Case:
The operating system is Windows, the file system is NTFS/FAT, and the medium is 1T Hagivia hard disk. The sound of the hard disk suddenly changed from the original normal friction sound to a strange sound.
Solution:
The engineer evaluates the degree of damage to the physical bad sectors of the hard disk.When reading the hard disk again, focus on the sector that is not seriously damaged, and provides higher integrity for the recovery of hard disk data.Continue to control the data blocks that have not been read before repeatedly, and check the lack of recovery of the previous recovery work, and make the data block read as close as possible; conduct logical analysis and verification of the full mirror of the hard disk backup of the device.There are inconsistencies in the file system in the image, and the solutions of the corresponding file system damage are fixed until the data required by the user is migrated.Complete acceptance of recovered data.