DFS(R) and Replication (Windows)

The Distributed File System Replication (DFS(R)) service is a multi-master replication engine used to maintain synchronized folders on multiple servers. Replicating data to multiple servers increases data availability and provides users in remote sites with fast, reliable access to files.

If you are creating GuardPoints in a DFS(R) environment, you must first add the DFS(R) private folder guard path to the exclusion list in the Windows Registry. LDT should not attempt data transformation on this read-only directory.

1. Using the Registry Editor, or the Windows command line, add a registry entry in: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Vmmgmt\Parameters named "LDTExclusionGPList" of type REG_MULTI_SZ.

2. Add the DfsrPrivate and System Volume Information directory path to the LDTExclusionGPList.

   For example, if the DFS(R) private directory path is D:\data\DfsrPrivate, add this string in LDTExclusionGPList.

3. Reboot the system to make the change take effect.

   Note

   LDT does not perform a rekey on the DFS(R) private directory. Its rekey status is always ”N/A”.

If an application, or user, is performing a rename or a delete folder operation inside a GuardPoint with an LDT policy, this may restart the rekey process. Files which are already rekeyed will not be rekeyed again.

• If a rename or a delete operation is already performed on rekeyed files/folder, then the rekey process does not restart.

• If a rename or delete operation is performed in a folder where a rekey is in progress, LDT needs to stop the rekey process and restart the rekey again.