JPH1116248A - Cd-r/rw drive write-in system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To continuously execute write-in operation by comparing whole capacity of the data to be written in with empty capacity of a CD-R/RW disk, writing the data in the CD-R/RW disk when the whole capacity of the data to be written in are smaller as the comparison result and recording the result. SOLUTION: A host PC 1 gains information of whole data capacity stored in the inside of a specified spool area 2a in a hard disk drive 2, and compares the whole data capacity in the spool 2a with the empty capacity of a sheet of CD-R/RW disk. When the whole data capacity in the spool 2a is smaller than the empty capacity of a sheet of CD-R/RW disk, the effect that the whole data are written in a sheet of disk is described to a data base, and the PC 1 advances to next operation. Inversely, when the data whole capacity in the spool 2a is larger, the data in the spool 2a are divided to a file unit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a host computer and a plurality of CD-R (write-once) disks or C-Rs.
D-RW (rewritable) disc (hereinafter referred to as CD-
More specifically, the present invention relates to a system in which a drive for driving an R / RW disk is connected, and in particular, a host computer transfers data to be written (data to be written) to a plurality of CD-ROMs in accordance with the amount of data. The present invention relates to a CD-R / RW drive writing system capable of automatically writing data on a disc in an R / RW drive.

[0002]

2. Description of the Related Art Conventionally, a system comprising a host computer and a plurality of CD-R / RW drives has been used. However, multiple CD-Rs are sent from the host computer.
When writing data to a / RW disc, it was possible to write to only one arbitrary CD-R / RW drive.

[0003]

As described in the prior art, in a system including a host computer and a plurality of CD-R / RW drives, any one CD-R / RW
Writing was possible only for the RW drive. Therefore, when writing data to different CD-R / RW discs, that is, when allocating write data to a plurality of CD-R / RW drives, it is necessary to perform an operation for each disc, resulting in low operability. There was a problem that it decreased. If the data to be written (data to be written) is larger than the remaining free space of the CD-R / RW disc, writing cannot be performed unless the data to be written is explicitly divided. There was also a problem. A first object of the present invention is to make it possible to continuously execute a write operation when data is written to a plurality of CD-R / RW disks (the invention of claim 1). . Second
It is another object of the present invention to automatically distribute such data to a plurality of CD-R / RW disks when the data to be written is larger than the remaining free space of the CD-R / RW disk. Item 2)). Thirdly, it is an object of the present invention to enable distribution to each CD-R / RW disc when it is desired to distribute the data to CD-R / RW discs to be written in accordance with the contents of data. ). Fourth, it is an object of the present invention to be able to confirm in advance which data is to be written to which CD-R / RW disc.

[0004]

According to the first aspect of the present invention, in a system in which a host computer and a drive for driving a plurality of CD-R / RW disks are connected, a database unit for storing information relating to data writing. Means for acquiring information on the total capacity of the data to be written, means for acquiring information on the free space of the CD-R / RW disc,
Means for comparing the free capacity of the DR / RW disc;
As a result of comparison between the two, when the total capacity of the data to be written is smaller, a means for writing to a CD-R / RW disc and recording the result in a database is provided. Data can be sequentially written to the disk.

[0005] In the invention of claim 2, the CD-R of claim 1 is used.
In the / RW drive writing system, as a result of comparing both the total capacity of the data to be written and the free space of the CD-R / RW disc, if the total capacity of the data to be written is larger, a plurality of CD-Rs A means for acquiring information on the free space of the / RW disc; and a means for dividing the data into file units in accordance with the free space of a plurality of CD-R / RW discs to which data is to be written. And make it writable.

According to a third aspect of the present invention, in the CD-R / RW drive writing system according to the first or second aspect, which data is stored in the database section and which CD-R / RW drive is used.
There is provided means for recording information for designating whether to write to the R / RW disc.

According to a fourth aspect of the present invention, in the CD-R / RW drive writing system of the first to third aspects, means for displaying the contents of the database section is provided, and which data is stored on which CD-R / RW disc. It is possible to check in advance whether the data will be written.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A CD-R / RW drive writing system according to the present invention will be described in detail with reference to the drawings. CD-R /
The RW drive writing system includes a plurality of CD-R / Rs.
The first feature is that data can be sequentially written to the W drive (the invention of claim 1).

FIG. 1 is a functional block diagram showing an example of an embodiment of a main part configuration of a CD-R / RW drive writing system according to the present invention. In the figure, 1
Denotes a host PC (personal computer), 2 denotes a hard disk drive, 2a denotes a spool area in the hard disk, 2b denotes a database area, and 3 denotes a CD-R / RW drive.

An outline of the configuration and functions of the system shown in FIG. 1 is as follows. The host PC (personal computer) 1 has a built-in CPU.
E, SCSI, etc.
A DR / RW drive 3 (or CD-R / RW tower, CD-R / RW jukebox, etc.) is connected. A hard disk drive 2 is also connected as a storage device capable of high-speed reading and writing. In the system shown in FIG. 1, the host PC 1
At a certain timing, the data stored in the designated spool area 2a in the hard disk drive 2 is transferred to the CD-R / RW drive 3 by the software stored in the built-in program storage unit.
It operates to write to the R / RW disc. In this case, when data is sequentially written to a plurality of CD-R / RW discs, a CD-R / RW disc to which the data is to be written is designated for each data, or the Determine the order of use.

In the CD-R / RW drive writing system of the present invention, a database section is provided in the database area 2b in the hard disk in order to sequentially write data to a plurality of CD-R / RW drives. . At least, for example, the following information A) to F) are stored. A) Total capacity of data to be written B) Free capacity of each CD-R / RW disc C) Recording on write operation Ca) Information that writing is not possible due to insufficient free capacity Cb) All data Information on a disc when written on one CD-R / RW disc (for example, disc No.) Cc) Information on a disc when all data is allocated to a plurality of CD-R / RW discs and written ( D) Order of allocation of data to be written to a plurality of CD-R / RW disks specified by the user E) Specific order according to the contents of the document specified by the user C
Information related to a write instruction to a DR-RW or a CD-R / RW determined by the order of use F) Other information necessary for writing to a CD-R / RW An example is shown in FIG. 2 below.

FIG. 2 is a diagram showing an example of the contents of information stored in a database area 2b provided in the hard disk.

The host PC 1 takes in data to be written into a predetermined spool area 2a in the hard disk drive 2 before starting to write data. At this time, the host PC 1 refers to the database area 2b in FIG. For example, first, D) in the database area 2b shown in FIG.
And E) whether or not there is information. Then, when there is the information of D) and E), the contents are read. if,
E) stores "information relating to an instruction to write to a specific CD-R / RW disc according to the contents of a document specified in advance by the user, or to a CD-R / RW disc determined in the order of use". If so, a specific CD-R / RW disc is selected according to the information (the invention of claim 3). When a specific CD-R / RW disc is not specified, a CD-R / RW disc is selected in accordance with an order set in advance by the system. Thereafter, information on the total capacity of the write data in the spool area 2a is fetched, information on the free capacity of the selected CD-R / RW disc is fetched, and the two are compared. As a result of the comparison, if it is possible to write to the selected one CD-R / RW disc, all data is written to the selected CD-R / RW disc, and information relating to the data is stored in the database area 2b of FIG. (C-b in FIG. 2). Thereafter, the contents in the described database area 2b are displayed.

On the other hand, one selected CD-R
When writing to a / RW disc is not possible (total data capacity> free space) and there is no user specification, for example, another CD-R /
RW disks are selected, or a plurality of CWs are selected in an order specified by the user or in an order preset by the system.
Data to be written is divided and assigned to a DR-RW disc in file units (the invention of claim 2). Then, data writing is performed in accordance with the allocation, and when the writing is completed, information on the state of the divided and written data is described in Cc) in FIG. Thereafter, the contents in the described database area 2b are displayed. If the free space of all the CD-R / RW disks is smaller than the total capacity of the write data and writing is not possible, this is indicated by C-a in the database area 2b shown in FIG. 2). Describe in.

[0015] In this case, when the user enters a new CD-R
Since the / RW disk needs to be replaced, a message or the like indicating that fact is displayed. As described above, in the CD-R / RW drive writing system according to the present invention, the information on the total capacity of the data to be written is stored in the database area 2b, and the current CD-R / RW drives 3 It is necessary for the automatic allocation of data, such as information on the free space of the R / RW disk and when the free space of one disk is insufficient, such as the priority when writing data on a plurality of disks. The information stored in advance is stored. The operation of the data allocation simulation described above is shown in the flowchart.

FIG. 3 is a flowchart showing a main processing flow of data allocation simulation in the CD-R / RW drive writing system of the present invention. In the figure, # 1 to # 7 indicate steps.

In step # 1, the host PC 1 acquires information on the total capacity of data stored in the designated spool area 2a in the hard disk drive 2. In step # 2, it is checked whether the total capacity of the data in the spool area 2a is smaller than the free capacity of one CD-R / RW disc. If the total capacity of the data in the spool area 2a is smaller than the free capacity of one CD-R / RW disc, the process proceeds to step # 3, where
The fact that the data is to be written to one CD-R / RW disc is described in the database, and the process proceeds to step # 7.

If the total capacity of the data in the spool area 2a is not smaller than the free capacity of one CD-R / RW disc (when it is larger), the process proceeds to step # 4, and the flow proceeds to step # 4. The total capacity of data is C in all drives
It is checked whether it is smaller than the free space of the DR / RW disk. If the total capacity of the data in the spool area 2a is smaller than the free capacity of the CD-R / RW discs in all the drives, the process proceeds to step # 5, where all the data is divided into file units and a plurality of CD-R / RWs are divided. R / RW disks are allocated, the result is described in a database, and the process proceeds to step # 7.

On the other hand, if the total capacity of the data in the spool area 2a is not smaller than the free capacity of the CD-R / RW disc in all drives (when it is large), the process proceeds to step # 6, where the total free capacity is reduced. The fact that writing is impossible due to lack is described in the database, and the process proceeds to step # 7. In step # 7, the contents of the database are displayed (the invention of claim 4), and the flow of FIG. 3 ends. By the processing of steps # 1 to # 7, C
Multiple C with DR / RW drive writing system
Data can be sequentially written to a DR / RW disc (the invention of claim 1). Next, a data write operation is shown in a flowchart.

FIG. 4 is a flowchart showing the flow of main processing related to data writing in the CD-R / RW drive writing system of the present invention. In the figure, # 11 to # 15 indicate steps.

When the data write operation starts, the flow of FIG. 4 starts. In step # 11, the host PC 1 checks whether the data allocation database is the latest one. If the data allocation database is the latest one, it is checked in step # 13 whether all data has been written to the CD-R / RW disc. If all data has not been written to the CD-R / RW disc, in step # 14, the data is written to the CD-R / RW disc based on the contents of the database, and the process returns to the previous step # 13. Is performed. If it is detected in step # 13 that all data has been written to the CD-R / RW disc, the process proceeds to step # 15, where the writing result is displayed (the invention of claim 4), and the flow of FIG. To end. On the other hand, as a result of checking in the previous step # 11,
If the data allocation database is not the latest one, the process proceeds to step # 12, the database is updated, and the process proceeds to step # 13. The updating of the database is executed according to the flow of FIG.

As described above, the CD-R / RW of the present invention
In a drive writing system, a plurality of CD-R / RW
The point that data can be sequentially written to the drive is common to the inventions of claims 1 to 4.
There is not enough free space on the CD-R / RW discs, and the data may be divided into a plurality of discs in file units and allocated (the invention of claim 2),
It is possible to specify which data is to be written to the DR / RW disk (the invention of claim 3), and which data is stored in which C
It is characterized in that it can be checked in advance whether the data is written on the DR / RW disc (the invention of claim 4).

[0023]

According to the first aspect of the present invention, there is provided a CD-R / RW drive writing system, a database unit for storing information related to data writing, a unit for obtaining information on a total capacity of data to be written, and a CD-R / RW drive. Means for acquiring information on the free space of the RW disk; means for comparing the total capacity of the data to be written with the free capacity of the CD-R / RW disk; Is smaller, the CD-R / R
Means for writing to a W disk and recording the result in a database. Therefore, multiple C
Data can be sequentially written to the DR / RW drive.

In the CD-R / RW drive writing system according to the second aspect, in the CD-R / RW drive writing system according to the first aspect, both the total capacity of the data to be written and the free capacity of the CD-R / RW disc. As a result of the comparison, when the total capacity of the data to be written is larger, a means for acquiring information on the free space of a plurality of CD-R / RW disks and a plurality of CD-Rs at the writing destination
Means for dividing the data into file units in accordance with the free capacity of the / RW disk. Therefore, in addition to the effect of the CD-R / RW drive writing system of the first aspect, data can be automatically divided and written according to the free space of the CD-R / RW disk at the write destination.

According to a third aspect of the present invention, there is provided a CD-R / RW drive writing system.
In the RW drive writing system, the database unit is provided with means for recording information designating which data is to be written to which CD-R / RW disc. Therefore, the CD-R /
In addition to the effect of the RW drive writing system, it becomes possible to write data specified in advance to a specified CD-R / RW disc.

According to the CD-R / RW drive writing system of the fourth aspect, the CD-R / R of the first to third aspects is used.
In the W drive writing system, means for displaying the contents of the database unit is provided. Therefore, similar to the effect of the CD-R / RW drive writing system according to claims 1 to 3, which data is stored in which CD-R drive.
/ RW disc can be confirmed in advance.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing an example of an embodiment of a main part configuration of a CD-R / RW drive writing system of the present invention.

FIG. 2 is a diagram showing an example of the content of information stored in a database area 2b provided in a hard disk.

FIG. 3 is a flowchart showing a main processing flow of a data allocation simulation in the CD-R / RW drive writing system of the present invention.

FIG. 4 is a flowchart showing a flow of main processing related to data writing in the CD-R / RW drive writing system of the present invention.

[Explanation of symbols]

1 ... host PC, 2 ... hard disk drive, 2
a: Spool area in hard disk, 2b: Database area, 3: CD-R / RW drive

Claims (4)

[Claims] A host computer and a plurality of CD-Rs
In a system connected to a drive for driving a (write-once) disc or a CD-RW (rewritable) disc (hereinafter abbreviated as a CD-R / RW disc), a database for storing information related to data writing. Means for obtaining information on the total capacity of the data to be written, means for obtaining information on the free capacity of the CD-R / RW disc, and means for obtaining the total capacity of the data to be written and the capacity of the CD-R / RW disc. Means for comparing the free capacity with the free capacity; and, as a result of the comparison, when the total capacity of the data to be written is smaller, the means for writing to the CD-R / RW disc and recording the result in a database. CD-R / R, wherein data can be sequentially written to a plurality of CD-R / RW discs. Drive write system. 2. The CD-R / RW drive writing system according to claim 1, wherein the total capacity of the data to be written is compared with the total capacity of the data to be written and the free capacity of the CD-R / RW disc. Is larger, a plurality of CD-R / R
Means for acquiring information on the free space of the W disk; and means for dividing the data into file units in accordance with the free space of a plurality of CD-R / RW disks to which data is to be written. And a writable CD-R / RW drive writing system. 3. The CD-R / R of claim 1 or claim 2.
In the W drive writing system, which data is stored in the database unit and which CD-R /
A writing system for a CD-R / RW drive, comprising means for recording information for designating whether to write to a RW disc. 4. The CD-R / RW according to claim 1, wherein
In the drive writing system, means for displaying the contents of the database unit is provided, and which data is written to which CD-R / RW disc is determined.
CD-characterized in that it can be checked in advance
R / RW drive writing system.