Abstract:

A network file system based on China's proprietary airborne multiple partitions realtime operating system is designed for the file sharing among multiple application computers in the avionics system.The network file lock realizes multiple partitions mutually exclusive access files by locking and unlocking files,the access validation controls user access to files,and the log files save the whole operation process of NFS.The NFS client and server design and the network packing format are described and the schematic NFS is given.

Key words: IMA;network file system;partition