JP2842519B2 - Backup management control method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backup management control system, and more particularly to a backup management control system for a floppy disk medium used in a personal computer.

[0002]

2. Description of the Related Art Conventionally, as a backup management method of this kind of floppy disk medium, a method of managing the floppy disk medium itself and a method of storing the floppy disk medium in a large-capacity storage medium for each floppy disk medium (Japanese Patent Laid-Open No. 4-571)
No. 18, JP-A-63-234317, etc.)
And a method of storing the data in a file unit in a large-capacity storage medium.

(1) A method of managing the floppy disk medium itself is a method of attaching a management medium number to a floppy disk medium label and arranging the management medium number as a key in ascending or descending order using the management medium number as a key. Information on the floppy disk medium (floppy label information, etc.) is managed in a ledger or database. When searching, a ledger or database is searched, a management medium number is obtained, and a place where an actual floppy disk medium is stored is searched.

(2) The method of storing data in a floppy disk medium in a large capacity storage medium is a method of storing data in a floppy disk medium in a large capacity storage medium.

(3) A method of storing a file in a large-capacity storage medium in units of a file is a method of changing a directory in a unit of a floppy disk medium in the large-capacity storage medium and storing the directory in a file unit in the large-capacity storage medium.

[0006]

The above-mentioned conventional backup management method has the following problems.

(1) In the method of managing the floppy disk medium itself, it takes time and effort to manage registration / retrieval and the like, and requires a storage space having a volume larger than that of the managed floppy disk medium.

(2) In a method of storing data in a floppy disk medium unit in a large-capacity storage medium, there is no format information, so that only a floppy disk medium exactly as before the backup can be restored.

(3) In the method of storing files on a large-capacity storage medium in file units, it is impossible to restore the same floppy disk medium as before the backup because there is no format information, and the file is actually registered from the directory information. Information on floppy disk media cannot be restored.

In view of the above, it is an object of the present invention to store the contents of a floppy disk medium together with management information in a large-capacity storage medium, and to restore the floppy disk medium in any format in units of floppy disks or files. It is an object of the present invention to provide a backup management control method that can be used.

[0011]

According to the backup management control method of the present invention, in a backup management control method for backing up the contents of a floppy disk medium to a large-capacity storage medium, a floppy disk for reading a volume image of the floppy disk medium to be backed up is provided. Disk medium reading processing means, volume image → file image conversion processing means for converting a volume image read by the floppy disk medium reading processing means to a file image, and file converted by the volume image → file image conversion processing means Backup device writing processing means for writing an image to a large-capacity storage medium; Management information writing processing means for writing to a mass storage medium; management information reading processing means for reading management information from a large capacity storage medium; backup device reading processing means for reading a file image from a large capacity storage medium; File image → volume image conversion processing means for converting a file image read by the above into a volume image, and a floppy disk medium writing processing means for writing the volume image converted by the file image → volume image conversion processing means to a floppy disk medium. Having.

[0012]

According to the backup management control method of the present invention, the floppy disk medium reading processing means reads the volume image of the floppy disk medium to be backed up, and the volume image → file image conversion processing means is read by the floppy disk medium reading processing means. The backup device write processing means writes the file image converted by the volume image → file image conversion processing means to the large-capacity storage medium,
The management information writing processing means writes the management information in the volume image read by the floppy disk medium reading processing means to the large-capacity storage medium, and the management information reading processing means reads the management information from the large-capacity storage medium and reads the backup device. Means for reading a file image from the large-capacity storage medium; file image → volume image conversion processing means for converting the file image read by the backup device reading processing means into a volume image; and floppy disk medium writing processing means for converting the file image → volume. The volume image converted by the image conversion processing means is written to a floppy disk medium.

[0013]

Next, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a backup management control system according to one embodiment of the present invention. The backup management control method according to the present embodiment includes a floppy disk device 1 for loading a floppy disk medium 100 (see FIG. 2) to be backed up, a personal computer 2 equipped with various functions, and a large-capacity storage medium for backup. The main part is constituted by a backup device 3 that mounts 300 (see FIG. 2), an input unit 4 that gives instructions to the personal computer 2, and a display unit 5 that displays search results and the like.

The floppy disk device 1 has a function capable of reading / writing and formatting of the floppy disk medium 100 in various formats.

The personal computer 2 transmits the information of the floppy disk medium 100 to the floppy disk device 1.
Floppy disk medium reading processing unit 10 for reading from
To convert the volume image of the floppy disk medium 100 to a file image or to convert a file image to a volume image.
File image conversion processing unit 11 and backup device write processing unit 12 that writes information to backup device 3
Compression / expansion processing unit 13 for compressing or expanding information
A floppy disk medium writing processor 14 for writing information to the floppy disk medium 100; a backup device reading processor 15 for reading information from the backup device 3; and a specific file (not shown) in the floppy disk medium 100. A management information acquisition unit 16 for acquiring management information from the storage device, a volume format detection unit 17 for identifying a volume format of the floppy disk medium 100, a management information writing processing unit 18 for writing management information to the backup device 3, and a floppy disk medium 100. A format processing unit 19 that performs various types of format processing, a search processing unit 20 that searches for management information written in the large-capacity storage medium 300 based on search conditions from the input unit 4, Management that reads management information And a multicast reading processing unit 21..

The backup device 3 uses a large-capacity magnetic disk device, a removable magneto-optical disk device, or the like, and stores a directory portion 3a for storing management information that gives an overview of the backed up information, and an index portion 3b for storing index information. And the actual floppy disk medium 1
It is divided into a data section 3c for storing the contents of each 00.

The input means 4 is a personal computer 2
Using a keyboard, a mouse, a barcode reader, a touch panel, and the like, it has a role of inputting management information, inputting search conditions, determining search information, and instructing a format.

The display means 5 is a personal computer 2
It has a role of displaying search results, displaying management information, displaying input information, and the like, using the display or the like of the user.

Floppy disk medium read processing unit 10
Reads the contents (floppy label information and floppy disk recording information) of the floppy disk medium 100 as a volume image, and reads the volume image ←
→ It is passed to the file image conversion processing unit 11. Further, the floppy disk medium reading processing unit 10 reads management information from a specific file recorded on the floppy disk medium 100 and passes the management information to the management information obtaining unit 16.

The volume image ← → file image conversion processing section 11 is a section for storing the floppy disk medium 10 read by the floppy disk medium reading processing section 10.
0 is converted into a file image, or the file image read from the large-capacity storage medium 300 by the backup device read processing unit 15 is converted into a volume image. Further, the volume image ← → file image conversion processing unit 11 temporarily converts the file image into the volume image,
It has a function to extract information in file units.

The backup device write processing unit 12 writes a compressed or uncompressed file image to a large-capacity storage medium 300 mounted on the backup device 3.

The compression / expansion processing unit 13 compresses the file image converted by the volume image →→ file image conversion processing unit 11 and passes it to the backup device writing processing unit 12. Further, the compressed file image read by the backup device read processing unit 15 is expanded and passed to the volume image ← → file image conversion processing unit 11. The compression / expansion processing unit 13
The compression / expansion is performed by reversible compression (reversible compression) capable of completely restoring the original data.
LZ (Lempel-Ziv), LZW (Lempel-Ziv-Welch), and DCLZ (Data Compression L).
This is performed using a compression / expansion tool utilizing an empel-Ziv) method or the like.

Floppy disk medium writing processor 14
Writes information on the floppy disk medium 100.

The backup device reading processor 15 reads a compressed or uncompressed file image from the mass storage medium 300 mounted on the backup device 3.

The management information obtaining section 16 obtains management information in a specific file in the floppy disk medium 100 read by the floppy disk medium reading processing section 10 and passes the management information to the management information writing processing section 18. If the management information cannot be obtained, the management information is obtained from the input unit 4,
The information is passed to the management information write processing unit 18.

The volume format detecting section 17 detects the format information of the floppy disk medium 100 and transfers it to the management information writing processing section 18. For example, the volume format detection unit 17 includes a floppy disk controller (hereinafter abbreviated as FDC) that controls the floppy disk device 1 capable of reading / writing and formatting the floppy disk medium 100 of a plurality of types of formats, and a disk BISO. (Bas
ic Input Output System), and determines the format information according to whether or not the information of the floppy disk medium 100 loaded in the floppy disk device 1 can be read using the format information registered in advance.

The management information write processing unit 18 adds the format information received from the volume format detection unit 17 to the management information received from the management information acquisition unit 16, and adds the format information received from the volume format detection unit 17 to the large-capacity storage medium 3 mounted on the backup device 3.
Write to 00.

The format processor 19 performs a format process on the floppy disk medium 100 loaded in the floppy disk device 1 based on the format information received from the management information read processor 21 or the input means 4.

Based on the search condition received from the input unit 4, the search processing unit 20 transmits the large-capacity storage medium 3 mounted on the backup device 3 via the management information read processing unit 21.
From 00, management information is searched, and the searched management information is displayed on the display unit 5.

The management information read processing section 21 reads management information from the large-capacity storage medium 300 mounted on the backup device 3 and passes it to the search processing section 20 or the format processing section 19.

Referring to FIG. 2, the processing at the time of the storage instruction of the backup management control method of the present embodiment includes a floppy disk medium information reading step S101, a management information checking step S102, and a management information input step S10.
3, management information storage step S104, floppy disk medium format information acquisition step S105,
Format information storage step S106, image conversion step S107, compression instruction determination step S108
And a compression step S109 and a large capacity medium writing step S110.

Similarly, referring to FIG. 2, the processing at the time of the search instruction of the backup management control method of the present embodiment includes a search condition input step S201 and a management information search step S2.
02, a large-capacity storage medium reading step S203, and a search result notification step S204.

Similarly, referring to FIG. 2, the processing at the time of the restoration instruction of the backup management control method of the present embodiment includes a restoration information determination step S301 and a medium information restoration step S3.
02, a format change determining step S303, a format determining step S304, a format processing step S305, and a compressed determination step S306.
, An extension step S307, and a floppy disk medium writing step S308.

FIG. 3 is a diagram showing an example of the directory section 3a of the large-capacity recording medium 300 for backup. The floppy disk medium 100 to be stored is divided into a large category, a medium category, and a small category, and the actually stored information and file name are stored in the small category.

FIG. 4 is a diagram showing an example of a file structure created and stored for each floppy disk medium 100 on the large-capacity recording medium 300. As shown in FIG. The management information is information used for managing the floppy disk medium 100,
It consists of title information, storage date information, compression instruction information, and format information.

FIG. 5 is a diagram showing an example of the physical format of the floppy disk medium 100. Each track is composed of a preamble, a plurality of sectors, and a postamble. The preamble includes an index address mark (IAM). Each sector has ID and DA
And TA. ID is the ID address mark (I
DAM), a cylinder number (C), a header number (H), a sector number (R), and a sector length (N).

FIGS. 6A and 6B are views showing an example of the logical format of the floppy disk medium 100. FIG. The method of converting a volume image into a file image will be described. Data is read from the track 0, the surface 0, and the first sector of the floppy disk medium 100 in sector units using the disk BISO. This information is stored in the floppy disk medium 100.
The file is stored in the mass storage medium 300 as one file per unit. When restoring the floppy disk medium 100, the format information of the original floppy disk medium 100 is obtained from the management information stored in the large-capacity storage medium 300 mounted on the backup device 3, and the disk BISO is used. Then, the operation mode of the floppy disk device 1 is determined via the FDC, and the actual data is restored while formatting is performed for each track of the floppy disk medium 100.

FIG. 7 is a conceptual diagram when the floppy disk medium 100 compressed and stored in the large-capacity storage medium 300 is taken out in file units. First, the backup device read processing unit 15 extracts a compressed file image from the large-capacity storage medium 300, and the compression / expansion processing unit 13 performs expansion processing using the LZ method, LZW method, DCLZ method, or the like. As a result, a file image (virtual FD) is obtained, so that the volume image ← →
The file information conversion processing unit 11 extracts file information in a file image (virtual FD) on a file-by-file basis.

FIGS. 8A, 8B, and 8C are conceptual diagrams of storing / restoring the floppy disk medium 100 by various methods. FIG. 8A shows a case where the floppy label information and the floppy disk record information are physically read and written directly to the large-capacity storage medium 300, and the stored floppy disk medium 100 is restored as it is. FIG. 8B shows a large-capacity storage medium 300.
In this method, the same recording state as before storage can not be restored, but extraction in file units is possible. FIG. 8C shows the method of the present invention, which has a function of restoring the stored floppy disk medium 100 as it is and a function of extracting the floppy disk medium 100 in file units.

Next, the operation of the backup management control system of the present embodiment configured as described above will be described.

(1) First, the operation at the time of storage will be described.

When there is a storage instruction, the floppy disk medium reading processing unit 10 reads the floppy label information and the floppy disk recording information from the floppy disk medium 100 loaded in the floppy disk device 1 as a volume image (step S101).

Next, the management information acquisition section 16 checks whether or not there is a specific file for storing the management information in the floppy disk recording information read by the floppy disk medium reading processing section 10 (step S10).
2) If there is no specific file or if there is a shortage of management information other than the format information even if there is a specific file, the input means 4 inputs the missing management information (step S103). If the management information other than the format information is not insufficient, the management information acquisition unit 1
No. 6 skips step S103. The management information acquisition unit 16 sets management information other than the format information in the management information writing processing unit 18 (Step S104).

The volume format detecting section 17
Acquires the format information of the floppy disk medium 100 (step S105), and sets the format information in the management information writing processing unit 18 (step S10).
6).

On the other hand, the volume image.fwdarw.file image conversion processing unit 11 converts the volume image read by the floppy disk medium reading processing unit 10 into a file image (step S107). Next, if the compression instruction information in the management information is ON (step S108), the volume image ← → file image conversion processing section 11 compresses the file image by the compression / expansion processing section 13 (step S10).
9). If the compression instruction information is not on (step S10
8), the volume image ← → file image conversion processing unit 11 skips step S109.

Finally, the backup device write processing unit 1
2, the file image is written to the large-capacity storage medium 300, and the management information writing processing unit 18 writes the management information to the large-capacity storage medium 300 (S110).

(2) Next, the operation at the time of retrieval will be described.

When a search instruction is issued, the search processing unit 20 acquires search conditions from the input unit 4 (step S201),
The management information is searched from the large-capacity storage medium 300 through the management information read processing unit 21 based on the search condition (step S202). Next, the search processing unit 20 reads necessary management information from the large-capacity storage medium 300 by the management information reading processing unit 21 (step S203), and notifies the display unit 5 of the read result to display it (step S20).
4).

(3) Next, the operation at the time of restoration will be described.

When a restoration instruction is issued, the floppy disk medium 100 to be restored is determined by the input means 4 (step S301), and the file image of the floppy disk medium 100 to be restored from the large-capacity recording medium 300 by the backup device read processing unit 15 is determined. Is read, and the management information is read by the management information read processing unit 21 (step S302).

When the format is changed to a format other than the format at the time of storage (Yes in step S303), the format processing unit 19 acquires the format information from the input unit 4 and determines the format (step S304). Formatting of the floppy disk medium 100 is performed (step S305). on the other hand,
If there is no need to change the format (step S3
(No at 03), the format processing section 19 performs the format processing of the floppy disk medium 100 in the format at the time of storage (step S305).

Next, if the compression instruction information in the read management information indicates compression, the volume image →→ file image conversion processing section 11 (step S).
(Yes in 306), the file image is expanded by the compression / expansion processing unit 13 (step S307), and the expanded file image is transferred to the floppy disk medium writing processing unit 10. If the compression instruction information in the read management information does not indicate compression (step S3
(No at 06), the volume image ← → file image conversion processing unit 11 passes the read file image to the floppy disk medium writing processing unit 10 as it is. The floppy disk medium writing processing unit 10 writes the volume image passed from the volume image ← → file image conversion processing unit 11 to the floppy disk medium 100 (step S308).

The file image → volume image conversion processing unit 11 temporarily converts the volume image from the read file image, extracts file information in file units, and transfers the file information to the floppy disk medium writing processing unit 10. Thereby, the file information can be restored to the floppy disk medium 100 in file units.

[0055]

As described above, the present invention provides a floppy disk medium reading processing means, a volume image →
File image conversion processing means, backup device writing processing means, management information writing processing means, management information reading processing means, backup device reading processing means, file image → volume image conversion processing means, and floppy disk medium writing processing means; By storing the contents of the medium together with the management information in the large-capacity storage medium, the volume image of the floppy disk medium can be efficiently stored as a file image in the large-capacity storage medium. Is stored on the same large-capacity storage medium, so that the management is simplified.

Further, by providing volume format detecting means and format processing means and storing the format information as management information in a large-capacity storage medium, it is possible to restore a floppy disk medium in the format format at the time of storage and to store the information. There is an effect that it can be restored as a floppy disk medium of a format other than the time format.

Further, by storing the management information as a specific file in the floppy disk medium and providing the management information obtaining means, the management information can be easily obtained. There is an effect that the number of storage steps can be reduced since the input is sufficient.

Further, by providing the compression processing means and the expansion processing means, a file image obtained by converting a volume image of a floppy disk medium can be compressed and stored in a large-capacity storage medium. Since the storage space can be reduced, the storage cost can be reduced. Also, by including the compression instruction information in the management information, the file image can be selectively compressed and expanded.

Furthermore, the provision of the search processing means allows the necessary management information of the floppy disk medium to be searched in a short time, so that the management information can be easily referred to or extracted.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a backup management control system according to an embodiment of the present invention.

FIG. 2 is a flowchart illustrating processing of a backup management control method according to the present embodiment.

FIG. 3 is a diagram showing an example of information storage in a backup device in FIG. 1;

FIG. 4 is a diagram showing an example of a file structure created and stored for each floppy disk medium in a large-capacity storage medium in FIG. 2;

FIG. 5 is a diagram showing an example of a physical format of a floppy disk medium in FIG. 2;

FIG. 6 is a diagram showing an example of a logical format of a floppy disk medium in FIG. 2;

FIG. 7 is a conceptual diagram when a floppy disk medium compressed and stored in the large-capacity storage medium in FIG. 2 is taken out in file units.

8A and 8B are conceptual diagrams of storage / restoration of a floppy disk medium by various methods, wherein FIG. 8A is a method of physically reading floppy disk recording information and writing it directly to a large-capacity storage medium, and FIG. This is a method of storing files in a capacity storage medium in file units, and FIG. 3C is a backup management control method of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Floppy disk device 2 Personal computer 3 Backup device 4 Input means 5 Display means 10 Floppy disk medium reading processing unit 11 Volume image ← → File image conversion processing unit 12 Backup device writing processing unit 13 Compression / expansion processing unit 14 Floppy disk medium writing Processing unit 15 Backup device reading processing unit 16 Management information acquisition unit 17 Volume format detection unit 18 Management information writing processing unit 19 Format processing unit 20 Search processing unit 21 Management information reading processing unit 100 Floppy disk medium 300 Large capacity storage medium

Claims (6)

(57) [Claims] In a backup management control system for backing up the contents of a floppy disk medium to a large-capacity storage medium, a floppy disk medium reading processing means for reading a volume image of the floppy disk medium to be backed up; Volume image → file image conversion processing means for converting the volume image read by the means into a file image, and backup device writing processing means for writing the file image converted by the volume image → file image conversion processing means to a large capacity storage medium Management information writing processing means for writing management information in a volume image read by the floppy disk medium reading processing means to a large-capacity storage medium; Management information reading processing means for reading management information from a large capacity storage medium; backup device reading processing means for reading a file image from a large capacity storage medium; and a file for converting a file image read by the backup device reading processing means into a volume image. A backup management control method comprising: image-to-volume image conversion processing means; and floppy disk medium writing processing means for writing the volume image converted by the file image-to-volume image conversion processing means onto a floppy disk medium. 2. The backup management control method according to claim 1, wherein said file image → volume image conversion processing means can temporarily convert a volume image from a file image and extract information on a file basis. 3. A volume format detection unit for detecting format information of a floppy disk medium, the management information writing processing unit for writing management information including format information detected by the volume format detection unit to a large-capacity storage medium, 2. A format processing means for formatting a floppy disk medium based on format information in the management information read by the management information reading processing means.
The backup management control method described. 4. Obtaining management information from a specific file provided in a floppy disk medium and in which management information is written, and said specific file in a volume image read by said floppy disk medium reading processing means, and A management information acquisition means for inputting insufficient management information from an input means when the information is insufficient, and the management information writing processing means for writing the management information acquired by the management information acquisition means to a large-capacity storage medium. 1. The backup management control method according to 1. 5. A compression processing means for compressing a file image when converting a volume image into a file image by the volume image → file image conversion processing means, and a file image by the file image → volume image conversion processing means. 2. The backup management control method according to claim 1, further comprising: an extension processing unit that extends a file image when converting the file image into a file. 6. A specific file provided in a floppy disk medium to which management information including compression instruction information has been written, and a compression instruction information of the specific file in a volume image read by the floppy disk medium reading processing means. 6. The image processing apparatus according to claim 5, further comprising: the compression processing unit that compresses a file image when the compression is instructed; and the expansion processing unit that expands the file image when the compression instruction information of the specific file indicates a compression. Backup management control method.