Case:
A technology company’s Dell R720 server originally made of RAID5 made of 4 hard disks. One day Windows 2008 Server system cannot be started normally. The maintenance personnel can use the Dell’s guidance CD to reconstruct the RAID and reinstall the Windows 2008 Server.The data is all gone, and the server has a few years of financial data in the server.
Solution:
After the failure, the customer contacts the company with the data recovery company, because it is not clear that the system cannot be started because of what is caused by what is caused. For data security, the PC-3000 SAS has made a full mirror image on all hard disks. There are two hard disks in the mirror process.There are a small amount of bad ducts. It is estimated that the system failure at the beginning is also caused by this. After the mirror is complete, the RAID information before the system is analyzed. The user description is almost consistent.Structural RAID5, guide the database required by the user after using a professional recovery tool virtual RAID5. It is found that some of the original databases have been damaged. It is caused by the data written after the reinstalled system.The data is restored here.