WO2000022498A1 - Procede et dispositif permettant d'arreter un travail au cours du blocage d'un systeme - Google Patents

Procede et dispositif permettant d'arreter un travail au cours du blocage d'un systeme Download PDF

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Publication number
WO2000022498A1
WO2000022498A1 PCT/JP1998/004642 JP9804642W WO0022498A1 WO 2000022498 A1 WO2000022498 A1 WO 2000022498A1 JP 9804642 W JP9804642 W JP 9804642W WO 0022498 A1 WO0022498 A1 WO 0022498A1
Authority
WO
WIPO (PCT)
Prior art keywords
job
freeze
control unit
jobs
stop
Prior art date
Application number
PCT/JP1998/004642
Other languages
English (en)
Japanese (ja)
Inventor
Atsushi Takahashi
Original Assignee
Hitachi, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi, Ltd. filed Critical Hitachi, Ltd.
Priority to JP2000576337A priority Critical patent/JP3664079B2/ja
Priority to PCT/JP1998/004642 priority patent/WO2000022498A1/fr
Publication of WO2000022498A1 publication Critical patent/WO2000022498A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked

Definitions

  • the present invention relates to a method of controlling job execution in a system freeze, and particularly relates to a system freeze time and a job freeze.
  • a job is executed when the system is stopped so that the job can be executed without being aware of the operation time of the system.
  • the execution information of the job is stored in the external storage device and the system is restarted, the status of the job is re-listed based on the stored information.
  • a function is provided to recover from the time of storage and restart job execution.
  • the function of storing the execution information of this job in an external storage device is called a system freeze, and when the system is restarted, the system restarts.
  • a job start is called a job start. Name.
  • the conventional system freeze is not only performed when a system stop request is made by a user, but also during system operation.
  • the system is equipped with a function that uses an emergency battery to power on the system, freezes the system, and restarts the job after power is restored.
  • the system phrase at the time of the power failure is referred to as the power failure phrase.
  • the processing time of the power failure freeze cannot exceed the duration of the emergency battery.
  • the main purpose of the present invention is to provide a job on the main storage device to be stored in the external storage device in the system freeze's restart. By reducing the execution information, it is possible to reduce the time required for the system freeze and the job starter. Disclosure of the invention
  • Starts jobs whose CPU time used from the start of job execution to before the system freeze is less than the standard time.
  • the jobs that can be restarted are used from the start of job execution to before the system freeze. Jobs whose CPU time is less than the standard time are stopped so that they are excluded from the system freeze. is there .
  • the time required for the system freeze is based on the CPU time compared to when only jobs that cannot be restarted are stopped.
  • the time spent on system freezes for jobs that are less full is shortened. This is especially useful for jobs that have a large amount of memory.
  • the job does not need to be restarted, and the job is processed accordingly. Time is also reduced.
  • the invention stops the job whose amount of memory secured by the job exceeds the standard amount. This section describes the procedure. When a system stop occurs in any computer that executes multiple jobs, restart is not possible due to system freeze. After the job has been stopped, the amount of memory secured by the job exceeds the standard amount among the jobs that can be restarted. By stopping the job, it is removed from the target of system freeze.
  • the time required for the system freeze is shorter than the time when only jobs that cannot be restarted are stopped.
  • the time required for the system freeze of jobs whose reserved memory amount exceeds the standard amount is shortened.
  • the reserved memory amount By stopping jobs that exceed the standard amount, there is no need to restart the jobs, and the processing time for those jobs is reduced. Will be shortened.
  • An invention in which when a system freeze is started, the job class of the job stops jobs below the reference job class. I will explain the procedure. When a system outage occurs on any computer that executes multiple jobs, the system cannot be restarted due to a system freeze. After the job has been stopped, any of the jobs that can be restarted, and the job class of the job is lower than the job class of the reference job By stopping the system, the system is excluded from the system freeze target.
  • the time required for the system freeze is shorter than the time when only the non-restartable jobs are stopped.
  • the time required for the system freeze of jobs whose class is lower than the standard job class is reduced.
  • the job class must be restarted by stopping the jobs below the reference job class.
  • the processing time for that is also reduced.
  • FIG. 1 is a block diagram of a system configuration showing an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a system frame of the present invention in a system phrase.
  • FIG. 3 is a flowchart showing a first embodiment of the suspension processing
  • FIG. 3 is a flowchart showing the suspension processing in the system phrase of the present invention.
  • FIG. 4 is a flowchart showing a second embodiment of the present invention
  • FIG. 4 is a flowchart showing a third embodiment of the job stop processing in the system phrase of the present invention. This is a flow chart showing an embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
  • Fig. 1 is a block diagram showing the schematic structure of a system phrase 'list break' to which the present invention is applied.
  • the computer 10 includes a CPU, a memory, and the like (not shown), and an external storage device 20 is connected to the computer.
  • the computer 10 has a system monitoring unit 11, a freeze / restart control unit 12, and a job stop control unit 13.
  • the system monitoring unit 11 When a system stop request is received from the user through the system, the system monitoring unit 11 notifies the phrase restart to that effect. Notify the control unit 13. In addition to the system stop request from the user, the same applies to the freeze / freeze in the event of a power failure in the event of a power failure. Notify start control unit 13. In addition, when a request for a restart is received from the user, a notification to that effect is sent to the freeze / restart control unit 13.
  • the restart control unit 12 When there is a freeze request from the system monitoring unit 11, the job that is being executed on the computer is reset by the restart control unit 12. Judge whether restart is possible or not. If the list is not possible, notify the job stop unit of the stop of the job. If restartable, information needed to restart the job, such as job registration values, stack information, and data information. (Job real The line information 21) is stored in the external storage device 20. The opportunity for system freeze may be provided by the user or by the power failure freeze. When restarting the job according to an instruction from the system monitoring unit 11, the freeze's restart control unit 13 is provided outside the computer. The job execution information 21 corresponding to the job stored in the storage device 20 is read out, and the information and the job are stored in the system. Recover to the state it was in at the time of the freeze and restart the process.
  • the job stop control unit 13 stops the specified job.
  • the present invention relates to the subsequent execution control of the system freeze.
  • FIG. 2 is a flowchart showing a first embodiment of the job stop processing in the system freeze of the present invention.
  • the system monitoring unit 11 receives the system stop request. (201).
  • the freeze 'restart control unit 12 determines which jobs cannot be restarted from the jobs that were being executed when the stop request was received. Is performed, the job that cannot be restarted is notified to the job stop unit 13, and the job stop control unit 13 stops the job (2 0 2).
  • the freeze / restart control unit 12 sets the remaining jobs, from the time when job execution starts to the time before the system freeze.
  • the CPU stoppage control section 13 determines whether the CPU time used in the section does not satisfy the reference time and determines whether the CPU time does not exceed the reference time. Then, the job stop control unit 13 stops the job (203). After that, the freeze / restart control unit 12 is The remaining jobs are targeted for system freeze, and system freeze is performed (204). When the system freeze of all jobs is completed, the system is stopped (205).
  • FIG. 3 is a flowchart showing a second embodiment of the job stop processing in the system freeze of the present invention.
  • the system monitoring unit 11 accepts the system stop request. (301).
  • the freeze / restart control unit 12 determines which job, which was executed at the time of receiving the stop request, cannot be reset. Otherwise, the job that cannot be restarted is notified to the job stop unit 13, and the job stop control unit 13 stops the job. (302).
  • the freeze / restart control unit 12 determines that, out of the remaining jobs, the amount of memory secured by the job exceeds the reference amount.
  • the freeze restart control unit 12 sets the remaining jobs as the target of the system freezing, and sets the system freezing as the target of the system freezing. (304). When the system freeze of all jobs is completed, the system stops (305).
  • FIG. 4 is a flowchart showing a third embodiment of the job stop processing in the system freeze of the present invention.
  • the system monitoring unit 11 receives the system stop request. (401).
  • the freeze / restart control unit 12 is a job that cannot be restarted, out of the jobs executed when the stop request is received. The job is determined, the job that cannot be restarted is notified to the job stop unit 13, and the job stop control unit 13 stops the job. Stop (402).
  • the freeze / restart control unit 12 sets a job class based on the job class of the remaining jobs as a reference.
  • Judgment is made as to whether or not the following conditions are satisfied, and the information below the reference job class is notified to the job stop control unit 13 and the job stop control unit 1 is notified. 3 stops the job (403). After that, the freeze-start control unit 12 sets the remaining jobs to the system freeze, and sets the system freeze to the system freeze. (404). When the system freeze of all jobs is completed, the system stops (405).
  • the time required for the system freeze restart of the present invention depends on the job attributes (CPU usage time, secured memory amount, job amount, etc.). Since it depends on the reference value of the class, the reference value should be set to be optimal for the system.
  • the present invention in the system freeze / restart processing, the attribute values of the job and the job are used.
  • the execution time of the system freeze restart can be shortened.
  • the present invention has a great effect in the case of a power outage freeze in which the system freeze time is limited.

Abstract

L'invention se rapporte à un procédé permettant d'arrêter un travail pour lequel le temps d'unité centrale consommé depuis le démarrage jusqu'au blocage du système est inférieur à un temps de référence. La section de contrôle du système communique l'instant de début de blocage du système à une section de commande du redémarrage/blocage qui, après avoir arrêté parmi les travaux qui ont été exécutés ceux qui ne peuvent être redémarrés, indique à la section de commande de l'arrêt des travaux quels sont les travaux qui ont consommé un temps d'unité centrale inférieur à un temps de référence dans le but d'arrêter ces travaux. Les travaux dont les temps d'unité centrale excèdent un temps de référence sont stockés dans un dispositif de stockage externe. Puis, lorsque le système redémarre, la section de contrôle du système fait part du redémarrage du système à la section de commande du redémarrage/blocage de manière à relancer l'exécution des travaux interrompus.
PCT/JP1998/004642 1998-10-14 1998-10-14 Procede et dispositif permettant d'arreter un travail au cours du blocage d'un systeme WO2000022498A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000576337A JP3664079B2 (ja) 1998-10-14 1998-10-14 システムフリーズにおけるジョブ停止方法及び装置
PCT/JP1998/004642 WO2000022498A1 (fr) 1998-10-14 1998-10-14 Procede et dispositif permettant d'arreter un travail au cours du blocage d'un systeme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/004642 WO2000022498A1 (fr) 1998-10-14 1998-10-14 Procede et dispositif permettant d'arreter un travail au cours du blocage d'un systeme

Publications (1)

Publication Number Publication Date
WO2000022498A1 true WO2000022498A1 (fr) 2000-04-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/004642 WO2000022498A1 (fr) 1998-10-14 1998-10-14 Procede et dispositif permettant d'arreter un travail au cours du blocage d'un systeme

Country Status (2)

Country Link
JP (1) JP3664079B2 (fr)
WO (1) WO2000022498A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819958A (ja) * 1981-07-29 1983-02-05 Mitsubishi Electric Corp 計算機の縮退方法
JPH02245828A (ja) * 1989-03-20 1990-10-01 Fujitsu Ltd 実行中ジョブの凍結・再開装置
JPH0340150A (ja) * 1989-07-07 1991-02-20 Nec Corp ジョブのプライオリティに応じたスワップ領域確保制御方式
JPH0471052A (ja) * 1990-07-11 1992-03-05 Nec Corp メモリフリーズ制御方式
JPH07244536A (ja) * 1994-03-07 1995-09-19 Toshiba Corp レジューム支援機構

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819958A (ja) * 1981-07-29 1983-02-05 Mitsubishi Electric Corp 計算機の縮退方法
JPH02245828A (ja) * 1989-03-20 1990-10-01 Fujitsu Ltd 実行中ジョブの凍結・再開装置
JPH0340150A (ja) * 1989-07-07 1991-02-20 Nec Corp ジョブのプライオリティに応じたスワップ領域確保制御方式
JPH0471052A (ja) * 1990-07-11 1992-03-05 Nec Corp メモリフリーズ制御方式
JPH07244536A (ja) * 1994-03-07 1995-09-19 Toshiba Corp レジューム支援機構

Also Published As

Publication number Publication date
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