KR100319852B1 - Computer system having failover function and method thereof - Google Patents

Abstract

The present invention relates to a computer system and a method thereof that can be easily recovered in the event of a failure, and a computer system according to the present invention includes: a state information recording unit for collecting state information of a computer system and recording the collected state information in a state information database of the auxiliary memory; A failure detection unit for detecting abnormalities of operation errors, system registry errors, and system hardware information generated when a computer system is executed and reporting the abnormalities to a user through an input / output device; A state diagnostic unit for diagnosing an abnormality of a computer system by an instruction of a user, attempting healing by the diagnosed contents when an abnormality is detected, and reporting an abnormality not healed by the diagnosed item to the user through the input / output device; And an existing state restoring unit for restoring the computer system to a state at a time point when state information selected by the user is generated among state information recorded in the state information database. do.

According to the present invention, a failure occurring in a personal computer system can be easily healed, and when a non-curable failure occurs, it can be easily restored to an existing state using existing state information, ROM can be easily restored by using the image file recorded on the CD-ROM.

Description

Computer system having failover function and method thereof

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer system, and more particularly, to a computer system and a method thereof that provide an automatic recovery function in the event of a failure.

According to the prior art, an operating system of a computer system (for example, Windows 95 ) Detects faults occurring during the operation of the computer system (Steps 100 and 110), generates a message if the device is faulty, generates a General Protection Fault (GPF) or solves the problem if the program is faulty (Step 120 and step 130). In such a situation, if the user fails to properly remedy the generated failure, the generated failure may become a fatal problem throughout the computer system, and in some cases, the hard disk may have to be reformatted or newly replaced.

On the other hand, when the user fails to know how to heal the computer system in the event of a failure, the user requests service from the service center as shown in FIG. Then, the service center receives this and sends the after-service article to the user, and the after-sales service person directly checks and repairs the user's computer system.

However, according to the conventional method, even if the failure occurring in the computer system is a very minor obstacle, the after-sales service personnel must directly visit the place where the computer system is located, and if the number of computer system failures is large, after- . Therefore, a considerable amount of time and money are required for the user to recover from a failure occurring in the computer system.

It is a first object of the present invention to provide a computer system having a fault recovery function, which is created to solve the above problems, and which can easily heal a user or restore a computer system to a previous state.

And a second object of the present invention is to provide a method for restoring a state of a computer system which can recover a state in which a computer system is normally used when a failure of the computer system is detected.

It is a third and fourth object of the present invention to provide a recording medium and a method thereof for easily restoring a failure in the auxiliary storage unit of a computer system.

FIG. 1 is a flowchart illustrating a failure processing procedure of a computer system according to a conventional technique.

2 is a diagram for explaining an error handling process by an after-sales service person.

3 is an external view of a desktop personal computer.

4 is an external view of a notebook computer.

5 is a configuration block diagram of a computer system having a fault recovery function according to the present invention.

FIG. 6 shows contents recorded on a recording medium for failure recovery of a computer system according to the present invention.

7 is a flowchart illustrating a process of restoring a state of a computer system according to the present invention.

FIG. 8 exemplarily shows a window for presenting a list of status information stored in the status information database to a user.

FIG. 9 is a flowchart illustrating a process of restoring an auxiliary storage unit failure of a computer system using a CD-ROM according to the present invention.

In order to achieve the first object, a computer system having a fault recovery function according to the present invention includes a control unit, a main memory, an auxiliary storage unit, and an input / output device, and the control unit collects status information of the computer system State information recording means for recording in the state information database of the auxiliary storage unit; A fault detection means for detecting an operation error occurring when the computer system is executed, a system registry error, and system hardware information, and reporting the error to the user through the input / output device; The computer system diagnoses an abnormality of the computer system according to an instruction of a user, and when an abnormality is detected, healing is attempted by the diagnosed contents, and the abnormality is not reported to the user through the input / output device Diagnostic means; And an existing state restoring unit for restoring the computer system to a state at a time point at which state information selected by the user is generated among the state information recorded in the state information database.

According to another aspect of the present invention, there is provided a method for restoring a state of a computer system, the method comprising: (a) collecting and backing up state information of the computer system; (b) detecting a failure of the computer system and notifying the user of the failure; And (c) restoring the computer system to a state at the time when state information selected by the user is generated from the backed up state information.

According to another aspect of the present invention, there is provided a computer readable medium storing a computer readable recording medium having computer readable instructions stored thereon, ; A program image comprising an operating system, application programs, and a list installed in an auxiliary storage unit of the computer system; And (a) code means, loaded in a main memory of the computer system, for checking whether the auxiliary memory unit is abnormal; And (b) code means for restoring a damaged file of the auxiliary storage unit using the program image when there is an abnormality in the auxiliary storage unit.

In order to achieve the fourth object, there is provided a method for recovering a fault occurring in an auxiliary storage unit of a computer system using a CD-ROM device having a CD-ROM, comprising the steps of: (a) Booting the computer system, checking the failure of the auxiliary storage unit and recovering the damaged system file; (b) (b.1) booting the CD-ROM device as a master device if the new boot failed as the master device; (b.2) backing up the data file stored in the auxiliary storage unit and reformatting the auxiliary storage unit; (b.3) installing an operating system of the program image recorded on the CD-ROM in the auxiliary storage unit; And (b.4) rebooting the computer system using the auxiliary storage as a master device. (c) reinstalling the application program in the auxiliary storage unit using the program image recorded in the CD-ROM; And (d) storing the data file backed up in the step (b.2) in the auxiliary storage unit again.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

The computer system having the failure recovery function according to the present invention is a personal computer, for example, having the appearance of the desktop PC shown in Fig. 3 or the notebook PC shown in Fig. 4, and has a configuration as shown in Fig. 5 . Hereinafter, the operating system operating in the computer system according to the present invention will be referred to as Windows .

5, the computer system having the failure recovery function according to the present invention includes a failure recovery control unit 500, a main memory 510, an input / output unit 520, an auxiliary storage unit 530, and a CD- 540).

The failure recovery control unit 500 includes a state information recording unit 502, a failure detection unit 504, a state diagnosis unit 506, and an existing state recovery unit 508.

The state information recording unit 500 stores state information of the computer system in the auxiliary storage unit 530 before the computer system is shut down or at a time determined by the user. The state information stored in the auxiliary storage unit 530 includes Windows 95 And system information such as a registry of a device driver and a device driver. The state information forms the state information database 532 in the auxiliary storage unit 530, and information corresponding to the number of times determined by the user is updated while being updated by the latest information. The state information database 532 of the auxiliary storage unit 530 may further include state information in a shipping state of the computer system and state information in a state before the application program is installed.

The failure detection unit 504 periodically monitors the computer system to detect a failure occurrence. That is, the failure detection unit 504 detects abnormalities in the computer system such as a general protection fault, a system registry error, and system hardware information. For example, a processor handler that constitutes the kernel of an operating system detects an operation error that occurs when a program is executed in a virtual memory space.

The state diagnosis unit 506 diagnoses the overall state of the computer system at a time determined by the user, and reports the abnormality to the user. And a state diagnostic button may be provided in the computer system so that the user can use the state diagnostic when it is determined that the state diagnosis is necessary. Accordingly, when the user presses the state diagnosis button, the state diagnosis unit 506 is performed. The diagnosis contents by the state diagnosis unit 506 include information on the normal operation of each device, an operating system, and application programs of the computer system and a version number.

The diagnostic contents of the computer system by the state diagnosis unit 506 will be described in detail as follows. In the case of the device, the type of the processor is checked, the state of the main memory 510 is checked to determine its capacity, the type, resolution and color of the video card are checked, the MPEC file is executed, Test modem commands, perform read and write tests on floppy disk devices, CD-ROM devices, and digital video disk (DVD) devices, check serial / parallel ports, and so on. For the operating system, check the system files in the system directory for damage, and check the properties and boot information for damage. For applications, check the configuration files and properties for corruption.

The state diagnosis unit 506 estimates the cause of the abnormality based on the above diagnosis contents and heals the abnormality. If an abnormality that can not be healed by the current diagnosis contents occurs, a message is generated to report the abnormality to the user do.

The existing state recovery unit 508 restores the state of the computer system to an existing state by using the state information selected by the user among the state information included in the state information database 532 of the auxiliary storage unit 530. [

The auxiliary storage unit 530 is a storage location in which programs and data files to be loaded and executed in the main memory 510 such as a hard disk drive, a floppy disk drive, a tape driver, and the like are stored.

The failure recovery CD-ROM 540 is used when a failure that can not be recovered by using the state information and diagnostic information that has been previously backed up in the computer system having the failure recovery function according to the present invention occurs or when the user operates the operating system And when you want to refresh the installation of an application.

6, a boot image 600 for booting a computer system using a CD-ROM driver, an operating system for installation and a program image 610 of an application program, and a CD-ROM recovery control Program 620 is recorded.

The boot image 600 is an image of system files included in an operating system that is loaded into the main memory 510 provided in the computer system and manages the operation of the computer system when the computer system is booted with the CD- .

The program image 610 is an image obtained by backing up an image of an operating system and application programs installed in the auxiliary storage unit 530 provided in the computer system. The program image is compressed and backed up. The program image 610 includes a list in which names, sizes, directories, and attributes of each file are recorded so that the user can select the files to be installed in the auxiliary storage unit 530.

The CD-ROM restoration control program 620 is loaded into the main memory 510 of the computer system and includes a check code means 630 for checking whether the auxiliary storage unit 530 is abnormal and a CD- And a recovery code means 640 for recovering a damaged file of the auxiliary storage unit 530 using the program image 610 stored in the auxiliary storage unit 540. [ The restoration code means 640 is provided with a whole installer 642 for newly installing all the programs included in the program image and a selection installer 644 for selecting and installing only the program desired by the user, (642), and the selection / installation unit (644).

Hereinafter, the operation of the present invention will be described in detail.

Referring to FIG. 7, the failure recovery procedure of the computer system according to the present invention is as follows.

First, if the computer system is normally booted, the failure recovery controller is executed as a background task to periodically monitor the computer system (steps 700 to 705).

When the failure recovery control unit detects a general error, a system registry error, or an abnormality of the system hardware information in the computer system, a TOP MOST window is generated and an instruction is received from the user (710, 735).

If the state diagnostic button is pressed to check the computer system used by the user, the state of the computer system is diagnosed. If an abnormality is detected, the abnormality is immediately healed using the diagnosis contents (steps 715 to 725) . However, if the detected abnormality can not be healed by the diagnosis contents, a top-mode window is generated and an instruction is received from the user (steps 730 and 735).

At this time, the failure recovery control unit presents a list of status information stored in the status information database of the auxiliary storage unit to the user. FIG. 8 exemplarily shows a window for presenting a list of status information stored in the status information database to a user. When the user selects one piece of state information from the state information list and instructs recovery of the computer system, the failure recovery control unit reads state information selected from the secondary storage unit and restores the state of the computer system to the state at the time of backing up the state information (Steps 740 and 745).

If the recovery to the previous state is completed, or if the user does not desire the recovery, the failure recovery control part switches back to the background job and the hidden job (step 750).

When the computer system is terminated, the failure recovery control unit checks the state information of the system and stores the detected system state information in the state information database of the auxiliary storage unit (operation 755). At this time, if all the pre-allocated areas are used for the state information database of the auxiliary storage unit, the new state information is overwritten in the area where the oldest state information is stored.

If the computer system fails to boot normally, or if the user determines that the computer system has suffered a serious failure, a failure recovery is attempted using the fail-over CD-ROM (step 760). The failure recovery process using the CD-ROM for failover is described with reference to FIG.

The CD-ROM device 130 is set as the master device, and the boot image of FIG. 6 is loaded into the main memory of the computer system and booted (step 900).

Next, the user loads the CD-ROM recovery unit of the CD-ROM according to FIG. 6 into the main memory of the computer system, activates it, and checks the status of the hard disk unit (Step 905). At this time, MS-DOS A ScanDisk command can be used.

The CD-Lombok restorer restores the system file detected by the ScanDisk to the contents read from the program image of the CD-ROM, sets the hard disk device as the master device, and reboots the computer system (step 910) .

At this time, MS-DOS Booting and Windows 95 ROM device is booted as a master device (steps 915, 920, and 940), it is determined that a serious failure has occurred in the hard disk.

After booting with the CD-ROM device as the master device, restart the CD-ROMB repairer. At this time, the CD-ROM repairer compresses all the data files stored in the hard disk and backs them up in another auxiliary storage unit of the computer system (step 925). Here, the other auxiliary storage unit may be a floppy disk or another hard disk without a failure.

And, the CD-Lombok relief fisherman is MS-DOS In step 930, the hard disk is newly formatted using the FDISK and FORMAT commands in step 930, the system file is read from the program image of the CD-ROM for failover, and the operating system is installed again on the hard disk in step 935.

MS-DOS Booting and Windows 95 (915, 940, and 945), the CD-Lombok restoration agent is activated to analyze the status of programs installed on the hard disk.

The CD-Lombok restoration fisher deletes all the programs having an error, uncompresses the images of the application programs in the program image shown in FIG. 6, and installs them again on the hard disk (steps 950 and 955).

In step 960, the CD-ROM repairer reads the image of the data file backed up in step 925 and stores the image on the hard disk to restore the hard disk in step 960.

In the meantime, one embodiment of the method for restoring the state of the computer system according to the above-described FIG. 7 and the method for restoring the auxiliary memory unit failure of the computer system according to FIG. 9 can be written as a program executable by each computer. And a general purpose digital computer that operates the program from the medium used in the computer. The medium may be a magnetic storage medium (e.g., ROM, floppy disk, hard disk, etc.), an optical reading medium (e.g., CD-ROM, Lt; / RTI > transmission).

In addition, functional programs, codes, and code segments for implementing the present invention can be easily inferred by programmers of the technical field to which the present invention belongs.

According to the present invention, a failure occurring in a personal computer system can be easily healed, and when a non-curable failure occurs, it can be easily restored to an existing state using existing state information, ROM can be easily restored by using the image file recorded on the CD-ROM.

Claims (9)

When a computer system is booted by changing a master device for booting to a recording medium drive device, the boot image is loaded into a main memory of the computer system to manage the operation of the computer system, And an operating system installed in an auxiliary storage unit of the computer system. Recording the image of the melting program and the list, And code means loaded in a main memory of the computer system for restoring a damaged file of the auxiliary storage unit using the program image, Wherein after the booting of the recording medium drive apparatus, a damaged file of the auxiliary storage unit is recovered so that the system can be normally booted. The recording medium according to claim 1, CD-ROM. ≪ / RTI > The recording medium according to claim 1, Code means for checking whether the auxiliary storage unit is abnormal; And code means for restoring a damaged file in the auxiliary storage unit when there is an abnormality in the auxiliary storage unit, The code means for restoring the damaged file of the auxiliary storage unit, A whole installer for newly installing all the files included in the program image on the hard disk and a selection installer for displaying a list included in the program image to the user and newly installing only the programs selected by the user on the hard disk And the user is allowed to select one of them. In the computer system having the control unit, the main memory, the auxiliary storage unit, and the input / output device, State information recording means for collecting state information of the computer system and recording the collected state information in the state information database of the auxiliary storage; A fault detection means for detecting an operation error occurring when the computer system is executed, a system registry error, and system hardware information, and reporting the error to the user through the input / output device; The computer system is activated when a user presses the state diagnostic button provided in the input / output device. The computer diagnoses the abnormality of the computer system. When an abnormality is detected, the computer attempts to heal by the diagnosed contents. A status diagnosis means for reporting the abnormality to the user through the input / And And restoring the computer system to a state at a time point at which state information selected by the user is generated among the state information recorded in the state information database. The apparatus according to claim 4, wherein the status information recording means Wherein a predetermined area for the state information database is allocated to the auxiliary storage unit and the new state information is substituted for the oldest state information. 5. The method of claim 4, A boot image loaded into the main memory to manage an operation of the computer system when the computer system is booted; A program image comprising an operating system, application programs, and a list installed in the auxiliary storage unit; And (a) code means, loaded into the main memory, for checking whether the auxiliary memory unit is abnormal; And (b) code means for restoring a damaged file of the auxiliary storage unit using the program image when an abnormality occurs in the auxiliary storage unit. A computer system with functions. (a) collecting and backing up state information of a computer system; (b) detecting a failure of the computer system and notifying the user of the failure; And (c) restoring the computer system to a state at a time point when state information selected by the user is generated from the backed up state information. 8. The method of claim 7, wherein step (b) (b.1) diagnosing the condition of the computer system; (b.2) healing by the diagnosed information when an abnormality is detected in the computer system; (b.3) if the abnormality detected in the step (b.2) is not cured, informing the user of the abnormality. A method for recovering a failure occurring in an auxiliary storage unit of a computer system using a recording medium drive apparatus having an operating system installed in an auxiliary storage unit provided in a computer system, In this case, (a) booting the computer system by setting the recording medium drive apparatus as a master apparatus, checking a failure of the auxiliary storage unit and recovering a damaged system file; (b) (b.1) booting the recording medium drive device as a master device if the new boot failed as the master device; (b.2) backing up the data file stored in the auxiliary storage unit and reformatting the auxiliary storage unit; (b.3) installing an operating system of the program image recorded in the recording medium driving apparatus in the auxiliary storage unit; And (b.4) rebooting the computer system using the auxiliary storage as a master device; (c) reinstalling the application program in the auxiliary storage unit using the program image recorded on the recording medium; And (d) storing the data file backed up in the step (b.2) in the auxiliary storage unit again.