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NetVault Plug-in for SQL Server 10.0.6 - User Guide

Introducing Dell™ NetVault™ Backup Plug-in for SQL Server® Planning your SQL Server deployment Installing and removing the plug-in Configuring the plug-in Backing up data Restoring data Troubleshooting

Standalone deployment

You can set up one machine as both the NetVault Backup Server and the SQL Server® (that is, all software installation and configuration requirements are performed on a single machine). However, Dell recommends that these two entities exist on separate machines.
Publisher: Install the plug-in on this node regardless of the replication type implemented.
Distributor: If you use a Local Distributor, the Distributor is running on the same node as the Publisher. However, if you use a Remote Distributor, install the plug-in on the Distributor host.
Subscriber: If you want to back up the changed data in a Subscriber database, install the plug-in on the Subscriber hosts. This configuration lets you synchronize the Publication database with the Subscription database after recovery. If the plug-in is not installed on the Subscriber nodes, re-initialize all subscriptions to the publications in the Publication database after recovery.

High-availability deployments

This guide does not offer instructions on how to set up NetVault Backup’s Application Cluster Support to administer backups and restores of non-SQL Server-related data and files. This process is not plug-in-specific, and you can find complete details in the Dell NetVault Backup Administrator’s Guide.
Before you continue, Dell recommends that you review all cluster-related information provided in the Dell NetVault Backup Administrator’s Guide. That guides helps you understand how the information included in this guide works with SQL Server Failover Cluster and AlwaysOn Availability Group functionality.
A failover cluster is a combination of one or more nodes (hosts) with two or more shared disks, known as a resource group. The combination of a resource group, its network name, and an IP address that makes up the clustered application or server is called a Virtual Server. A Virtual Server appears on the network as if it were a single computer, but provides failover from one node to different node if the current node becomes unavailable.
IMPORTANT: In NetVault Backup terminology, a cluster node is called a Virtual Client. The references to Virtual Client in Plug‑in for SQL Server are basically references to the Virtual Server in a SQL Server Failover Cluster environment or AlwaysOn Availability Group.

Installing and removing the plug-in

Installation prerequisites

NetVault Backup Server and Client software: At a minimum, the Client version of NetVault Backup software must be installed on the machine configured as the SQL Server.
SQL Server software: The machine must be running a supported version of SQL Server. For a list of supported versions, see the Dell NetVault Backup Compatibility Guide, which is available at http://quest.com/support/.
SQL Server VSS Writer Services: If you want to implement a VSS backup strategy for SQL Server databases, the SQL Server VSS Writer service must be running. The SQL Server VSS Writer is automatically installed. However, the service is not set to start automatically. To enable VSS backups, use the Windows Services utility. Dell recommends that you set the Startup Type for this service to Automatic.
Failover Clustering is only supported with SQL Server® Standard and Enterprise Editions. For more information on installing Failover Clustering, see the Failover Clustering section of SQL Server 20xx Books Online.
Separate NetVault Backup Server machine: The machine that serves as the NetVault Backup Server must be configured and it must exist outside the SQL Server cluster. The machine must have network connectivity to the nodes (hosts) within the cluster.
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