SAS hard disk group RAID5 data recovery case

Case:
A company’s server storage fails, the array of the 13 SAS300GB hard disk arrays is lost, and the Windows2003 system.

Solution:
First of all, all the hard disks of the server were detected. As a result, there were a small amount of physical bad duct 3 and 6 hard disks. The magnetic head of No. 7 hard disk was damaged and the hard disk could not be recognized.The damage to the No. 7 hard disk is the worst, so you do not operate the No. 7 hard disk first, first use the mirror processing of the No. 3 and 6 hard disks, and then analyze whether the No. 7 hard disk is the earlier hard disk.And analysis, it is found that the lack of line 7 is the latest data, and the data can be recovered 100%.