JPH1173336A - Automatic restoration method for fault in computer system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a fault restoration method capable of instantaneously and automatically executing fault restoration in a computer system without depending on user's experience. SOLUTION: The system is provided with a fault detailed information storing part 6 provided with fault contents explanation information and fault restoring procedure storing address information as fault detailed information corresponding to an error code at the occurrence of a fault. At the occurrence of the fault, the storing part 6 is referred to, a fault restoring procedure storing address is specified from an error code and communication is connected. Since fault restoration procedure information is previously prepared in the fault restoring procedure storing address, fault restoring processing is executed based on the fault restoring procedure information acquired from the storing address.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a failure recovery system for a computer system, and more particularly to a failure recovery system having an automatic recovery function.

[0002]

2. Description of the Related Art Conventionally, in a computer operating system and each application software operating on the computer, as a warning method when a failure occurs, a method of displaying an error code or a simple message indicating a result of the failure is used. Is common.

[0003] Then, in order to investigate the cause of the failure and take a solution, the user refers to the manual while checking the displayed message, and develops each application and each hardware. The restoration process was performed by inquiring about the original restoration method.

Further, as described in Japanese Patent Application Laid-Open No. 4-147348, for example, in a computer system having a duplex configuration, a standby computer is separately prepared for a business processing computer to constantly monitor a failure occurrence state. When a failure occurs, the user performs recovery processing using a failure processing record created in advance and stored in the standby computer.

[0005]

However, the conventional fault recovery system has the following problems.

As a first problem, the above-mentioned Japanese Patent Laid-Open Publication No.
In the failure recovery system proposed in Japanese Patent No. 7348 and the like, it is difficult to recover all failures by using a failure processing record prepared for recovery from a failure.

[0007] The reason is that, since the failure processing recorder is created by a user, recovery processing cannot be performed for a failure other than a failure that the user can predict in advance.

[0008] The second problem is the above-mentioned Japanese Patent Laid-Open No. 4-1473.
In the failure recovery system proposed in JP-A-48-48, the load is always imposed on the entire system, especially on the network.

The reason is that a standby computer must be prepared for each business processing computer, and the standby computer must always monitor the failure occurrence status of the business processing computer.

[0010] The third problem is that, in the conventional failure recovery method, when a user manually performs a recovery process based on a message displayed at the time of occurrence of a failure, for example, the user is unfamiliar with the failure. It will take time to recover.

The reason is that messages displayed at the time of occurrence of a fault need to be stored in advance on each computer, so the storage area is limited, and information sufficient to eliminate the cause of each fault and restore the system is required. Therefore, it is difficult for users to refer to the manual while checking the displayed message, and to check the message displayed by each user, The recovery process must be performed by inquiring the hardware developer about the recovery method.

[0012] Therefore, the present invention has been made in view of the above problems, and its object is to automatically and immediately respond to all failures occurring on a computer without depending on the user's experience. Another object of the present invention is to provide a failure recovery method for a computer system that performs recovery processing.

[0013]

In order to achieve the above-mentioned object, the present invention provides a computer system, comprising: fault description information and fault recovery as fault detail information corresponding to an error code issued from the system or application when a fault occurs. A failure detail information storage unit storing the procedure storage destination address information, and searching the failure detail information storage unit from the error code at the time of the failure, specifying a failure recovery procedure storage location, and communicating with the failure recovery procedure storage location Means for storing the failure recovery procedure information corresponding to the error code in the storage location of the failure recovery procedure in advance, and the storage location of the failure recovery procedure stores the failure recovery procedure information when the failure occurs in the computer system. Upon receiving the error code, it notifies the computer system of failure recovery procedure information corresponding to the error code, and In the basis of the fault recovery procedure information transmitted from the disaster recovery procedure storage destination, and executes a fault recovery process.

[0014]

Embodiments of the present invention will be described below. In a preferred embodiment of the failure recovery method for a computer system according to the present invention, an error code detected by an operating system (2 in FIG. 1) of the computer and each application software (3 in FIG. 1) operating on the computer are used. A failure detail information storage unit (6 in FIG. 1) that stores an error code to be detected and detailed failure information (information on an address of a failure recovery procedure storage destination, a failure cause, and the like) corresponding to the error code; Fault monitoring means (4 in FIG. 1) for monitoring the status, and recovery support control means (4 in FIG. 1) for obtaining detailed fault information by referring to the detailed fault information storage unit based on the error code notified from the fault monitoring means. 5) and failure information display means (7 in FIG. 1) for displaying detailed failure information acquired by the recovery support control means.
And communication control means (9 in FIG. 1) for communicating with a remote failure recovery procedure storage destination in accordance with an instruction from the recovery support control means based on the detailed failure information (failure recovery procedure storage destination address).
-1, 9-2), a fault recovery procedure storage unit (11 in FIG. 1) storing fault recovery procedure information at a remote fault recovery procedure storage location, and a recovery support control unit by referring to the fault recovery procedure storage unit. Recovery processing instruction means (10 in FIG. 1) for instructing recovery processing via communication control means, and recovery processing execution control means (8 in FIG. 1) for performing recovery processing in accordance with an instruction from the recovery support control means. And is provided.

In the embodiment of the present invention, the fault occurrence status is constantly monitored and detected by fault monitoring means (4 in FIG. 1). Therefore, when a failure occurs, the recovery process can be started immediately. Further, since the failure occurrence status is monitored in the computer, there is no need to prepare a standby computer for monitoring.

In response to an instruction from the recovery support control means (5 in FIG. 1), information on the failure is displayed on the failure information display section (7 in FIG. 1). For this reason, the user can check the occurrence status of the failure with his own eyes.

The failure detailed information storage unit (6 in FIG. 1) stores the address of a remote failure recovery procedure storage destination as detailed failure information corresponding to the error code. It is not stored in the computer.
For this reason, computer resources can be saved.

In response to an instruction from the recovery support control means (5 in FIG. 1), the communication control means (FIG. 1) refers to the address of the failure recovery procedure storage destination stored in the failure detailed information storage unit (6 in FIG. 1). 1 9-1 and 9-2) realize communication with a remote failure recovery procedure storage destination (12 in FIG. 1). Therefore, there is no need to connect to the outside and perform communication while no failure occurs.

Storage location of failure recovery procedure at remote location (1 in FIG. 1)
The failure recovery procedure storage section (11 in FIG. 1) stores failure recovery procedure information corresponding to the error code.
It is referred to whenever a failure occurs. Therefore, there is no need to store failure recovery procedure information on each computer.

Storage location of remote recovery procedure (1 in FIG. 1)
The recovery process instructing means (2 in FIG. 1) refers to the fault recovery procedure storage unit (11 in FIG. 1), acquires the fault recovery procedure information, and sends the information to the recovery support control means (5 in FIG. 1). And instruct recovery work.

The recovery support control means (5 in FIG. 1) uses the recovery processing execution control means (12 in FIG. 1) based on the instruction from the recovery processing instruction section and the failure recovery procedure information. Instruct 8) in FIG. 1 to execute a recovery process. In response to an instruction from the recovery support control means, the recovery processing execution control means executes the failure recovery processing. For this reason,
Failures can be automatically recovered without user intervention.

[0022]

Next, in order to explain the above-mentioned embodiment of the present invention in more detail, an embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a diagram showing the configuration of an embodiment of the present invention. Referring to FIG. 1, in one embodiment of the present invention, an error code issued by an operating system (OS) 2 and each application software 3 and detailed error information storage unit 6 storing error detailed information corresponding to the error code. A failure monitoring means 4 for constantly monitoring the failure occurrence status of the computer; and a recovery support for acquiring detailed failure information by referring to the detailed failure information storage unit 6 based on the error code detected by the failure monitoring means 4. The control unit 5, a failure information display unit 7 for displaying the detailed failure information acquired by the recovery support control unit 5, and an instruction from the recovery support control unit 5 based on the detailed failure information (address of a failure recovery procedure storage destination) And communication control means 9-1 and 9-2 for communicating with the remote location for storing the failure recovery procedure 12. A failure recovery procedure storage unit 11 for storing the fault recovery procedure information, error recovery procedure storage unit 1
1, a recovery processing instruction means 10 for instructing the recovery support control means 5 to perform recovery processing, and communication control means 9-1, 9
And a recovery process execution control unit 8 for performing a recovery process in accordance with an instruction from the recovery process instruction unit 10 through the control unit 2.

FIG. 2 is an explanatory diagram showing the contents of the detailed fault information record in the detailed fault information storage unit 6 in one embodiment of the present invention. The error detail information record is error code 2
0, the detailed fault information 21, the detailed fault information 21 being the fault description information 22 and the recovery procedure storage destination address information 23
Consists of

Next, the operation of one embodiment of the present invention will be described.
This will be described in detail with reference to FIGS.

When a failure occurs in the operating system 2 or each application software 3, an error code is detected. The status of occurrence of a fault is constantly monitored by the fault monitoring means 4. The detected error code is passed from the fault monitoring means 4 to the recovery support control means 5.

When receiving the error code, the recovery support control means 5 refers to the fault detail information storage unit 6 storing the error code and the fault detail information 21 corresponding to the error code, and acquires the fault detail information 21.

The recovery support control means 5 is provided with detailed failure information 21
Is acquired, the failure content description information 22 (see FIG. 2) is passed to the failure information display means 7. Further, the recovery support control means 5 transfers the failure recovery procedure storage destination address information 23 in the detailed failure information 21 to the communication control means 9-1.

The communication control means 9-1 determines a connection destination based on the failure recovery procedure storage destination address information 23, and the communication control means 9-2 in the failure recovery procedure storage destination 12 at the corresponding remote location.
And establish communication with the

When communication is established between the communication control means 9-1 and 9-2, the recovery support control means 5 passes the error code to the recovery processing instruction means 10.

The restoration process instructing means 10 acquires failure restoration procedure information from the acquired error code by referring to the failure restoration procedure storage unit 11. The failure recovery procedure information is prepared in advance by the developer of the operating system or the developer of each application software, and preferably stores processing for failure recovery corresponding to each error code in an execution format.

The restoration processing instructing means 10 is
The acquired failure recovery procedure information is passed to the recovery support control means 5 via -1, 9-2.

The recovery support control means 5 transfers the obtained failure recovery procedure information to the recovery processing execution control means 8 sequentially.

The recovery processing execution control means 8 executes recovery processing in accordance with the sequentially obtained failure recovery procedure information.

With such a configuration, in one embodiment of the present invention, when a failure occurs in the operating system of the computer or the application software running on the computer, no user intervention is required. In addition, it is possible to automatically and immediately perform a fault recovery.

[0036]

As described above, according to the present invention, the following effects can be obtained.

A first effect of the present invention is that recovery processing can be performed for almost all failures occurring on a computer.

The reason is that, in the present invention, for each error message displayed when a failure occurs in the computer system, a process for recovery (failure recovery processing procedure information) is prepared by each developer. This is because a reliable recovery process can be realized.

A second effect of the present invention is that during normal operation, there is no need to connect to another computer and thereby, the load on the entire system, especially on the network, can be reduced.

The reason is that, in the present invention, by executing the fault monitoring means in each computer, it is not necessary to always perform the fault monitoring by the standby computer.

A third effect of the present invention is that the restoration can be immediately performed irrespective of the user's experience.

The reason for this is that, in the present invention, by storing information for fault recovery in a remote location where a fault recovery procedure is stored, there is no need to be aware of the limitation of the information storage area. This is because it is possible to prepare sufficient information for restoring, and to automatically complete the restoration process without requiring user intervention.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a system configuration according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing the contents of a failure detailed information record in one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fault monitoring function 2 Operating system (OS) 3 Each application software 4 Fault monitoring means 5 Recovery support control means 6 Fault detailed information storage unit 7 Fault information display means 8 Recovery processing execution control means 9-1, 9-2 Communication control means DESCRIPTION OF REFERENCE NUMERALS 10 recovery processing instruction means 11 failure recovery procedure storage unit 12 remote recovery procedure storage destination 20 error code 21 detailed failure information 22 failure description information 23 failure recovery procedure storage destination address information

Claims (2)

[Claims] 1. A computer system, comprising: a failure detail information storage unit that stores failure content description information and failure recovery procedure storage destination address information as failure detail information corresponding to an error code issued from the system or application when a failure occurs; Means for retrieving the failure detailed information storage unit from the error code at the time of the failure, specifying the failure recovery procedure storage location, and communicating with the failure recovery procedure storage location, and The error recovery procedure information corresponding to the error code is prepared in advance, and the failure recovery procedure storage destination receives the error code at the time of occurrence of the error in the computer system and receives the error recovery procedure information corresponding to the error code. Is notified to the computer system, and the computer system transmits the failure recovery transmitted from the failure recovery procedure storage destination. Based on the procedure information, it executes the failure recovery processing, failure automatic recovery system of a computer system, characterized in that. 2. An error code detected by an operating system of a computer, an error code detected by each application software operating on the computer,
A failure detail information storage unit that stores failure detail information including information on a failure recovery procedure storage destination address, a failure cause, and the like for the error code; a failure monitoring unit that constantly monitors a failure occurrence state of the computer; Based on the error code notified from the fault monitoring means,
Recovery support control means for referring to the detailed failure information storage unit and acquiring detailed failure information; failure information display means for displaying the detailed failure information acquired by the recovery support control means; and a failure recovery procedure storage location for the detailed failure information. Based on the address of
A communication control unit that communicates with a remote failure recovery procedure storage destination according to an instruction from the recovery support control unit; and a failure recovery procedure storage unit that stores failure recovery procedure information at a remote failure recovery procedure storage destination. A recovery process instructing unit that instructs the recovery support control unit to perform a recovery process via the communication control unit with reference to the failure recovery procedure storage unit; and performs a recovery process according to an instruction from the recovery process instructing unit. And a recovery process execution control means, and when a failure occurs, automatically and immediately recovers according to an instruction from a corresponding failure recovery procedure storage destination among a plurality of failure recovery procedure storage destinations. An automatic recovery system for computer system failures.