Case:
The server was first on the yellow light on the 3rd plate. It replaced the No. 3 light disk with a spare disk. It was still not possible. It should be that the array has been dropped.
Solution:
Our company immediately sent the engineer to check the inspection, confirming that the array had fallen, and the hard disk number was numbered and the hard disk was taken out. It was found that there were serious physical bad sectors of the original three and No. 4 disk.The number of hard disks at the same time causes the array to fail. In this case, it can support customer location recovery. First, the hard disk No. 3 4 can be processed, and then the array parameters are analyzed.Array, data recovery is successful.