Method for recovering flash memory data at power-off of built-in Linux system
An embedded, flash memory technology, applied to the redundancy in the operation for data error detection, electrical digital data processing, special data processing applications, etc., can solve the problems of file system damage, inconvenience, data loss, etc., to avoid Effects of data loss
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[0016] See attached figure 2 , the present invention aims to create a backup consistent with the factory configuration information for the configuration information that may be modified. When it is detected that the modified configuration information cannot make the system start normally, the backup configuration information is used to restore the factory default configuration. The system can start normally. Mainly take the following two-step measures: the invention proposes a method for recovering flash memory data during a power failure in an embedded Linux system, the method is between the computer, the embedded Linux system and the flash memory device, and between the system file and the flash memory device It is jointly implemented by the JFFS2 file system serving as the conversion layer. In some solutions of the embedded Linux system, the flash device file system has only one partition, that is, the root file system, and its loading method is readable and writable. The...
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