Blackberry PRD-10459-003 Administration Guide - Page 111
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Administration Guide Configuring database mirroring 7. To verify that failover works correctly, fail over to the mirror database and back to the principal database manually. After you finish: To permit the mirror BlackBerry Configuration Database to write BlackBerry® Enterprise Server event messages, install the BlackBerry database notification system on the database server that hosts the mirror BlackBerry Configuration Database. For more information, see the BlackBerry Enterprise Server Installation Guide. Start the BlackBerry Enterprise Server instances After you configure the database, permit all BlackBerry® Enterprise Server instances to connect to the principal BlackBerry Configuration Database. 1. On the computers that host the BlackBerry Enterprise Server components, in the Windows® Services, start all of the BlackBerry Enterprise Server services in the following order: • BlackBerry Controller • BlackBerry Router • BlackBerry Attachment Service • BlackBerry Dispatcher • BlackBerry MDS Connection Service • BlackBerry Instant Messaging Connector • BlackBerry Alert • BlackBerry Mail Store Service • BlackBerry User Administration Service • all of the remaining BlackBerry Enterprise Server services 2. Repeat step 1 for each BlackBerry Enterprise Server component that connects to the BlackBerry Configuration Database. Related topics Restarting BlackBerry Enterprise Server components, 327 Configure the BlackBerry Enterprise Solution to support database mirroring When you configure the BlackBerry® Enterprise Solution to support database mirroring, the BlackBerry Administration Service adds a registry key to all of the computers that host BlackBerry® Enterprise Server components in the BlackBerry Domain and the registry key includes the name of the Microsoft® SQL Server® that hosts the mirror database. The BlackBerry Administration Service also adds the name of the Microsoft SQL Server that hosts the mirror database to the BlackBerry Configuration Database. CAUTION: If you click Save all more than once but you do not restart the BlackBerry Enterprise Server services or the computers that host the BlackBerry Enterprise Server components that the BlackBerry Administration Service specifies as Updated, you should restart the BlackBerry Enterprise Server services or restart the computers for all of the BlackBerry Enterprise Server components. Before you begin: The database server that hosts the mirror database must be running. 109
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