The DFS Replication service is designed to interoperate with the backup/restore interfaces exposed by the Windows Volume Shadow Copy Service (VSS). This facilitates consistent backup and restore operations on replicated data.
This series of blog posts explore how backups can be taken of replicated data and the manner in which data can be restored. This first article explains a few backup/restore specific terms that will be used frequently in the following articles in the series.
System State Backup (Critical Volumes Backup): System state includes more data on Windows Server 2008 than in the Windows Server 2003 operating system. In Windows Server 2008, the system components which contribute to system state may depend on the configuration of the computer. System state data includes at least the following and may include additional data that is configuration dependent:[…]