File management system

Abstract

The invention provides a file management system which comprises a file management module, a bad block management module, a file system driving module and a chip driving module, the file management module and the bad block management module are both connected with the file system driving module, and the chip driving module is connected with the file system driving module. The file management moduleis used for introducing a cyclic write-in mechanism to store files and finishing creating, reading, writing, deleting and retrieving functions. The bad block management module is used for reading anddetecting a bad block of the flash chip so as to avoid using the bad block again to store data. The file system driving module is used for providing a standard interface for the file management module to call. And the chip driving module is used for compiling an interface function according to the interface instruction specified by the file system driving module and finishing the operation of thefile system driving module on the chip. A cyclic writing mechanism is introduced, frequent use of one storage area for data storage is avoided, and the service life of the flash chip is prolonged.

Description

technical field [0001] The invention relates to the field of data management, in particular to a file management system. Background technique [0002] At present, the boards on the existing track equipment have different principles in the field of data storage. Generally, the data storage area and storage method are customized according to the needs of each board. For a single type of data, multiple areas are usually backed up. , to prevent damage. Boards with multiple data types are stored in segments, and use simple indexes to find data, which is relatively weak in terms of security. Moreover, the uneven storage mechanism in each board also brings great difficulties to the maintenance of subsequent equipment, and the equipment is prone to data corruption and data loss in actual use. Under the conditions of tight hardware resources of equipment boards, data bit flip characteristics of flash chips, and unexpected power failure of equipment, there is no suitable data manage...

AI Technical Summary

Problems solved by technology

Boards with multiple data types are stored in segments, and use simple indexes to find data, which is relatively weak in terms of security

Moreover, the uneven storage mechanism in each board also brings great difficulties to the maintenance of subsequent equipment, and the equipment is prone to data corruption and data loss in actual use.

Under the conditions of tight hardware resources of equipment boards, data bit flip characteristics of flash chips, and unexpected power failure of equipment, there is no suitable data management system to use, and the read, write, and erase of the chip adopt a repetitive mechanism, and the service life of the chip is relatively long. short

Images