Case:
The customer uses the HP server and uses RAID5 made by 4*500G Hitachi. During the period, a hard disk was turned on red light, and the customer did not replace the hard disk in time, causing the RAID array to collapse.
Solution:
Data center engineers make all the data of each disk for mirror processing, and no bad disk is found between the hard disk; the structural characteristics of the file system analyzes the RAID information, and then removes the bad hard disk, and the virtual RAID bad situation is re -built; the detection data is detected;Finally, all the data are introduced to the new hard disk prepared by customers, and the operation is completely normal.