Data warehouse has become an essential part of the enterprise information management infrastructure. The new paradigm for data warehousing, DW 2.0, recognized the life cycle of data with it, that make data and metadata evolution mechanism became one of the important research and technological issues. The requirements of multi-version management for various data sectors in DW 2.0 are described, and then a metadata meta-model is proposed to support presenting, controlling and comparing versions evolution. In implementation, the functionality with preserving the consistency of metadata repository is shown, based on structural integrity algorithm.