"Yes, mirroring between hard disks is actually to ensure that the data on the two servers is completely consistent. According to the company that made this suggestion, only when mirroring is done, after a certain server fails, the other backup server will automatically take over the work," the man nodded and replied.

Wang Chenyu scoffed at this a little and shook his head and said, "I personally think that the company that proposed this kind of solution may have some understanding of data storage, but it is not comprehensive."

"Oh? Why do you say that?"

"The dual-machine hot standby solution itself has no problem, but the suggestion that they put data on the server hard disk has certain risks for data storage. Because we all know that the hard disk on the server can only be inserted into a limited number of disks, which will inevitably not store too much data, especially if the data grows violently in the future, it will not meet the requirements of your unit. This is one of the first and second, storing data on the server is actually a raid group of several hard disks on the server. When doing raid, there is no special chip on the server, and it can only be completed by plugging into a raid card. The risk is that if this raid card is broken, it will lead to complete data loss and cannot be retrieved." Wang Chenyu talked erotic based on his previous experience.

In fact, at this time, Wang Chenyu did not have any thoughts about the needs of the customs, because in his opinion, since a company is already in contact with customs users and even talks about technical solutions, it means that the company has entered the customs and can be said to be far ahead in progress. If Wang Chenyu wants to intervene, he may encounter great resistance and difficulties. So Wang Chenyu is having a very unpromising exchange with this person named Liu with an indifferent attitude.

The man asked unwillingly: "The raid card is the array card on the server, right? I see that many foreign manufacturers have this option for Party A to choose when configuring the PC server. This shows that the component of the raid card is a product of foreign manufacturers. The quality must be passed, so the probability of failure should not be high? After all, there should be no company in China that can produce this kind of accessories by itself."

Wang Yuchen was a little helpless. The admiration of domestic users for foreign manufacturers’ products is so deeply rooted in people’s hearts. Even the person who works in IT technology in a very unpopular unit thinks so. It can be seen that there is still a long way to go to the domestic product to completely open up the domestic market.

After thinking about this, Wang Chenyu cannot directly point out the mistakes of the other party's idea. He can only change the method and use examples to remind the other party in disguise that he should not be too superstitious about the products of foreign manufacturers.

So Wang Chenyu smiled and said, "The technical advantages of foreign manufacturers in PC servers and PC servers are relatively small. Products like this are usually outsourced to Southeast Asian manufacturers for production. The product quality is uneven, so the quality of raid cards is not as good as we imagined. The simplest example is in Rongcheng, there are several examples of raid cards that I have personally seen that cause user data loss. To take a step back, even if the failure rate of raid cards is quite low, there is still a chance of failure or damage. If the data security is all in the raid card.

In terms of the quality of the ID card, once the raid card fails and is damaged, according to the manufacturer's after-sales service principle, it is just a new one during the warranty period, or a new one is asked to buy another one outside the warranty period, and there will be no promise of compensation for the user's data. However, for users, the loss of data is a big problem. Based on my own personal experience, a Grade A hospital has lost the payment data of outpatient and inpatient patients due to this reason, and a railway bureau's locomotive section monitors the power supply system on the railway line. These are all cases that have happened and have also brought painful losses to users."

The man named Liu had never heard of such a thing before. His mouth was wide open and he looked very surprised and asked, "Is this true? Why have I never heard anyone mention it?"

Wang Chenyu smiled and said, "It is normal that you have never heard of it. If the user's important data is lost, how much trouble will it cause to the user? Therefore, this kind of family scandal is absolutely impossible for the user to make public. Foreign manufacturers are even more unlikely to say that because this will cause other users to have serious doubts and distrust of their products. Competitors will definitely make a big fuss with this kind of thing, so the manufacturer cannot reveal their family scandals."

When the man heard this, he thought Wang Chenyu was right, but immediately raised a question: "How do you know about the family scandal that users and foreign manufacturers are unwilling to disclose?"

At this time, Wang Chenyu finally found his business card from his computer bag and handed it to the other party. At the same time, he introduced himself: "I am now working in this Rongcheng branch of Gongli Technology Group. Our company is the first manufacturer in China to do data storage. If the user and foreign manufacturers just said that, I would definitely not know. But the key is that the two users I mentioned ultimately had to ask our company to help them reply to data because of data loss. So I knew some unknown secret things. Since I learned about these cases of heavy losses from users, I felt particularly disgusted when I heard that the user stored data on the PC server, because this method actually poses a great threat to user data."

The man surnamed Liu was a little confused. He looked at Wang Chenyu's business card over and over again and asked: "According to your opinion, this important data cannot be stored on the PC server, so I want to ask me what I should choose the technical solution next?"

Wang Chenyu explained: "In fact, the solution is one. You must use a dual-machine hot standby system, and let the PC servers pair it up to form a complete dual-machine hot standby system. The one who makes this suggestion must be a company that has a little understanding of data storage and is not proficient in it. They only consider more opportunities to sell products, and ignore the strong desire of the user to protect data, which is actually not in line with the actual needs of the user. According to our experience in professional data storage in China, important data cannot be stored on the server just in case. Instead, a professional data storage device that specializes in storing data should be added to the dual-machine hot standby system, and connected to the two servers of the dual-machine hot standby system. In this way, the security of data will be greatly increased. To take a step back, even if both servers of this dual-machine hot standby system are broken, it means that the front-end cannot be provided normally, but the data is still there and it is impossible to lose it."
Chapter completed!