Operation
The first time the R1Soft Continuous Data Protection application is used on a new backup target computer it creates a replica of all data and structure on disk to a disk-based backup repository. After this initial replica the application uses a volume filter device driver to track block level deltas between scheduled synchronizations. The next scheduled backup operation involves creating a point in time snapshot and reading the deltas as tracked by the volume filter device driver. Synchronizations can be scheduled as frequently as every 15 minutes for an entire server. The application is known for its simple web based interface. Microsoft Volume Shadow Copy Service is used on Windows to take a point in time snapshot. On Linux a proprietary Linux kernel module is used.
Read more about this topic: R1Soft Continuous Data Protection
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