JPS643741A - Recovery control system for virtual computer system - Google Patents

Recovery control system for virtual computer system

Info

Publication number
JPS643741A
JPS643741A JP62158539A JP15853987A JPS643741A JP S643741 A JPS643741 A JP S643741A JP 62158539 A JP62158539 A JP 62158539A JP 15853987 A JP15853987 A JP 15853987A JP S643741 A JPS643741 A JP S643741A
Authority
JP
Japan
Prior art keywords
guest
program
carried out
virtual computer
recovery control
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP62158539A
Other languages
Japanese (ja)
Inventor
Masato Kawamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62158539A priority Critical patent/JPS643741A/en
Publication of JPS643741A publication Critical patent/JPS643741A/en
Pending legal-status Critical Current

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
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Retry When Errors Occur (AREA)

Abstract

PURPOSE:To quickly recover the fault of a virtual computer VM system by preserving the saving information on a guest VM to prevent the guest VM from performing the re-loading and re-rising actions in case an error occurs in a program running state. CONSTITUTION:When an error occurs while a VM control program 11 is running, a recovery control part 13 recognizes the contents of the error and causes the system breakdown as necessary. The control is carried out for the re-IPL and the re-leading of the program 11. For the guest VM12-1-12-3, however, no re-rise is carried out owing to a fact that the saving information 14 is stored and used. When the program 11 is running for a certain guest VM, the information on the guest VM including the I/O interruption processing, etc., carried out from the guest VM is not saved yet. Therefore the previous environment is not restored as long as the system breakdown occurs. Thus the re-IPL and the re-rise are required for the corresponding guest VM.
JP62158539A 1987-06-25 1987-06-25 Recovery control system for virtual computer system Pending JPS643741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62158539A JPS643741A (en) 1987-06-25 1987-06-25 Recovery control system for virtual computer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62158539A JPS643741A (en) 1987-06-25 1987-06-25 Recovery control system for virtual computer system

Publications (1)

Publication Number Publication Date
JPS643741A true JPS643741A (en) 1989-01-09

Family

ID=15673922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62158539A Pending JPS643741A (en) 1987-06-25 1987-06-25 Recovery control system for virtual computer system

Country Status (1)

Country Link
JP (1) JPS643741A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014170353A (en) * 2013-03-04 2014-09-18 Nec Corp Program execution device, program execution method, and program execution program

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014170353A (en) * 2013-03-04 2014-09-18 Nec Corp Program execution device, program execution method, and program execution program

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