Maybe it is because not enough understanding of the data center security, our company had no results later in the things that our company finally lay emphasis on this problem. Now the company has data center security the, many important documents will be put in there, regardless of who has what important documents are to be preserved in the data center security. Because there had some accidents, the company many important documents are lost, on our public Huai caused very great harm, so now we have data center security, will put all the important files are stored in the data center security.