Case:
The data recovery center recently received a relatively old IBM System X3400 server for data recovery. The hard disk is the 146G hard disk of the SAS interface, with a total of 4 pieces.RAID5 of the server group, two of which report an error.The system is Windows Server 2003, and the database is SQL Server 2008, and the system can no longer start.
Solution:
The data recovery center first processed No. 4 hard disk. After opening the disc body, it was found that the plate was severely scratched, and there was no possibility of recovery at all.Look at the No. 3 hard disk, open the disc body, and the plate is not scratched. After finding the same hard disk to replace the magnetic head, there are a small amount of bad ducts, mirror full sector, successful mirror!Then, for the full mirror of No. 1 and 2 hard disks, analyze the original RAID5 parameters. After processing, 100%data recovers successfully!