JP2004086387A - Filing system and filing program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To access digital data by a data name as long as a file server can be accessed even when a database server with storage information of the digital data recorded is brought into an inaccessible state in the case where a name used by a user for indicating the digital data is different from a name used by a computer system. <P>SOLUTION: This filing system is composed of: the file server having a file storing means for storing the digital data; the database server having a control information recording means for recording control information for controlling the digital data stored in the file server; and a client terminal connectable to the database server and the file server. The file server has a preliminary control information recording means for recording the control information recorded in the database server as preliminary control information. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a filing system and a filing program, and more particularly, to a database server that records stored information of digital data when a name used by a user to designate digital data is different from a name used by a computer system. The present invention relates to a filing system and a filing program that can access digital data by a data name as long as the file server can access the file system even when the file server cannot be accessed.
[0002]
[Prior art]
Conventionally, a certain data is associated with a user-friendly name such as a customer name or an item name as a daily word according to a business level, and a name used for identifying a computer. When a name is input, the data is extracted by referring to the association.
[0003]
Such an association is usually recorded on a database server provided separately from the file server storing the data to be extracted.
[0004]
In this way, the database server and the file server are combined, and the data recorded in the file server is managed by the database server. As a safety improvement. This is a configuration of a filing system that is often used recently because if the server is centralized processing type, if one server is broken, it becomes completely unusable and very dangerous.
[0005]
However, in such a system, when the database becomes unusable due to a failure or the like, it is difficult to retrieve desired data. When receiving data in which the name used by the user is different from the name used by the computer for identification, it is difficult to understand what data the user wants, which may hinder the work.
[0006]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a state in which a database server that stores storage information of digital data cannot be accessed when a name used by a user to designate digital data is different from a name used by a computer system. Even in the event that the file server becomes accessible, it is an object of the present invention to provide a filing system and a filing program that can access digital data by a data name as long as the file server can access the file server.
[0007]
Other objects of the present invention will become apparent from the following description.
[0008]
[Means for Solving the Problems]
The above object is achieved by the following inventions.
[0009]
(Claim 1) A file server having file storage means for storing digital data, a database server having management information recording means for recording management information for managing digital data stored in the file server, and the database A filing system comprising a server and a client terminal connectable to a file server, wherein the file server has preliminary management information recording means for recording management information recorded in the database server as preliminary management information. Filing system characterized by.
[0010]
(Claim 2) The preliminary management information recording means is used by a system to designate data name information which is a name used by a user to designate digital data to be managed, and to designate digital data to be managed. 2. The filing system according to claim 1, wherein the filing system comprises a data table including data storage information indicating a name of the filing.
[0011]
(Claim 3) The client terminal is a digital data acquisition instructing means for instructing to acquire the digital data by a data name, and extracts storage information corresponding to the data name from the database server based on the instruction. Storage information extraction means; data name list information display instruction means for receiving an instruction to acquire and display the list of data name information when extraction is not possible by the storage information extraction means; and display the data name list information A data name list information acquiring means for acquiring a list of data name information from the file server based on an instruction of the instruction means, a data name list information displaying means for displaying the acquired data name list information, and a data name whose storage location is to be acquired Data name instructing means for designating the file information, and storage information for instructing the file server to acquire the storage information Filing system according to claim 1 or 2, characterized in that it has a yield instruction means, and data storage information acquiring unit that acquires the storage information by said mounting give instruction.
[0012]
(Claim 4) A function of receiving information of new creation / change / deletion of digital data and a change of storage location received by the database server, a function of processing the digital data based on the information, and a digital data after the processing A function of recording, in a preliminary management information recording unit, preliminary management information for managing the information in a filing program.
[0013]
(Claim 5) Digital data acquisition instructing means for instructing to acquire the digital data by a data name, and storage information extracting means for extracting storage information corresponding to the data name from the database server based on the instruction. A data name list information display instructing unit that receives an instruction to acquire and display the data name list when the storage information extracting unit cannot extract the data name information; A data name list information obtaining means for obtaining a list of data name information from the file server based on the data name list information displaying means for displaying the obtained data name list information, and a data name for specifying a data name whose storage location is to be obtained. Data name instructing means; storage information acquisition instructing means for instructing the file server to acquire storage information; Filing program for causing a computer to function as the data storage information acquiring means acquires the storage information by.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail.
[0015]
Hereinafter, a filing system and a filing program of the present invention will be described with reference to FIGS.
[0016]
FIG. 1 is a block diagram showing an example of a configuration of a filing system of the present invention. FIG. 2 is a processing flow of an example of a filing program of the present invention. FIG. 3 is another example of a filing program of the present invention. It is a processing flow of.
[0017]
The filing system of the present invention can be configured, for example, as a system in which the file servers 10, 20, and 30, the database server 1, and the client terminal 2 can communicate via the communication network 3 as shown in FIG. it can. Although FIG. 1 illustrates an example in which three file servers are provided for one database server, the number of file servers for a database is not particularly limited. Although only one client terminal is described for the sake of convenience, a plurality of client terminals may be used.
[0018]
The filing program according to the processing flow shown in FIG. 2 is installed and functions in the file servers 10, 20, and 30, and the filing program according to the processing flow shown in FIG. 3 is installed and functions in the client terminal 2.
[0019]
The filing system of the present invention is characterized in that preliminary management information recording means for recording management information recorded in the management information recording means provided in the database server 1 as preliminary management information is also provided in a file server for storing files. is there. The preliminary management information recording means can be configured as, for example, a data table as shown in FIG.
[0020]
The management information is data name information that is a name used by the user to name the digital data to be managed, and data storage information that indicates the name used by the system to name the digital data to be managed. Consists of In the example illustrated in FIG. 4, the names “Job 1”, “Job 2”, and “Job 3” are used as data name information that is names used by the user, and data storage indicating names used by the system is stored. The information is “/ data / job1”, “/ data / job2”, and “/ data / job3”.
[0021]
In this preliminary management information recording means, preliminary management information is recorded by the filing program of the present invention as shown in FIG. 2 installed in the file server.
[0022]
When the file server 10 (which may be the file server 20 or 30, but will be described with the file server 10 for simplicity in the description of FIG. 2) receives digital data processing (S1) and receives information on digital data processing, The digital data is processed based on the received information (S2), and preliminary management information for managing the processed digital data is recorded in the preliminary management information recording means (S3).
[0023]
The reception of digital data processing is performed by creating new digital data, changing the digital data name, deleting digital data, and changing the storage location of digital data (including inside and between file servers) of the client terminal. 2 is received. Such information accepts the same information as the information accepted by the database server 1. The database server 1 that has received the information records the management information in the management information recording unit based on the information.
[0024]
(Create New)
If the digital data processing information received in S1 is newly created, the digital data is stored in the file storage unit 11 in the file server 10 (S2), and the preliminary management information is recorded in the preliminary management information recording unit 12. (S3).
[0025]
(Change data name)
If the information of the file processing accepted in S1 is a change in the name of digital data, the data name of the preliminary management information of the preliminary management information recording means 12 is changed and recorded (S3).
[0026]
(Digital data deletion)
If the information of the file processing received in S1 is digital data deletion, the digital data stored in the file storage means 11 is deleted in the file server 10 (S2), and the digital data stored in the preliminary management information recording means 12 is deleted. The preliminary management information is deleted (S3).
[0027]
(Change of digital data storage location in file server)
If the digital data processing information received in S1 indicates that the storage location of the digital data is to be changed in the file server 10, the storage location of the digital data in the file storage unit 11 is changed (S2), and the preliminary management information is changed. The storage location of the management information of the digital data is changed in the recording unit 12 (S3).
[0028]
(Change between digital data storage location and file server)
If the information of the processing of the digital data received in S1 indicates that the storage location of the digital data is to be changed from the file server 10 to the file server 20, the file storage unit 21 of the file server 20 is stored in the file storage unit 21 of the file server 20. Is copied (S2), the preliminary management information of the digital data is recorded in the preliminary management information recording unit 22 (S3), and the digital data in the file storage unit 11 is deleted in the file server 10 (S2). ), The preliminary management information of the digital data in the preliminary management information recording means 12 is deleted (S3).
[0029]
When the preliminary management information recording means 12, 22, 32 is provided by the above-described program, even if a failure occurs in the database server 1 and connection becomes impossible, file storage information can be obtained.
[0030]
The configuration and operation of the client terminal 2 when it is determined that there is a failure in the database server when acquiring storage information of digital data is characterized by the filing system and file program of the present invention.
[0031]
The operation of the client terminal 2 when acquiring the storage information of the digital data will be described together with its configuration.
[0032]
First, in the digital data acquisition instructing means 2a, a user inputs an instruction to acquire digital data by a data name. At the time of this input, it is not determined whether there is a failure in the database server 1 or not.
[0033]
The storage information corresponding to the data name is extracted from the database server 1 based on the instruction received by the digital data acquisition instruction means 2a. When this extraction cannot be performed due to a failure in the database, the storage information can be obtained by starting the program shown in FIG. For example, whether or not the extraction failed due to a failure in the database server can be determined by whether or not there is a normal response from the database server when accessing the database server for extraction.
[0034]
An instruction to display data name list information is received by the data name list information display instructing means 2c (S10).
[0035]
The instruction to display the data name list information is performed, for example, by specifying a file server for which the user wants to view the data name list information, and accepting an input from the user at the client terminal 2 to select the data name list information display.
[0036]
The data name list information acquiring means 2d acquires the data name registered in the preliminary management information recording means of the file server designated in S10 (S11).
[0037]
The data names acquired by the data name list information acquiring means 2d are listed by the data name list information displaying means 2e and displayed on a display means such as a liquid crystal screen (S12).
[0038]
The user can check the data names displayed by the data name list information display means 2e and specify an arbitrary data name from among them. Such a data name is a name used by a user to point to digital data, and thus is easy for the user to determine. The data name is specified by receiving an input of the user who specifies the data name in the data name designating means 2f (S13).
[0039]
When the data name is specified, the storage information acquisition instructing means 2g displays confirmation on whether or not to acquire the storage information of the data on the client terminal 2 to confirm to the user, and the acquisition instruction is confirmed. (S14), the data storage information acquisition unit 2h refers to the spare management information recording unit of the file server and acquires the storage information corresponding to the specified data name (S15).
[0040]
In this way, even when a failure occurs in the database server, the storage information can be obtained by specifying the data name that is the name used by the user to point to the digital data.
[0041]
【The invention's effect】
As described above, according to the present invention, when the name used by the user to designate digital data is different from the name used by the computer system, the database server storing the storage location of the digital data cannot be accessed. Even in the event that the file server can be accessed, a filing system and a filing program that can access digital data by a data name can be provided as long as the file server can access the file server.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an example of the configuration of a filing system of the present invention. FIG. 2 is a processing flow diagram of an example of a filing program of the present invention. FIG. 3 is a processing flow diagram of another example of a filing program of the present invention. FIG. 4 is a diagram showing an example of preliminary management information recording means.
1: Database server 1a: Management information recording means 10, 20, 30: File servers 11, 21, 31: File storage means 12, 22, 32: Preliminary management information recording means 2: Client terminal 2a: Digital data acquisition instruction means 2b : Storage information extraction means 2c: Data name list information display instruction means 2d: Data name list information acquisition means 2e: Data name list information display means 2f: Data name instruction means 2g: Storage information acquisition instruction means 2h: Data storage information acquisition means

Claims (5)

A file server having file storage means for storing digital data, a database server having management information recording means for recording management information for managing digital data stored in the file server, the database server and the file server A filing system comprising client terminals that can be connected to
The filing system according to claim 1, wherein the file server includes a preliminary management information recording unit for recording management information recorded in the database server as preliminary management information. The preliminary management information recording means includes data name information that is a name used by a user to designate digital data to be managed, and data indicating a name used by the system to designate digital data to be managed. 2. The filing system according to claim 1, wherein the filing system comprises a data table including stored information. The client terminal, digital data acquisition instructing means for instructing to acquire the digital data by data name,
Storage information extraction means for extracting storage information corresponding to a data name from the database server based on the instruction;
A data name list information display instructing unit that receives an instruction to acquire and display the list of the data name information when the extraction cannot be performed by the storage information extracting unit;
A data name list information acquisition unit that acquires a list of data name information from the file server based on an instruction of the data name list information display instruction unit;
Data name list information display means for displaying the acquired data name list information,
A data name indicating means for designating a data name whose storage location is to be obtained,
Storage information acquisition instructing means for instructing the file server to acquire storage information,
The filing system according to claim 1, further comprising a data storage information acquisition unit that acquires storage information according to the acquisition instruction. A function of receiving information on new creation / change / deletion of digital data and a change of storage location received by the database server; a function of processing the digital data based on the information; and a function of managing the processed digital data. A filing program for causing a computer to realize a function of recording preliminary management information in preliminary management information recording means. Digital data acquisition instructing means for giving an instruction to acquire the digital data by data name,
Storage information extraction means for extracting storage information corresponding to a data name from the database server based on the instruction;
A data name list information display instructing unit that receives an instruction to acquire and display the list of the data name information when the extraction cannot be performed by the storage information extracting unit;
A data name list information acquisition unit that acquires a list of data name information from the file server based on an instruction of the data name list information display instruction unit;
Data name list information display means for displaying the acquired data name list information,
A data name indicating means for designating a data name whose storage location is to be obtained,
Storage information acquisition instructing means for instructing the file server to acquire storage information,
A filing program for causing a computer to function as data storage information acquisition means for acquiring storage information according to the acquisition instruction.

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