Strong Secure Virtual File System for Disaster Tolerance

This paper makes a brief analysis about the existing secure file system, and in the view of the problems of these secure file system, this paper designs a kind of disaster-oriented strong secure file system.The system is based on Linux, and it introduces the technology of virtual storage.According to the rationale of stackable file system, it addes the layers of authentication, audit, access control, transparent encryption and disaster tolerant to implement virtual file system which integrates disaster tolerant and strong security.