DE3855031D1 - Kopiesystem mit "Hot-standby"-Speicher - Google Patents

Kopiesystem mit "Hot-standby"-Speicher

Info

Publication number
DE3855031D1
DE3855031D1 DE3855031T DE3855031T DE3855031D1 DE 3855031 D1 DE3855031 D1 DE 3855031D1 DE 3855031 T DE3855031 T DE 3855031T DE 3855031 T DE3855031 T DE 3855031T DE 3855031 D1 DE3855031 D1 DE 3855031D1
Authority
DE
Germany
Prior art keywords
memory
hot standby
copy system
copy
standby
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.)
Expired - Fee Related
Application number
DE3855031T
Other languages
English (en)
Other versions
DE3855031T2 (de
Inventor
Yuji Shibata
Tetsuo Urushihara
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
Publication of DE3855031D1 publication Critical patent/DE3855031D1/de
Application granted granted Critical
Publication of DE3855031T2 publication Critical patent/DE3855031T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/06—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Hardware Redundancy (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
DE3855031T 1987-07-15 1988-07-15 Kopiesystem mit "Hot-standby"-Speicher Expired - Fee Related DE3855031T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62174874A JP2514208B2 (ja) 1987-07-15 1987-07-15 ホットスタンドバイメモリ−コピ−方式

Publications (2)

Publication Number Publication Date
DE3855031D1 true DE3855031D1 (de) 1996-04-04
DE3855031T2 DE3855031T2 (de) 1996-09-05

Family

ID=15986170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3855031T Expired - Fee Related DE3855031T2 (de) 1987-07-15 1988-07-15 Kopiesystem mit "Hot-standby"-Speicher

Country Status (6)

Country Link
US (1) US5123099A (de)
EP (1) EP0299511B1 (de)
JP (1) JP2514208B2 (de)
CN (1) CN1012294B (de)
CA (1) CA1310430C (de)
DE (1) DE3855031T2 (de)

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US5544347A (en) * 1990-09-24 1996-08-06 Emc Corporation Data storage system controlled remote data mirroring with respectively maintained data indices
US5829030A (en) * 1990-11-05 1998-10-27 Mitsubishi Denki Kabushiki Kaisha System for performing cache flush transactions from interconnected processor modules to paired memory modules
JP2641819B2 (ja) * 1990-11-05 1997-08-20 三菱電機株式会社 キャッシュ・コントローラ並びにフォールト・トレラント・コンピュータ及びそのデータ転送方式
US5592660A (en) * 1991-03-04 1997-01-07 Fujitsu Limited Database management system to alternately perform retrieval process and updating process
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JP3451099B2 (ja) * 1991-12-06 2003-09-29 株式会社日立製作所 外部記憶サブシステム
US5459857A (en) * 1992-05-15 1995-10-17 Storage Technology Corporation Fault tolerant disk array data storage subsystem
US5771367A (en) * 1992-12-17 1998-06-23 International Business Machines Corporation Storage controller and method for improved failure recovery using cross-coupled cache memories and nonvolatile stores
US5689678A (en) 1993-03-11 1997-11-18 Emc Corporation Distributed storage array system having a plurality of modular control units
US5408649A (en) * 1993-04-30 1995-04-18 Quotron Systems, Inc. Distributed data access system including a plurality of database access processors with one-for-N redundancy
JP3264465B2 (ja) * 1993-06-30 2002-03-11 株式会社日立製作所 記憶システム
US5812757A (en) * 1993-10-08 1998-09-22 Mitsubishi Denki Kabushiki Kaisha Processing board, a computer, and a fault recovery method for the computer
US5841963A (en) * 1994-06-08 1998-11-24 Hitachi, Ltd. Dual information processing system having a plurality of data transfer channels
JPH10506483A (ja) * 1994-06-10 1998-06-23 テキサス・マイクロ・インコーポレーテッド フォールト・トレラントなコンピュータ・システムのためのメイン・メモリ・システム及びチェックポイント用プロトコル
US5835953A (en) 1994-10-13 1998-11-10 Vinca Corporation Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating
US5649152A (en) 1994-10-13 1997-07-15 Vinca Corporation Method and system for providing a static snapshot of data stored on a mass storage system
US5623608A (en) * 1994-11-14 1997-04-22 International Business Machines Corporation Method and apparatus for adaptive circular predictive buffer management
JPH08185271A (ja) * 1994-12-27 1996-07-16 Internatl Business Mach Corp <Ibm> ディスク装置用データ処理方法及びディスク装置
US5737514A (en) * 1995-11-29 1998-04-07 Texas Micro, Inc. Remote checkpoint memory system and protocol for fault-tolerant computer system
US5864657A (en) * 1995-11-29 1999-01-26 Texas Micro, Inc. Main memory system and checkpointing protocol for fault-tolerant computer system
US6052797A (en) * 1996-05-28 2000-04-18 Emc Corporation Remotely mirrored data storage system with a count indicative of data consistency
US5889935A (en) * 1996-05-28 1999-03-30 Emc Corporation Disaster control features for remote data mirroring
KR100233087B1 (ko) * 1996-06-29 1999-12-01 윤종용 비동기 전송 모드 교환기의 메인 프로세서 이중화장치 및 방법
JP2916421B2 (ja) 1996-09-09 1999-07-05 株式会社東芝 キャッシュフラッシュ装置およびデータ処理方法
AU4547099A (en) * 1998-06-05 1999-12-20 Mylex Corporation Snapshot backup strategy
CN1062892C (zh) * 1998-07-24 2001-03-07 中国石油化工集团公司 烃转化催化剂移动床连续再生设备
KR100279929B1 (ko) 1998-12-24 2001-02-01 서평원 교환기에서의 이중화 프로세서_
JP3545252B2 (ja) * 1999-03-30 2004-07-21 富士通株式会社 情報処理装置
KR100302867B1 (ko) * 1999-10-01 2001-11-02 서평원 에치 디 엘 씨 중계 노드 제어장치 및 방법
JP2002366416A (ja) * 2001-06-12 2002-12-20 Fujitsu Ltd データ配信システム、ネットワークキャッシュ装置、データ配信サーバおよびアクセスサーバ
KR100474704B1 (ko) * 2002-04-29 2005-03-08 삼성전자주식회사 데이터의 버스트 동시쓰기가 가능한 프로세서 이중화 장치
KR100473814B1 (ko) * 2003-07-16 2005-03-14 한국전자통신연구원 직병렬 버스정합을 이용한 이중화시스템 및 방법
JP4090400B2 (ja) * 2003-07-24 2008-05-28 株式会社日立製作所 ストレージシステム
US20050050285A1 (en) * 2003-08-26 2005-03-03 Haas William Robert Memory control system and method for installing new memory
JP4392343B2 (ja) * 2004-12-28 2009-12-24 株式会社日立製作所 メッセージ配布方法、待機系ノード装置およびプログラム
US20060200278A1 (en) * 2005-03-02 2006-09-07 Honeywell International Inc. Generic software fault mitigation
JP2008046685A (ja) * 2006-08-10 2008-02-28 Fujitsu Ltd 二重化システム及び系切り換え方法
US20080222111A1 (en) * 2007-03-07 2008-09-11 Oracle International Corporation Database system with dynamic database caching
JP5321782B2 (ja) * 2008-01-22 2013-10-23 日本電気株式会社 二重化システム及びメモリコピー方法
JP5522445B2 (ja) 2009-02-04 2014-06-18 横河電機株式会社 パラメータコピー方法およびパラメータコピー装置
TWI474260B (zh) 2009-02-16 2015-02-21 Asustek Comp Inc 電腦系統與其主機板上之記憶體電路和開機方法
CN101807148B (zh) * 2009-02-16 2013-03-06 华硕电脑股份有限公司 电脑系统与其主机板上的存储器电路和开机方法
US8589361B2 (en) 2010-08-30 2013-11-19 Oracle International Corporation Reduced disk space standby
CN102407856B (zh) * 2011-09-21 2015-04-29 中国北车股份有限公司 列车中央控制单元的热备冗余方法及系统
US9081653B2 (en) 2011-11-16 2015-07-14 Flextronics Ap, Llc Duplicated processing in vehicles
US9286171B2 (en) * 2013-12-12 2016-03-15 International Business Machines Corporation Priming failover of stateful offload adapters
US10372602B2 (en) 2015-01-30 2019-08-06 Hewlett Packard Enterprise Development Lp Ordering updates for nonvolatile memory accesses
US9811474B2 (en) * 2015-10-30 2017-11-07 International Business Machines Corporation Determining cache performance using a ghost cache list indicating tracks demoted from a cache list of tracks in a cache
US9824030B2 (en) 2015-10-30 2017-11-21 International Business Machines Corporation Adjusting active cache size based on cache usage
US10540295B2 (en) 2017-06-21 2020-01-21 International Business Machines Corporation Processing cache miss rates to determine memory space to add to an active cache to reduce a cache miss rate for the active cache
US10901868B1 (en) * 2017-10-02 2021-01-26 Marvell Asia Pte, Ltd. Systems and methods for error recovery in NAND memory operations

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IT1087261B (it) * 1977-10-20 1985-06-04 Euteco Spa Sistema a due calcolatori con commutazione automatica in presenza di dati storici,per l'automazione di impianti industriali
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US4503534A (en) * 1982-06-30 1985-03-05 Intel Corporation Apparatus for redundant operation of modules in a multiprocessing system
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JPS59142799A (ja) * 1983-02-04 1984-08-16 Hitachi Ltd バツクアツプ用蓄電装置付二重化記憶装置
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Also Published As

Publication number Publication date
JP2514208B2 (ja) 1996-07-10
EP0299511B1 (de) 1996-02-28
EP0299511A2 (de) 1989-01-18
CN1012294B (zh) 1991-04-03
EP0299511A3 (en) 1990-09-19
CA1310430C (en) 1992-11-17
JPS6419438A (en) 1989-01-23
DE3855031T2 (de) 1996-09-05
CN1030653A (zh) 1989-01-25
US5123099A (en) 1992-06-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee