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PowerProtect Data Manager 19.12 Oracle RMAN User Guide

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Assign a preferred node in Oracle RAC environment

In an Oracle RAC environment, it is recommended that you assign one node to be the preferred backup node for Oracle centralized backups. You can assign the preferred backup node by setting an asset-level option in the PowerProtect Data Manager UI.

About this task

An update of PowerProtect Data Manager from a previous version automatically migrates a RAC_BACKUP_NODE_IP parameter setting in the configuration file to the preferred node setting on the Assets page in the PowerProtect Data Manager UI. If you later modify the preferred node setting in the UI, the UI setting takes precedence over the original parameter setting in the configuration file.

NOTE

You can only set the asset-level option in the PowerProtect Data Manager UI version 19.12 or later.

The preferred node setting in the PowerProtect Data Manager UI takes precedence over a RAC_BACKUP_NODE_IP parameter setting in the configuration file for the same asset. Configuration file requirements for connection to local databases provides details about the RAC_BACKUP_NODE_IP parameter.

In the PowerProtect Data Manager UI, when you select Infrastructure > Assets and then click the Oracle tab, the Name column on the Assets page lists the Oracle application assets. Each asset name in that column is an Oracle database or instance name for a stand-alone system or a unique database name for a RAC system.

Use the following procedure to assign a preferred node for centralized backups of a selected Oracle database asset in the RAC environment.

Steps

  1. In the PowerProtect Data Manager UI, select Infrastructure > Assets, and then click the Oracle tab.
  2. Select the required asset with the host type RAC by clicking the check box next to the asset name.
    If you select more that one asset on the Assets page, the option to assign a preferred node is disabled.
  3. Select More Actions > Assign Preferred Node.
  4. In the Assign Preferred Node for <asset_name> dialog box, select the preferred node from the list in the Nodes field.
    To change the Nodes field value, select a different node name from the nodes list or click Clear to delete the field value.
  5. Click Save in the Assign Preferred Node for <asset_name> dialog box.

Results

After you assign the preferred RAC node by using this procedure, the node is used for backups of the selected asset during subsequent Oracle centralized backups.

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