Installing BlackBerry Enterprise Service 10 for high availability
High availability uses redundant hardware and software to maintain functionality when elements of a system stop responding. High availability helps you to minimize downtime by providing redundant BlackBerry Enterprise Service 10 components with an integrated health management system. Incorporating high availability into the BlackBerry Enterprise Service 10 is the fastest way for you to restore BlackBerry Enterprise Service 10 functionality in the event of a critical component failure.
High availability of the BlackBerry Enterprise Service 10 consists of, at a minimum, two BlackBerry Enterprise Service 10 instances and the BlackBerry Enterprise Service 10 databases mirrored across two database servers.
The primary BlackBerry Enterprise Service 10 connects to the principal BlackBerry Enterprise Service 10 databases and accesses data from them. The name of the mirror BlackBerry Enterprise Service 10 databases is stored in the Windows registry of the computers that host the primary and standby BlackBerry Enterprise Service 10 instances.
BlackBerry Enterprise Service 10 instances do not connect to the mirror BlackBerry Enterprise Service 10 databases until after the principal BlackBerry Enterprise Service 10 databases stop responding.
The standby BlackBerry Enterprise Service 10 opens standby connections to the principal BlackBerry Enterprise Service 10 databases.
There are both benefits and limitations to this type of deployment.
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