Well… Many people don't really understand this Black Hole Data. Conceptually speaking, after the data "disappears" as if it fell into a black hole due to special reasons, it is like it has fallen into a black hole, and we use special means and special methods to retrieve the lost data, right. It is a particularly important operation for many people!
Let’s talk about the key content. The first module is to detect which part of the test. You need to figure out what kind of data is that it “falls into the black hole.” First of all, the hardware is damaged, and this is troublesome! For example, if the hard disk is physically damaged, the motor is not very smart, and the disk is clicking and the situation is clicking. This requires experts with professional tools and rich maintenance experience to take action! We need to make a precise judgment and accurately find the damaged location.
Another module is aimed at the software failure status. You think if the operating system suddenly crashes and the program accidentally deletes the wrong file, causing the data correlation path to become messy, you have to restore the original data index and repair the file system structure that has problems. Let's talk about professionalism. Generally, mainstream file systems such as ext4 and NTFS must be repaired to their original appearance.
Another important module next is data acquisition and repair. After the previous inspection and diagnosis, the situation can be clarified, fragmented data can be extracted through tools. Different storage media should use different corresponding tools and methods. You should carefully turn and search for old-fashioned hard drives, and there are other high-tech things to do with SSDs.
Next, I will have a question and answer. Some people may ask, is the difficulty of recovery of different memory? The difference is far! There is a huge difference between ordinary memory and hard drive! Simple drops of RAM and SRAM can recover quickly. With the existence of complex and various factors, mechanical hard drives are another scene! Some problems are sudden and need to be dealt with urgently, and some are easy to be slow
Someone asked again what if the data is overwritten? If it is covered for a short time, it is possible to restore it through specialized technical means. However, if the new data completely replaces the old data clearly, it will be "it is hard to save the gods"!
And what if the data is lost in the network disk cloud? Some cloud platforms have their own garbage station backup and recycling mechanisms, so can they be retrieved. However, some data disappears when it enters the cloud, and it is difficult to deal with this kind of data.
Why are the recovery costs of different companies vary greatly? Conscientious people pay attention to technology and labor costs. They just want to make profits. Good technology and equipment are all high-end tools. The company will definitely have high prices.
Does anyone need to do something after the recovery is successful? We must make good classification planning of data, take safety defense measures, etc. Otherwise, what if there is any situation in the future, what should I do?
I personally believe that Black Hole Data is really a big deal! We must do a good job in data basic backup work to minimize the risk of loss. In this way, we will not be able to do it in a "slight" manner. If you really encounter an irreversible situation, you must use advanced methods to remedy it. At the same time, when you encounter big trouble, you must choose a good professional service.
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