to be used and deployed now.
  • A new role instance needs to be added for role instance migration.

Prerequisites

The default SSH port No. (22) is used for each node in the cluster. Otherwise, the task in this section will fail.

Impact on the System

Services need to be restarted after the role instance is added to make configurations take effect. These services are unavailable during restart.

Procedure

  1. Log in to FusionInsight Manager.
  2. Choose Cluster > Service.
  3. Click the specified service name on the service management page. On the displayed page, click the Instance tab.
  4. Add the role instance following the wizard.
  5. After adding a role instance, you need to restart the required services.
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Updated: 2019-05-17

Document ID: EDOC1100074522

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