When you require multiple backup servers that reside in the same domain to protect your environment, and the high-availability of a cluster-aware environment, the best practice is to install Arcserve Backup using the Primary Server and Member Server installation options into your cluster aware environment. This architecture lets you centrally manage your Arcserve Backup environment and maintain the high availability capabilities of a cluster-aware environment.
A primary server controls itself and one or more member servers. A primary server lets you manage and monitor backup, restore, and other jobs that run on primary and member servers. Using primary and member servers, you can have a single point of management for multiple servers in your Arcserve Backup domain. You can then use the Manager Console to manage the primary server.
Note: Microsoft SQL Server 2008 Express Edition does not support remote communication. When you install Arcserve Backup using Microsoft SQL Server 2008 Express Edition, the installation wizard installs the database application and the Arcserve database instance on the primary server. To host the Arcserve database instance on a remote system, you must use Microsoft SQL Server.
The following diagram illustrates the architecture of a centralized management, cluster-aware environment. The environment consists of a primary server and one or more member servers. The Arcserve database is hosted by Microsoft SQL Server 2008 Express Edition and the database instance resides on the primary server.
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