JPH04264645A - Data management method - Google Patents

Abstract

PURPOSE:To enable a monitor means to monitor a copy means, to give an operation instruction to a collation means at aribitrarily given collating timing, to reduce time required for collation and to hold data to be the same. CONSTITUTION:An input means 50 inputs timing when the collation means 40 operates and the monitor means 60 inputs timing when the collation means 40 operates. The monitor means 60 stores timing when the collation means 40 operates and the copy means 30 copies copy source data 11 stored in a copy source storage means 10 to a copy destination data 21 stored in a copy destination storage means 20. The monitor means 60 supervises the operation of the copy means 30. When it is timing when the collation means 40 operates, the collation means 40 collates copy source data 1 to copy destination data 21.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to a data management method,
In particular, the present invention relates to a data management method that has two or more storage means and maintains the same data through copying.

0002

2. Description of the Related Art Generally, two or more storage means are provided, and in order to keep the data stored in each storage means the same, the copy source data stored in the copy source storage means is stored in the copy destination storage means. The data is copied to the copied destination data, and at the same time, the source data and destination data are compared.

[0003] The conventional technology will be explained with reference to the drawings.

FIG. 2 is a block diagram showing an example of a conventional data management method. When there is a change in the copy source data stored in the copy source storage means 10, in order to keep the copy destination data 21 stored in the copy destination storage means 20 the same as the copy source data 11, the copy source data is changed using the copy means 30. Copying is performed from data 11 to copy destination data 21. At this time, in order to confirm whether the data has been completely copied, the collation means 70 collates the copy source data 11 and the copy destination data 21.

[0005]

[Problems to be Solved by the Invention] In the conventional data management method described above, it is difficult to transfer data from the copy source data 11 to the copy destination data 21.
The comparison process requires a huge amount of time in order to compare both data each time the data is copied, and the source data 11 and the destination data 12 cannot be made the same unless the comparison is performed. There is a problem.

[0006]

[Means for Solving the Problem] In the data management method of the present invention, the timing at which the collation means operates is inputted by the input means, the timing at which the collation means operates is stored by the monitoring means, and the data is stored in the copy source storage means. The copied source data is copied by the copying means to the copying destination data stored in the copying destination storage means, the operation of the copying means is monitored by the monitoring means, and if the timing is such that the matching means operates, the matching means The method is characterized in that the copy source data and the copy destination data are verified by the following steps.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the present invention. The copy source storage means 10, the copy source data 11, the copy destination storage means 20, the copy destination data 21, the copy means 30, and the collation means 40 are the same as the elements with the same numbers in the conventional example explained in FIG. The input means 50 has a function of storing the operation timing of the collation means 40 in the monitoring means 60, and the monitoring means 60 monitors the operation of the copying means 30 and instructs the collation means 40 to operate when the operation timing of the collation means 40 is detected. give.

Next, the operation of this data management method will be explained.

First, from the input means 50, when the collation means 4
0 is given to the monitoring means 60 as to when it should operate. Copy source data 1 stored in copy source storage means 10
If there is a change in the data 1, the copying means 30 copies it to the copy destination data 2 stored in the copy destination storage means 20. The monitoring means 60 has a timing given from the input means 50 at which the collation means 40 operates, and also monitors the operation of the copying means 30, and determines the timing at which the collation means 40 operates and when the copying means 30 operates after the previous collation. If it is working, check means 4
Give operation instructions to 0. The collation means 40 collates the copy source data 11 and the copy destination data 21. By doing so, it is possible to minimize the number of times of verification, reduce the time required for verification processing, and maintain the same data.

[0011] In the above explanation, the timing of verification is input as an example; however, the same is not limited to this, and the same method can be used by using the amount of data copied or the number of times copying is performed. Effects can be obtained.

0012

As explained above, in the present invention, the copying means is monitored by the monitoring means, and an operation instruction can be given to the collation means at an arbitrarily given collation timing, thereby reducing the time required for collation. This also has the effect of keeping the data the same.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 is a block diagram of a conventional example.

[Explanation of symbols]

10 Copy source storage means 11 Copy source data 20 Copy destination storage means 21 Copy destination data 30 Copying means 40 Verification means 50 Input means 60 Monitoring means

Claims (1)

[Claims] 1. The operating timing of the collating means is inputted by the input means, the operating timing of the collating means is stored by the monitoring means, and the copying source data stored in the copying source storage means is transferred to the copying destination storage by the copying means. copying to the copy destination data stored in the means, monitoring the operation of the copying means by the monitoring means, and collating the copy source data and the copy destination data by the collation means when the timing is such that the collation means operates. A data management method characterized by performing the following.