1. In a process for updating a replicated destination snapshot of a file system structure with changes in a source snapshot of a file system structure, a method for redirecting users and processes away from the updating replicated destination file system snapshot comprising: creating a read only exported snapshot of the replicated destination snapshot in an active file system, the local snapshot being created after completion of each update of the of the destination snapshot; and providing indirection in an inode lookup procedure for accessing the replicated snapshot so as to direct access to a latest exported snapshot, the indirection redirecting to the latest exported snapshot each time the latest exported snapshot is created by the step of creating.