IBM server RAID5 data

Case:
Customer IBM server, 4 SAS hard disks, 300G.The operating system is: Windows Server 2003 is mainly a file server, and there are several SQL2005 databases.The server cannot start, and the hard disk 3 and 4 report an error.

Solution:
Our engineers conduct physical mirrors of the four hard disks of customers. After testing, the 3 and No. 4 hard disks have a bad session.Analyze the original RAID5 parameter, successfully reorganize, and restore all data, about 700g.