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NetVault Backup Plug-in for Oracle 12.3 - User Guide

Introducing Quest® NetVault® Backup Plug-in  for Oracle Defining a backup strategy Installing and removing the plug-in Configuring the plug-in Backing up data Using the Oracle Flashback Database Restoring data
Restoring and recovering data: an overview Performing User Managed restores Using advanced User Managed restore procedures Performing RMAN restores Using RMAN types of recovery in a non-RAC environment Using advanced procedures with RMAN restores
Maintaining the Recovery Catalog Using the RMAN CLI Using the plug-in with Oracle RAC Using the plug-in in a failover cluster environment Using the plug-in with Oracle Data Guard Using the plug-in with Oracle Container Databases (CDBs) and Pluggable Databases (PDBs) Troubleshooting

Using the plug-in in a failover cluster environment

Oracle Server Fail Safe Failover Clustering: an overview

Oracle Fail Safe Failover Clustering (Active/Passive) is designed to provide high-availability for an entire Oracle Server instance. For example, you can configure an Oracle Server instance on one node of a failover cluster to fail over to any other node in the cluster during a hardware failure, OS failure, or a planned upgrade.

A failover cluster is a combination of one or more nodes (hosts) with one or more shared disks. Various resources hosted by the nodes, such as IP, shared storage, and an application — Oracle in this case — can be grouped to create a Clustered Service. A Virtual Service appears on the network as if it were a single computer running an application, but provides failover from one node to a different node if the current node becomes unavailable.

IMPORTANT: In NetVault Backup terminology, a clustered service is accessed by a Virtual Client. The references to Virtual Client in Plug‑in for Oracle are basically references to the Clustered Service in the Oracle Server Failover Cluster environment.

Plug‑in for Oracle provides support for Oracle Server Failover Clustering. Using the failover cluster network name, the plug-in is able to identify the current node that is in control of the Oracle Server Clustered Service and target it for backup.

This topic points out differences between the setup and usage of the plug-in in a Failover Cluster environment vs. a traditional one. It mirrors the topics found in the standard instructions, as follows:

The following topics only offer information on Oracle-specific settings required for the use of this plug-in in a Failover Cluster environment. They do not offer instructions on how to set up NetVault Backup’s Application Cluster Support to administer backups and restores of non-Oracle Server-related data and files. This process is not plug-in-specific, and you can find complete details in the Quest NetVault Backup Administrator’s Guide.
Before you continue, review all cluster-related information provided in the Quest NetVault Backup Administrator’s Guide to understand how the following information works with Oracle Server Failover Cluster functionality.

Installing the plug-in

Use the following topics to install the plug-in:

Installation prerequisites

The following prerequisites must be met before you install Plug‑in for Oracle in a clustered environment:

Oracle Failover clustering environment in place: You must have a properly configured Oracle Cluster environment.
Separate NetVault Backup Server machine: The machine that is to serve as the NetVault Backup Server must be properly configured. This machine must exist outside the Oracle Server cluster, but have network connectivity to the nodes (hosts) within the cluster.
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