A Mirror Activator for Oracle system consists of a special variant of the Sybase transaction replication system, which is integrated with a disk replication system (provided by another vendor).
Figure 1-1 shows a typical Mirror Activator for Oracle system configuration. Arrows illustrate the flow of mirrored log device data and replicated transactions during normal Mirror Activator for Oracle system operation, that is, while replicating transactions from the primary database to the standby database.
Figure 1-1: Mirror Activator for Oracle system
The disk replication system is the Mirror Activator for Oracle system component
that moves log data from the primary site to the standby site. Components
of the disk replication system reside at both primary and standby sites.