Case:
The RAID5 No. 0 disk of 4 plates makes the final line, and the hard disk does not recognize after the launch 1 and 2 is forced to be launched.
Solution:
After the engineer’s test, the No. 0 plate is OK, and the magnetic head of the No. 1 and 2 is aging. There is a slight bad -sector engineer No. 3 to make a mirror No. 3, and then replace the magnetic head on the No. 1 and 2.Tools are reorganized, data recovery is successful!