If your current configuration consists of multiple Arcserve Backup servers that reside on a SAN and share a local or remote Arcserve Backup database, the best practice is to upgrade to a centralized management environment. With a centralized management environment, you can share libraries and a local or remote database.
To upgrade your current SAN environment to a centralized management environment, you must upgrade your current SAN primary server to a Arcserve Backup Primary Server, and then upgrade your SAN distributed servers to Arcserve Backup Member Servers of that particular primary server.
To install member servers, the installation wizard must be able to detect the Arcserve Backup domain name and the primary server name in your environment. You should therefore install Arcserve Backup on at least one primary server before you install the member servers.
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 environment integrated with a SAN and a local or remote Arcserve database.
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