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 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.
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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’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 Administrator’s Guide. |
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Before you continue, review all cluster-related information provided in the Quest NetVault Administrator’s Guide to understand how the following information works with Oracle Server Failover Cluster functionality. |
Use the following topics to install the plug-in:
The following prerequisites must be met before you install Plug‑in for Oracle in a clustered environment:
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Oracle Failover clustering environment in place: You must have a properly configured Oracle Cluster environment. |
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Separate NetVault Server machine: The machine that is to serve as the NetVault 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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