KR850700171A - 억세스 손실 처리용 시스템 및 그 보호방법 - Google Patents

억세스 손실 처리용 시스템 및 그 보호방법

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Publication number
KR850700171A
KR850700171A KR1019850700195A KR850700195A KR850700171A KR 850700171 A KR850700171 A KR 850700171A KR 1019850700195 A KR1019850700195 A KR 1019850700195A KR 850700195 A KR850700195 A KR 850700195A KR 850700171 A KR850700171 A KR 850700171A
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main memory
processing
information
memory means
memory
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KR1019850700195A
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KR920003497B1 (ko
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칼 한센 로버트
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엠. 제이. 코헨
아메리칸 텔리폰 앤드 텔레그라프 캄파니
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Publication of KR850700171A publication Critical patent/KR850700171A/ko
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    • 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
    • G06F11/1662—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit the resynchronized component or unit being a persistent storage device
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1479—Generic software techniques for error detection or fault masking
    • G06F11/1482—Generic software techniques for error detection or fault masking by means of middleware or OS functionality
    • 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
    • G06F11/2023—Failover techniques
    • G06F11/2028—Failover techniques eliminating a faulty processor or activating a spare
    • 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
    • G06F11/2023—Failover techniques
    • G06F11/203—Failover techniques using migration
    • 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
    • G06F11/2046—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 where the redundant components share persistent storage
    • 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
    • G06F11/2053—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 persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2094—Redundant storage or storage space
    • 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
    • G06F11/2097—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 maintaining the standby controller/processing unit updated
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
    • 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
    • G06F11/2038—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 with a single idle spare processing component

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Hardware Redundancy (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

내용 없음

Description

엑세스 손실 처리용 시스템 및 그 보호방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 구체화하는 예증적인처리용 시스템의 블록선도

Claims (9)

  1. 처리용 시스템에 의해 사용되는 지정된 정보를 포함하는 정보의 복제를 기억하는 다수의 2식 메모리 수단과, 정보의 선택된 부를 기억하는 주 메모리 수단과, 주 메모리 수단과 2식 메모리수단간에서 정보의 일부를 전송하는 수단을 포함하는 처리용 시스템에 있어서, 주 메모리 수단과 적어도 하나이상의 2차 메모리 수단 사이에서 정보전달능력의 손실을 검출하고, 이에 응답하여 그 메모리수단에 지정된 모든 정보를 기억하고, 주메모리 수단에서 지정된 정보가 제거되는 것을 방지하는 단계를 구비하여 주 메모리 수단과 다수의 2차 메모리 수단 사이에서 정보전달능력의 손실에 대해서 적어도 어느정도의 시스템 동작능력을 보호하는 방법에 의해서, 지정된 정보가 주 메모리 수단과 다수의 2차 메모리 수단 사이에서 정보 전달 능력의 손실에 의해 주 메모리 수단에서 처리용 시스템에 유용하게 되는 것을 특징으로 하는 처리용 시스템 보호방법.
  2. 주 메모리 수단에서 모든 지정된 정보를 기억하는 제1항에 있어서, 적어도 하나이상의 2차 메모리 수단에서 주 메모리 수단내로 주 메모리 수단에서 기억되지 않은 이러한 지정된 정보를 전달하는 단계를 구비하는 것을 특징으로 하는 처리용 시스템 보호방법.
  3. 제1항에 있어서, 주 메모리 수단과 적어도 두개 이상의 2차메모리 수단 사이에서 정보 전달 능력의 복원을 검출하고, 이에 응답하여 주 메모리 수단에서 지정된 정보를 제거시키는 단계를 구비하는 것을 특징으로 하는 처리용 시스템 보호방법.
  4. 제1항에 있어서, 주 메모리 수단과 모든 2차 메모리 수단 사이에서 정보전달능력의 손실을 검출하고 이에 응답하여 지정된 정보의 사용에 대한 시스템동작을 제한하는 단계를 구비하는 것을 특징으로 하는 처리용 시스템 보호방법.
  5. 제4항에 있어서, 주 메모리 수단과 적어도 하나 이상의 2차 메모리 수단 사이에서 정보전달 능력의 복원을 검사하고, 이에 응답하여 주 메모리 수단에서 지정된 정보가 제거되는 것을 방지하는 동안 시스템의 동작의 제한을 중지시키는 단계를 구비하는 처리용 시스템 보호방법.
  6. 제5항에 있어서, 주 메모리 수단과 적어도 두개 이상의 2차 메모리 수단 사이에서 정보전달 능력의 복원을 검출하고 이에 응답하여 주 메모리 수단에서 지정된 정보를 제거하는 단계를 구비하는 것을 특징으로 하는 처리용 시스템 보호방법.
  7. 디스크 메모리의 억세스 손실을 묵인하는 처리용 시스템에 있어서, 시스템 동작에 필요한 지정처리를 포함하여 처리용 시스템으로 사용하기 위해 처리자본을 기억하는 한쌍의 디스크 메모리와, 처리중 선택된 처리를 기억하는 주 메모리와, 주 메모리와 디스크 메모리 사이에서 처리를 전달하는 전달수단과 주 메모리와 디스크메모리 사이에서 처리 전달능력의 손실을 검출하는 전달수단과 함께 동작하는 수단과 주 메모리에서 정보가 제거되는 것을 방지하기 위해 주 메모리내로 지정된 처리를 선택적으로 록킹하는 수단과, 주 메모리와 한 디스크메모리 사이에서 처리 전달능력의 손실을 검출함에 의하여, 손실 검출용 수단에 응답하여 다른 디스크 메모리로부터 주 메모리내로 주 메모리에 기억되지 않은 이러한 지정된 처리를 전달수단이 전달하도록 하는 제어수단을 구비하여 주 메모리와 두 디스크 메모리 사이에서 처리 전달 능력을 잃어버리면 계속 처리를 하기 위해서 처리용 시스템의 주 메모리에 유용한 것을 특징으로 하는 처리용 시스템.
  8. 제7항에 있어서, 주 메모리 수단과 디스크 메모리 사이에서 처리 전달능력의 복원을 검출하는 수단을 구비하고 또한 제어수단은 복원 검출 수단에 응답하여 주 메모리와 두 디스크 메모리 사이에서 복원처리 전달 능력의 검출에 의하여 주 메모리로부터 정보의 전달을 할 수 있도록 록킹수단이 주 메모리에서 지정된 처리를 언록하도록 하는 수단을 구비하는 것을 특징으로 하는 처리용 시스템.
  9. 제8항에 있어서, 주 메모리와 두 디스크 메모리 사이에서 처리 전달능력의 복원을 검출함에 의하여, 제어수단은 한 디스크 메모리에 의해서 나머지 디스크 메모리 내에 기억된 처리를 전달수단이 복사하도록 하는 수단을 구비하는 것을 특징으로 하는 처리용 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850700195A 1983-12-27 1984-10-18 억세스 손실 처리용 시스템 및 그 보호방법 KR920003497B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US566021 1983-12-27
US06/566,021 US4608688A (en) 1983-12-27 1983-12-27 Processing system tolerant of loss of access to secondary storage
PCT/US1984/001678 WO1985002926A1 (en) 1983-12-27 1984-10-18 Processing system tolerant of loss of access to secondary storage

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KR850700171A true KR850700171A (ko) 1985-10-25
KR920003497B1 KR920003497B1 (ko) 1992-05-01

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US (1) US4608688A (ko)
EP (1) EP0167540B1 (ko)
JP (1) JPS61500875A (ko)
KR (1) KR920003497B1 (ko)
CA (1) CA1274913A (ko)
DE (1) DE3477282D1 (ko)
WO (1) WO1985002926A1 (ko)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916605A (en) * 1984-03-27 1990-04-10 International Business Machines Corporation Fast write operations
CA1239227A (en) * 1984-10-17 1988-07-12 Randy D. Pfeifer Method of and arrangement for ordering of multiprocessor operations in a multiprocessor system
JPS61125665A (ja) * 1984-11-19 1986-06-13 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 直列データ・リンクと入出力端末装置をインターフェースするアダプタ
US5251299A (en) * 1985-12-28 1993-10-05 Fujitsu Limited System for switching between processors in a multiprocessor system
USRE34100E (en) * 1987-01-12 1992-10-13 Seagate Technology, Inc. Data error correction system
US5341482A (en) * 1987-03-20 1994-08-23 Digital Equipment Corporation Method for synchronization of arithmetic exceptions in central processing units having pipelined execution units simultaneously executing instructions
US4959777A (en) * 1987-07-27 1990-09-25 Motorola Computer X Write-shared cache circuit for multiprocessor system
US5051887A (en) * 1987-08-25 1991-09-24 International Business Machines Corporation Maintaining duplex-paired storage devices during gap processing using of a dual copy function
US4870643A (en) * 1987-11-06 1989-09-26 Micropolis Corporation Parallel drive array storage system
JPH0769882B2 (ja) * 1988-05-11 1995-07-31 富士通株式会社 クロスコール機能を有する入出力制御システム及びそのシステムにおける動的構成変更方法
JPH0264834A (ja) * 1988-08-31 1990-03-05 Midori Denshi Kk 小型コンピュータシステムにおけるデータ転送装置
US4965717A (en) * 1988-12-09 1990-10-23 Tandem Computers Incorporated Multiple processor system having shared memory with private-write capability
US5089958A (en) * 1989-01-23 1992-02-18 Vortex Systems, Inc. Fault tolerant computer backup system
DE69031443T2 (de) * 1989-06-30 1998-04-23 Digital Equipment Corp Verfahren und Anordnung zur Steuerung von Schattenspeichern
US5247618A (en) * 1989-06-30 1993-09-21 Digital Equipment Corporation Transferring data in a digital data processing system
US5239637A (en) * 1989-06-30 1993-08-24 Digital Equipment Corporation Digital data management system for maintaining consistency of data in a shadow set
DE69029289T2 (de) * 1989-06-30 1997-06-26 Digital Equipment Corp Verfahren und Anordnung zur Steuerung von Schattenspeichern
US5210865A (en) * 1989-06-30 1993-05-11 Digital Equipment Corporation Transferring data between storage media while maintaining host processor access for I/O operations
US5295258A (en) * 1989-12-22 1994-03-15 Tandem Computers Incorporated Fault-tolerant computer system with online recovery and reintegration of redundant components
US5185884A (en) * 1990-01-24 1993-02-09 International Business Machines Corporation Computer controlled optimized pairing of disk units
JPH0540682A (ja) * 1990-06-08 1993-02-19 Internatl Business Mach Corp <Ibm> アトミシテイを有する記憶装置の高可用性耐故障再配置
US5155845A (en) * 1990-06-15 1992-10-13 Storage Technology Corporation Data storage system for providing redundant copies of data on different disk drives
US5220569A (en) * 1990-07-09 1993-06-15 Seagate Technology, Inc. Disk array with error type indication and selection of error correction method
JPH04126423A (ja) * 1990-09-17 1992-04-27 Omron Corp データ処理システム
US5544347A (en) * 1990-09-24 1996-08-06 Emc Corporation Data storage system controlled remote data mirroring with respectively maintained data indices
US5535367A (en) * 1991-03-04 1996-07-09 Motorola, Inc. Demultiplexing initialization data to be transferred to memory through a plurality of registers with error detection data
US5257377A (en) * 1991-04-01 1993-10-26 Xerox Corporation Process for automatically migrating a subset of updated files from the boot disk to the replicated disks
US5913926A (en) * 1992-08-20 1999-06-22 Farrington Investments Ltd. Expandable modular data storage system having parity storage capability
US6640235B1 (en) * 1992-08-20 2003-10-28 Intel Corporation Expandable mass disk drive storage system
US5715386A (en) * 1992-09-30 1998-02-03 Lucent Technologies Inc. Apparatus and methods for software rejuvenation
JPH06251564A (ja) * 1993-02-27 1994-09-09 Sony Corp 情報提供収集装置及び記録媒体
US5649162A (en) * 1993-05-24 1997-07-15 Micron Electronics, Inc. Local bus interface
US6301711B1 (en) * 1993-11-30 2001-10-09 International Business Machines Corporation System and method for the network support of full motion video using a redundant array of inexpensive disks
US5724599A (en) * 1994-03-08 1998-03-03 Texas Instrument Incorporated Message passing and blast interrupt from processor
US5680536A (en) * 1994-03-25 1997-10-21 Tyuluman; Samuel A. Dual motherboard computer system
US5504882A (en) * 1994-06-20 1996-04-02 International Business Machines Corporation Fault tolerant data storage subsystem employing hierarchically arranged controllers
US5467361A (en) * 1994-06-20 1995-11-14 International Business Machines Corporation Method and system for separate data and media maintenance within direct access storage devices
US5701429A (en) * 1994-06-20 1997-12-23 International Business Machines Corporation Method and system for maintaining concurrent data access during device upgrade
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
GB9422854D0 (en) * 1994-11-12 1995-01-04 Int Computers Ltd High availability data processing system
JPH08263226A (ja) * 1995-03-23 1996-10-11 Toshiba Corp 情報記憶装置
JPH0926892A (ja) * 1995-04-27 1997-01-28 Tandem Comput Inc 遠隔的に複製されかつ動的に再構成可能なメモリを有するコンピュータシステム
US5933603A (en) * 1995-10-27 1999-08-03 Emc Corporation Video file server maintaining sliding windows of a video data set in random access memories of stream server computers for immediate video-on-demand service beginning at any specified location
US6061504A (en) * 1995-10-27 2000-05-09 Emc Corporation Video file server using an integrated cached disk array and stream server computers
US5948062A (en) * 1995-10-27 1999-09-07 Emc Corporation Network file server using a cached disk array storing a network file directory including file locking information and data mover computers each having file system software for shared read-write file access
US5802265A (en) * 1995-12-01 1998-09-01 Stratus Computer, Inc. Transparent fault tolerant computer system
US5870537A (en) * 1996-03-13 1999-02-09 International Business Machines Corporation Concurrent switch to shadowed device for storage controller and device errors
EP0894304B2 (de) * 1996-04-19 2008-03-26 Daimler AG Verfahren zur automatischen diagnose technischer systeme unter berücksichtigung eines effizienten wissenserwerbs und einer effizienten bearbeitung zur laufzeit
US5889935A (en) * 1996-05-28 1999-03-30 Emc Corporation Disaster control features for remote data mirroring
US6052797A (en) * 1996-05-28 2000-04-18 Emc Corporation Remotely mirrored data storage system with a count indicative of data consistency
US6298386B1 (en) 1996-08-14 2001-10-02 Emc Corporation Network file server having a message collector queue for connection and connectionless oriented protocols
US5893140A (en) * 1996-08-14 1999-04-06 Emc Corporation File server having a file system cache and protocol for truly safe asynchronous writes
US5974503A (en) * 1997-04-25 1999-10-26 Emc Corporation Storage and access of continuous media files indexed as lists of raid stripe sets associated with file names
US5892915A (en) * 1997-04-25 1999-04-06 Emc Corporation System having client sending edit commands to server during transmission of continuous media from one clip in play list for editing the play list
US5987621A (en) * 1997-04-25 1999-11-16 Emc Corporation Hardware and software failover services for a file server
US6111707A (en) * 1997-12-31 2000-08-29 International Business Machines Corporation Tape duplexing with unique identity and error recovery
US6418540B1 (en) * 1999-08-27 2002-07-09 Lucent Technologies Inc. State transfer with throw-away thread
US6549992B1 (en) 1999-12-02 2003-04-15 Emc Corporation Computer data storage backup with tape overflow control of disk caching of backup data stream
US6434681B1 (en) 1999-12-02 2002-08-13 Emc Corporation Snapshot copy facility for a data storage system permitting continued host read/write access
US6862689B2 (en) 2001-04-12 2005-03-01 Stratus Technologies Bermuda Ltd. Method and apparatus for managing session information
US6802022B1 (en) 2000-04-14 2004-10-05 Stratus Technologies Bermuda Ltd. Maintenance of consistent, redundant mass storage images
US7146364B1 (en) 2000-11-03 2006-12-05 International Business Machines Corporation Method and system for recovering data in a plurality of systems
US6948010B2 (en) * 2000-12-20 2005-09-20 Stratus Technologies Bermuda Ltd. Method and apparatus for efficiently moving portions of a memory block
US6990611B2 (en) * 2000-12-29 2006-01-24 Dot Hill Systems Corp. Recovering data from arrays of storage devices after certain failures
US6766413B2 (en) 2001-03-01 2004-07-20 Stratus Technologies Bermuda Ltd. Systems and methods for caching with file-level granularity
US6874102B2 (en) * 2001-03-05 2005-03-29 Stratus Technologies Bermuda Ltd. Coordinated recalibration of high bandwidth memories in a multiprocessor computer
US6934822B2 (en) * 2002-08-06 2005-08-23 Emc Corporation Organization of multiple snapshot copies in a data storage system
US6957362B2 (en) * 2002-08-06 2005-10-18 Emc Corporation Instantaneous restoration of a production copy from a snapshot copy in a data storage system
US6792518B2 (en) 2002-08-06 2004-09-14 Emc Corporation Data storage system having mata bit maps for indicating whether data blocks are invalid in snapshot copies
US7284016B2 (en) 2002-12-03 2007-10-16 Emc Corporation Client-server protocol for directory access of snapshot file systems in a storage system
US7577806B2 (en) 2003-09-23 2009-08-18 Symantec Operating Corporation Systems and methods for time dependent data storage and recovery
US7409587B2 (en) 2004-08-24 2008-08-05 Symantec Operating Corporation Recovering from storage transaction failures using checkpoints
US7991748B2 (en) 2003-09-23 2011-08-02 Symantec Corporation Virtual data store creation and use
US7904428B2 (en) 2003-09-23 2011-03-08 Symantec Corporation Methods and apparatus for recording write requests directed to a data store
US7631120B2 (en) 2004-08-24 2009-12-08 Symantec Operating Corporation Methods and apparatus for optimally selecting a storage buffer for the storage of data
US7827362B2 (en) 2004-08-24 2010-11-02 Symantec Corporation Systems, apparatus, and methods for processing I/O requests
US7239581B2 (en) 2004-08-24 2007-07-03 Symantec Operating Corporation Systems and methods for synchronizing the internal clocks of a plurality of processor modules
US7577807B2 (en) 2003-09-23 2009-08-18 Symantec Operating Corporation Methods and devices for restoring a portion of a data store
US7296008B2 (en) 2004-08-24 2007-11-13 Symantec Operating Corporation Generation and use of a time map for accessing a prior image of a storage device
US7287133B2 (en) 2004-08-24 2007-10-23 Symantec Operating Corporation Systems and methods for providing a modification history for a location within a data store
US7730222B2 (en) 2004-08-24 2010-06-01 Symantec Operating System Processing storage-related I/O requests using binary tree data structures
US7725760B2 (en) 2003-09-23 2010-05-25 Symantec Operating Corporation Data storage system
JP4535371B2 (ja) * 2004-07-15 2010-09-01 富士通株式会社 ディスクアレイ制御プログラム、方法及び装置
US7467324B1 (en) * 2004-09-30 2008-12-16 Ayaya Inc. Method and apparatus for continuing to provide processing on disk outages
CN101313279A (zh) 2005-10-14 2008-11-26 塞门铁克操作公司 一种在数据存储器中用于时间线压缩的技术
US7848261B2 (en) 2006-02-17 2010-12-07 Isilon Systems, Inc. Systems and methods for providing a quiescing protocol
JP4818751B2 (ja) * 2006-02-24 2011-11-16 富士通株式会社 ストレージシステム
US8286029B2 (en) * 2006-12-21 2012-10-09 Emc Corporation Systems and methods for managing unavailable storage devices
US8966080B2 (en) 2007-04-13 2015-02-24 Emc Corporation Systems and methods of managing resource utilization on a threaded computer system
US8589728B2 (en) 2010-09-20 2013-11-19 International Business Machines Corporation Job migration in response to loss or degradation of a semi-redundant component
US9485077B2 (en) * 2012-07-06 2016-11-01 Broadcom Corporation System and method for energy efficient ethernet with asymmetric traffic profiles
US11586514B2 (en) 2018-08-13 2023-02-21 Stratus Technologies Ireland Ltd. High reliability fault tolerant computer architecture
US20210117249A1 (en) * 2020-10-03 2021-04-22 Intel Corporation Infrastructure processing unit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627905B1 (ko) * 1970-11-06 1981-06-27
GB1410631A (en) * 1972-01-26 1975-10-22 Plessey Co Ltd Data processing system interrupt arrangements
US3882455A (en) * 1973-09-14 1975-05-06 Gte Automatic Electric Lab Inc Configuration control circuit for control and maintenance complex of digital communications system
JPS51127626A (en) * 1975-04-30 1976-11-06 Hitachi Ltd Information processor
US4228496A (en) * 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
DE2733921C3 (de) * 1977-07-27 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine indirekt gesteuerte Vermittlungsanlage, insbesondere Fernsprechvermittlungsanlage
US4377845A (en) * 1980-09-29 1983-03-22 International Business Machines Corporation Optional machine inhibition for feature malfunction
US4371754A (en) * 1980-11-19 1983-02-01 Rockwell International Corporation Automatic fault recovery system for a multiple processor telecommunications switching control
US4430727A (en) * 1981-11-10 1984-02-07 International Business Machines Corp. Storage element reconfiguration

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JPS61500875A (ja) 1986-05-01
EP0167540B1 (en) 1989-03-15
KR920003497B1 (ko) 1992-05-01
JPH0420493B2 (ko) 1992-04-03
EP0167540A1 (en) 1986-01-15
DE3477282D1 (en) 1989-04-20
US4608688A (en) 1986-08-26
WO1985002926A1 (en) 1985-07-04
CA1274913A (en) 1990-10-02

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