JPH05225025A - File save and restore system - Google Patents

Abstract

PURPOSE:To enable an operator having no expert knowledge to easily save and restore a file. CONSTITUTION:Each time a file is added to or deleted in a magnetic disk 6, a magnetic disk management means 1 stores volume management information of the magnetic disk 6 in the magnetic disk 7. At the time of saving, a utility selective execution means 2 obtains the organization format of the save object file on the magnetic disk based on volume management information in the magnetic disk 7 and selects and executes a saving utility program corresponding to this format to save the file on a magnetic tape 9. At the time of restoring the file saved on the magnetic tape 9, the organization format of the file on the magnetic tape 9 is obtained based on save condition management information in the magnetic disk 8, and thereafter, a restoring utility program corresponding to this format is selected and executed to restore the file on the magnetic disk 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file saving / restoring system.

[0002]

2. Description of the Related Art Conventionally, when saving or restoring a file, an operator selects a utility program for saving or restoring corresponding to the organization style of a file to be saved or restored, and further selects the selected utility program. , JCL to specify save destination medium, restore destination medium, etc.
A general method is to create a (job control language) and submit it to the system.

FIG. 4 is a diagram for explaining an example of the above conventional method.

First, as shown in FIG. 4A, the volume management information 43 (volume name of the magnetic disk 41, file name of the stored file, The knitting style) is read out by the operator's operation 42.

When the volume management information 43 is read, the operator selects a save utility program corresponding to the organization style of the file to be saved.

Thereafter, as shown in FIG. 4B, the operator uses the input keyboard device 44 to create the JCL 45 for designating the selected utility program, the file to be saved, the medium to be saved, and the like.

Next, the operator inserts the JCL 45 into the system 46 as shown in FIG. 4 (c). As a result, the utility program saves the files stored in the magnetic disk 41 to the save medium 47.

When the file saved in the save medium 47 is restored on the magnetic disk 41, the operator selects the restore utility program corresponding to the file organization mode, and the utility program, A JCL 48 is created that specifies a save destination medium (save medium 47), a restore destination medium (magnetic disk 41), and the like.

Thereafter, the operator inserts the JCL 48 into the system 46, as shown in FIG. 4 (d). As a result, the file saved on the save medium 47 by the restore utility program is restored on the magnetic disk 41.

[0010]

As described above, conventionally, the selection of the utility program to be used, JCL
Since the operator creates the file, there is a problem that the operator is burdened, and there is a problem that only an operator who has specialized knowledge can save and restore.

An object of the present invention is to provide a file saving / restoring method that allows an operator who does not have specialized knowledge to easily save and restore files.

[0012]

In order to achieve the above object, the present invention provides a first managing means for managing the organization mode of files to be saved and a second management means for managing the organization mode of files to be restored. Management means, and at the time of saving, selects and executes a saving utility program based on the organization mode of files to be saved which are managed by the first managing means, and at the time of restoration, the second management A utility selection executing means for selecting and executing a utility program for restoration based on the organization mode of files to be restored managed by the means is provided.

[0013]

At the time of saving, the utility selecting and executing means selects and executes the saving utility program corresponding to the organization mode of the file to be saved which is managed by the first managing means.

At the time of restoration, the utility selection execution means selects and executes the restoration utility program corresponding to the organization mode of the file to be restored which is managed by the second management means.

[0015]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a block diagram of an embodiment of the present invention, in which a magnetic disk management means 1, a utility selection execution means 2, a save / restore medium request means 3, a save status management means 4, a keyboard and a CRT are shown. And the like, magnetic disks 6 to 8 and a magnetic tape 9.

The magnetic disk 6 stores files to be saved.

The magnetic disk management means 1 is a magnetic disk 6
Volume management information (volume name of magnetic disk 6, file name of stored file, organization style, etc.) is read from and stored in the magnetic disk 7.

The utility selection executing means 2 selects a utility program to be used at the time of saving or restoring a file according to the organization format of the file, and creates a JCL instructing the selected utility program, save source medium, and save destination medium. To do. And the created J
The utility program is executed according to CL, and saved and restored.

The evacuation / restoration medium requesting means 3 uses the input / output means 5 as the medium name of the evacuation destination or the restoration destination during evacuation or restoration.
If it is instructed, the utility selection execution means 2 is notified of the instructed medium name.

The evacuation status management means 4 executes the result of the evacuation processing performed by the utility selection execution means 2 (medium name of evacuation source medium, file name of evicted file, organization mode, medium name of evacuation destination medium, etc.). ) Is stored in the magnetic disk 8 as evacuation status management information.

FIG. 2 is a diagram for explaining the operation at the time of saving, and FIG. 3 is a diagram for explaining the operation at the time of restoring. The operation of this embodiment will be described below with reference to the drawings.

When a file is added to or deleted from the magnetic disk 6 during normal operation, the magnetic disk management means 1 reads the volume management information from the magnetic disk 6 and stores it in the magnetic disk 7. Therefore, it is possible to dynamically manage what kind of file is stored in the magnetic disk 6 based on the volume management information stored in the magnetic disk 7.

Next, the operation of saving will be described with reference to FIG.

When saving a file stored on the magnetic disk 6, the operator inputs a saving instruction from the input / output means 5.

When the save instruction is input, the save / restore medium requesting means 3 outputs an inquiry statement to the input / output means 5 to inquire whether it is necessary to specify the save medium (step S1). The operator looks at the inquiry message output to the input / output unit 5 and inputs the medium name of the save medium when it is necessary to specify the save medium.

The saving / restoring medium requesting means 3 notifies the utility selection executing means 2 of the medium name of the saving medium when it is input, and when not inputting it, the utility selection executing means 2 (Step S2).

When the save instruction is input from the input / output unit 5, the utility selection executing unit 2 first reads the volume management information stored in the magnetic disk 7 (step S11).

Next, the utility selection executing means 2 obtains all the organization forms of the files stored in the magnetic disk 6 based on the volume management information read in step S11, and save utilities corresponding to the obtained organization forms. Select each program (step S1)
2). The selection of the utility program is performed by, for example, providing a correspondence table (not shown) between the file organization mode and the utility program for saving in the utility selection executing means 2 and referring to it. Is.

After that, the utility selection executing means 2 creates JCL for instructing the selected utility program, the save destination medium, and the file to be saved for each utility program selected in step S12.
(Step S13).

Here, the save-destination medium is the medium indicated by the save-recovery medium requesting means 3 when the save-recovering medium request means 3 notifies the save-destination medium name, and is predetermined when not notified. Use as a medium. Further, the file to be saved is a file of the organization style corresponding to the selected save utility program among the files on the magnetic disk 6.

Further, the JCL is created, for example, by preparing a JCL template for each file organization mode in advance, and selecting the program name of the utility program selected for the JCL template corresponding to the organization mode of the file to be saved,
This is done by embedding the medium name of the save destination medium and the file name of the file to be saved.

When the JCL is created in step S13, the utility selection executing means 2 executes the evacuation utility program instructed by the JCL to save the file on the magnetic disk 6 instructed by the JCL in the evacuation medium (this file). In the embodiment, the magnetic tape 9 is used as a backup (step S14). When a plurality of JCLs are created in step S13, the above-mentioned processing is performed for each JCL.

When the saving process is completed, the utility selection executing means 2 saves the management information indicating the execution result of the saving process (medium name of save source medium, medium name of save destination medium, file name of saved file, save The evacuation status management means 4 is notified of the file (including the organized format of the file) (step S15).

When the evacuation status management means 4 is notified of the evacuation status management information from the utility selection execution means 2, the evacuation status management means 4 stores it in the magnetic disk 8 (step S21). Therefore, it becomes possible to dynamically manage the evacuation status based on the evacuation status management information stored in the magnetic disk 8.

Next, with reference to FIG. 3, the operation for restoring the file saved in the magnetic tape 9 will be described.

At the time of restoration, the operator inputs a restoration instruction from the input / output means 5.

The evacuation / restoration medium request means 3 is an input / output means 5.
When the restoration instruction is input from, an inquiry sentence for inquiring whether or not to specify the restoration destination medium is output to the input / output unit 5 (step S31). The operator looks at the outputted inquiry text and, if it is necessary to specify the medium of the restoration destination, inputs the medium name.

The evacuation / restoration medium requesting means 3 notifies the utility selection executing means 2 of the medium name of the restoration destination medium when it is input, and notifies the utility selection executing means 2 when it is not input. To do.

When the restoration instruction is input, the utility selection executing means 2 reads the evacuation status management information from the magnetic disk 8 (step S41).

Next, the utility selection executing means 2 obtains all the knitting styles of the files saved on the magnetic tape 9 based on the save status management information read in step S41, and restore utilities corresponding to the obtained knitting styles. Each program is selected (step S42).
The selection of the restoration utility program is performed by, for example, providing a correspondence table (not shown) between the file organization mode and the restoration utility program in the utility selection executing means 2 and referring to it. To do.

Thereafter, the utility selection executing means 2 creates JCL for instructing the selected utility program for restoration, the restoration destination medium, and the file to be restored for each utility program selected in step S42 (step S43).

Here, the restoration destination medium is the medium indicated by the medium name of the restoration destination medium when notified by the save / restoration medium requesting means 3, and is read in step S41 when not notified. It is assumed that the medium (in this example, the magnetic disk 6) is indicated by the medium name of the save source medium included in the save status management information. Further, the file to be saved is a file of the organization style corresponding to the selected restoration utility program among the files saved on the magnetic tape 9.

When the JCL is created in step S43, the utility selection executing means 2 executes the restoration utility program instructed by the JCL to restore the medium on the magnetic tape 9 instructed by the JCL to the restoration destination medium (this Restore to the magnetic disk 6 in the example)
(Step S44). If a plurality of JCLs are created in step S42, the above-mentioned processing is performed for each JCL.

[0045]

As described above, according to the present invention,
Since a utility selection executing means for automatically selecting and executing a utility program for saving and restoring based on the organization style of the file to be restored is provided,
Even an operator who does not have specialized knowledge can easily save and restore files.

[Brief description of drawings]

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

FIG. 2 is a diagram for explaining an operation at the time of saving.

FIG. 3 is a diagram for explaining an operation at the time of restoration.

FIG. 4 is a diagram for explaining a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Magnetic disk management means 2 ... Utility selection execution means 3 ... Evacuation restoration medium request means 4 ... Evacuation status management means 5 ... Input / output means 6-8, 41 ... Magnetic disk 9 ... Magnetic tape 43 ... Volume management information 44 ... Input keyboard device 45, 48 ... JCL 46 ... System 47 ... Evacuation medium

Claims (3)

[Claims] 1. A first managing means for managing an organization mode of a file to be saved, a second managing means for managing an organization mode of a file to be restored, and the first managing means at the time of saving. The utility program for saving is selected and executed based on the organization style of the files to be saved that are managed by the
And a utility selection executing means for selecting and executing a utility program for restoration based on the organization mode of files to be restored managed by the management means. 2. The utility selection executing means includes a correspondence table between a file organization mode and a utility program for saving, and a utility program for saving is created based on the correspondence table and the organization mode of a file to be saved. 2. The file backup / restoration method according to claim 1, wherein the backup / restoration method is selected. 3. The utility selection executing means includes a correspondence table between a file organization mode and a utility program for restoration, and a utility program for restoration is defined based on the correspondence table and the organization mode of a file to be restored. 2. The file backup / restoration method according to claim 1, wherein the backup / restoration method is selected.