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AppSync can mount Oracle databases to an alternate mount host, or mount them to an alternate location on the same production host. This section describes considerations regarding these mount options.
Most often, the copies that AppSync creates are mounted to an alternate host, which is known as a mount host. This allows processing to occur on the database without impacting the production database. The mount host can also serve as a mount point for backup operations to an alternate location. The processing can range from backing up the copy to tape, running queries for reporting, testing, or other activities that an offline copy of the database facilitates. As this copy is mounted on a different location, it does not affect the performance of the production database.
The mounting options to service any of these needs are varied and can be extensive. The following sections detail some of the possible mount scenarios.
The AppSync plug-in on the mount host performs the following: