IBM server disk array failure data recovery case

Case:
A company’s IBM server has been used for 5 years. RAID5 composed of 4 73GB hard disks. The server can run normally the day before. The next day, it was found that the server could not start.

Solution:
After I recovered the center’s hard disk, I tested that there were no hardware failures and no logical damage. The customer also reported that the server had no symptoms before it was broken.Through the detection, it can be determined that the array information caused by the array card failure.After analysis of the original formation parameters, the virtual reorganization array, 2 hours of time, the data recovered successfully, and the customer verified that the data was backup the data to the customer.