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Method of continuous recording and reserving data changing by data map

A technology for retaining data and data, applied in the direction of responding to errors, etc., can solve problems such as unavailability, inability to achieve results, inability to continuously record and retain data modification content, etc., to save time and space.

Inactive Publication Date: 2008-10-01
张健 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Then, the inability to continuously record and retain the data modification content at each point in time will bring a series of inconvenience and difficulties to people using computers.
If you encounter possible defects in your own operating system and application software, computer viruses and hackers, computer system crashes caused by limited user skills, and use of computers to commit crimes, it is impossible to restore the computer to the state before the computer was destroyed. State at any point in time, resulting in unusability or inability to achieve results, cannot protect the computer's operating system and data, and cannot overcome these difficulties and results simply by being able to restore it to its original state

Method used

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  • Method of continuous recording and reserving data changing by data map
  • Method of continuous recording and reserving data changing by data map
  • Method of continuous recording and reserving data changing by data map

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Experimental program
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Embodiment Construction

[0016] Between the computer operating system and the memory, a data map or map index composed of A record and B record is established.

[0017] First, define a data unit as 1 sector or multiple sectors, such as 40 sectors, assuming that the number of sectors in the hard disk is N, then the number of data units is N / 40; secondly, define the time point (time parameter ) variable P=0, indicating the moment when the data map is created; again, the format of the created data map is a set of A records and B records. See figure 2 shown. From the time flow point of view, from Monday to Sunday, the A record and B record of the original data map have been established along the way; when you need to check the data at a certain point in time, such as the data on Wednesday, you can find the data on Wednesday through the original data map , and then calculate and build a new data map to replace the original data map. Of course, the present invention is not limited to figure 2 the cont...

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Abstract

The invention relates to an approach of using PC to record and storage continuously changing data. Recording units in the invention includes record A and B. A is to record the last updating time and which record unit while B is to record that the record unit is in which time point and which record unit. So data map is built between operating system and memorizer. Data can be accessed and modified by using memorizer through data map. Adopting the invention, each time point can be rapidly got back to seek needed data, prevent virus intrusion and look for hacker proof. It can record plenty of data in a limited space to save space and time.

Description

technical field [0001] The invention relates to a recording method, in particular to a method for recording and retaining continuously changing data by using a computer. Background technique [0002] Existing computers store data mainly by storing the current data and recording the last content of the data. As for how many times the data has been modified and the content of the modification before the final storage, it cannot be reflected at all. If you want to reflect how many times the data has been modified and the modified content, you need to back up the data at each time point, which increases the redundancy of the data many times, and requires very high storage space. The time required to make a backup is also very long, affecting the speed of work. If the data is 1G, then 100G space is required to record 100 time points, and the total time required is the time to write 100G data, which takes 100 minutes on an ordinary computer, which is obviously not suitable for pe...

Claims

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Application Information

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IPC IPC(8): G06F11/07
Inventor 张健孙汉翔沈文
Owner 张健
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