Case:
Use 1T Western data hard disk, the system environment is Windows, and the file system is NTFS/FAT.When reading a file, it must be successful after a long time, and sometimes even fails to read. After testing, the hard disk has a physical bad channel.
Solution:
The engineer uses a dedicated equipment to evaluate the damage of the physical bad sectors of the hard disk: only reads only the good sector, and reads the most existing and intact data blocks in the shortest time;Seels; continue to control the data blocks that have not been read before reading the magnetic head repeatedly; logical analysis and verification of the full mirror of the hard disk backup of the device.Successfully restore data.