Apparatus for submitting fault-tolerant environmental and system structure in data processing system

A technology of data processing system and architecture, applied in the fields of electrical digital data processing, memory system, error detection/correction, etc., can solve the problem of not being able to establish a user base

Inactive Publication Date: 2004-09-22
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the new operating system may never establish a user base,

Method used

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  • Apparatus for submitting fault-tolerant environmental and system structure in data processing system
  • Apparatus for submitting fault-tolerant environmental and system structure in data processing system
  • Apparatus for submitting fault-tolerant environmental and system structure in data processing system

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Experimental program
Comparison scheme
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Embodiment Construction

[0071] preface

[0072] A preferred embodiment for implementing the invention includes a fault-tolerant system. Fault-tolerant systems are generally designed bottom-up for fault-tolerant operation. Processors, memory, I / O devices and operating systems are specially modified to provide a fault-tolerant environment. However, the breadth of their customers, the maturity of their operating systems, and the number and range of user programs available are not as broad as those of some manufacturers' rather old mainframe systems, such as the System / 370 sold by International Business Machines Corporation. (S / 370) system is as big.

[0073] Current fault-tolerant data processing systems provide many advanced features that are not generally available in older non-fault-tolerant host systems or that are not supported by the host operating system. These features include: a single system image represented across a distributed computing network; hot-swappable processors and I / O controlle...

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PUM

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Abstract

The functions of two virtual operating systems are merged into one physical system. Partner pairs of S/88 processors run the S/88 OS and handle the fault tolerant and single system image aspects of the system. One or more partner pairs of S/370 processors are coupled to corresponding S/88 processors directly and through the S/88 bus. Each S/370 processor is allocated from 1 to 16 megabytes of contiguous storage from the S/88 main storage. Each S/370 virtual operating system thinks its memory allocation starts at address 0, and it manages its memory through normal S/370 dynamic memory allocation and paging techniques.

Description

[0001] This application is a divisional application of the application entitled "Method and Apparatus for Providing Additional System Features in a Data Processing System", filed on April 29, 1990, with application number 90102592.5. technical field [0002] The improvements of the present invention relate to means for adding a fault-tolerant environment and architecture to a data processing system which were lacking in the original system in the central processing unit and its operating system. Background technique [0003] Some of the more recent data processing systems of today offer many advanced features that were not available or supported by the host operating system in older host systems. These features include: providing a single system image over a distributed computing network; the ability to hot-plug processors and I / O controllers (install and fold cards at power-on); transient error detection; non-disruptive computer users Faulty components can be fault-isolated...

Claims

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Application Information

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IPC IPC(8): G06F11/00G06F13/00G06F13/14G06F15/16
CPCG06F12/0284G06F13/387
Inventor 欧内斯特·戴散尔特·巴克小约翰·蒙劳·蒂恩维蒂龙尼·爱德华·格利茨詹姆斯·莫里斯·乔伊斯乔恩·玛利奥·洛夫莱道肯恩特·卢瑟尔·桑德森格斯塔沃·阿尔马道·苏阿茨
Owner IBM CORP
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