If you want to build something like that, http://www.ibiblio.org/pub/Linux/utils/file/ras-1.03.tar.gz http://www.ibiblio.org/pub/Linux/utils/file/ras-1.03.tar.g

If you want to build something like that, http://www.ibiblio.org/pub/Linux/utils/file/ras-1.03.tar.gz http://www.ibiblio.org/pub/Linux/utils/file/ras-1.03.tar.gz can provide the redundancy support.