Case:
Three Dell RAID, the operating system is linux, the file system is wrong, the data is lost after FACK
Solution:
1. Backup: Full mirroring the fault storage in the way of reading; 2. If you need to restore the directory structure, you need to restore the lost file node before you need to restore the data., After the recovery data, there will be another storage body. 4. Verify the resumed data to confirm its correctness