1. A method comprises: obtaining a directory file; determining a new snapshot identifier (ID) for the directory file; identifying a version of a filename to associate with the new snapshot ID; updating the directory file by associating the snapshot ID to the version of the filename to produce an updated directory file; dispersed storage error encoding the updated directory file to produce a set of encoded updated directory file slices; and sending the set of encoded updated directory file slices to a dispersed storage network (DSN) memory for storage.