JPH051489B2 - - Google Patents

Info

Publication number
JPH051489B2
JPH051489B2 JP60050712A JP5071285A JPH051489B2 JP H051489 B2 JPH051489 B2 JP H051489B2 JP 60050712 A JP60050712 A JP 60050712A JP 5071285 A JP5071285 A JP 5071285A JP H051489 B2 JPH051489 B2 JP H051489B2
Authority
JP
Japan
Prior art keywords
disk
information
memory
bits
address
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 - Lifetime
Application number
JP60050712A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60211536A (ja
Inventor
Tamuji Kuroodo
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.)
Bull SAS
Original Assignee
Bull SAS
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 Bull SAS filed Critical Bull SAS
Publication of JPS60211536A publication Critical patent/JPS60211536A/ja
Publication of JPH051489B2 publication Critical patent/JPH051489B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0673—Single storage device

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP60050712A 1984-03-16 1985-03-15 情報記憶・検索方法および記憶装置 Granted JPS60211536A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8404067 1984-03-16
FR8404067A FR2561428B1 (fr) 1984-03-16 1984-03-16 Procede d'enregistrement dans une memoire a disques et systeme de memoire a disques

Publications (2)

Publication Number Publication Date
JPS60211536A JPS60211536A (ja) 1985-10-23
JPH051489B2 true JPH051489B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-08

Family

ID=9302105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60050712A Granted JPS60211536A (ja) 1984-03-16 1985-03-15 情報記憶・検索方法および記憶装置

Country Status (5)

Country Link
US (2) US4817035A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0156724B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60211536A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3563394D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2561428B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (176)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6162920A (ja) * 1984-09-05 1986-03-31 Hitachi Ltd 磁気デイスク装置システム
US5202979A (en) * 1985-05-08 1993-04-13 Thinking Machines Corporation Storage system using multiple independently mechanically-driven storage units
CA1263194A (en) * 1985-05-08 1989-11-21 W. Daniel Hillis Storage system using multiple mechanically-driven storage units
US4958351A (en) * 1986-02-03 1990-09-18 Unisys Corp. High capacity multiple-disk storage method and apparatus having unusually high fault tolerance level and high bandpass
US4847807A (en) * 1986-09-11 1989-07-11 Hughes Aircraft Company Multiple disk memory access arrangement for gridded type data
US4775978A (en) * 1987-01-12 1988-10-04 Magnetic Peripherals Inc. Data error correction system
USRE34100E (en) * 1987-01-12 1992-10-13 Seagate Technology, Inc. Data error correction system
US5257367A (en) * 1987-06-02 1993-10-26 Cab-Tek, Inc. Data storage system with asynchronous host operating system communication link
CA1296103C (en) * 1987-06-02 1992-02-18 Theodore Jay Goodlander High-speed, high capacity, fault-tolerant, error-correcting storage system
US4870643A (en) * 1987-11-06 1989-09-26 Micropolis Corporation Parallel drive array storage system
US5077736A (en) * 1988-06-28 1991-12-31 Storage Technology Corporation Disk drive memory
JPH029063A (ja) * 1988-06-28 1990-01-12 Nec Corp ディスク制御装置
US4989205A (en) * 1988-06-28 1991-01-29 Storage Technology Corporation Disk drive memory
US4914656A (en) * 1988-06-28 1990-04-03 Storage Technology Corporation Disk drive memory
US4989206A (en) * 1988-06-28 1991-01-29 Storage Technology Corporation Disk drive memory
US5283791A (en) * 1988-08-02 1994-02-01 Cray Research Systems, Inc. Error recovery method and apparatus for high performance disk drives
WO1990001737A1 (en) * 1988-08-02 1990-02-22 Cray Research, Inc. Single disk emulation for synchronous disk array
US5128810A (en) * 1988-08-02 1992-07-07 Cray Research, Inc. Single disk emulation interface for an array of synchronous spindle disk drives
US5218689A (en) * 1988-08-16 1993-06-08 Cray Research, Inc. Single disk emulation interface for an array of asynchronously operating disk drives
JP2637788B2 (ja) * 1988-09-02 1997-08-06 株式会社日立製作所 ディスクキャッシュ制御方式および情報処理システム
JP2771186B2 (ja) * 1988-09-19 1998-07-02 株式会社日立製作所 並列データ転送方法及び装置
JP2804115B2 (ja) * 1988-09-19 1998-09-24 株式会社日立製作所 ディスクファイルシステム
US5537421A (en) * 1988-10-07 1996-07-16 Advanced Micro Devices, Inc. Single chip error processor
US5148432A (en) * 1988-11-14 1992-09-15 Array Technology Corporation Arrayed disk drive system and method
WO1990006550A1 (en) * 1988-12-08 1990-06-14 Cray Research, Inc. Single disk emulation for asynchronous disk array
JP2836081B2 (ja) * 1989-01-12 1998-12-14 日本電気株式会社 ディスク制御回路
JPH0721749B2 (ja) * 1989-01-20 1995-03-08 松下電器産業株式会社 ファイル記憶方法とファイル読みだし方法とファイル編集方法
JPH02236612A (ja) * 1989-03-10 1990-09-19 Sony Corp ディスク選択制御方法
US5022030A (en) * 1989-03-17 1991-06-04 Digital Equipment Corporation Skewed XOR data storage process
JPH02291011A (ja) * 1989-04-28 1990-11-30 Fujitsu Ltd 記憶装置
US5050169A (en) * 1989-05-23 1991-09-17 Memory Technology Method and apparatus for testing magnetic disks
JPH0310357U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-06-14 1991-01-31
US5146574A (en) * 1989-06-27 1992-09-08 Sf2 Corporation Method and circuit for programmable selecting a variable sequence of element using write-back
WO1991001524A1 (en) * 1989-07-19 1991-02-07 Cray Research, Inc. An error recovery method and apparatus for high performance disk drives
JP3057498B2 (ja) * 1989-08-02 2000-06-26 富士通株式会社 アレイディスク装置およびそのデータ読み出し方法
US5347637A (en) * 1989-08-08 1994-09-13 Cray Research, Inc. Modular input/output system for supercomputers
JP2780821B2 (ja) * 1989-09-22 1998-07-30 株式会社日立製作所 オンライン中のダンプ方式およびディスクサブシステム
US5101492A (en) * 1989-11-03 1992-03-31 Compaq Computer Corporation Data redundancy and recovery protection
EP0428021B1 (en) * 1989-11-03 1998-09-02 Compaq Computer Corporation Method for data distribution in a disk array
US5097439A (en) * 1989-11-08 1992-03-17 Quantum Corporation Expansible fixed disk drive subsystem for computer
US5072378A (en) * 1989-12-18 1991-12-10 Storage Technology Corporation Direct access storage device with independently stored parity
JP2783369B2 (ja) * 1989-12-22 1998-08-06 シーゲイト テクノロジー インターナショナル 並列伝送装置に於ける読み込み失敗チャンネルのデータ再生復元方法並びに装置
US5402428A (en) 1989-12-25 1995-03-28 Hitachi, Ltd. Array disk subsystem
JPH03216751A (ja) * 1990-01-05 1991-09-24 Internatl Business Mach Corp <Ibm> フアイル転送方法
JPH0786810B2 (ja) * 1990-02-16 1995-09-20 富士通株式会社 アレイディスク装置
US6728832B2 (en) * 1990-02-26 2004-04-27 Hitachi, Ltd. Distribution of I/O requests across multiple disk units
US5680574A (en) * 1990-02-26 1997-10-21 Hitachi, Ltd. Data distribution utilizing a master disk unit for fetching and for writing to remaining disk units
US5315708A (en) * 1990-02-28 1994-05-24 Micro Technology, Inc. Method and apparatus for transferring data through a staging memory
US5212785A (en) * 1990-04-06 1993-05-18 Micro Technology, Inc. Apparatus and method for controlling data flow between a computer and memory devices
US5166939A (en) * 1990-03-02 1992-11-24 Micro Technology, Inc. Data storage apparatus and method
US5134619A (en) * 1990-04-06 1992-07-28 Sf2 Corporation Failure-tolerant mass storage system
US5233618A (en) * 1990-03-02 1993-08-03 Micro Technology, Inc. Data correcting applicable to redundant arrays of independent disks
US5140592A (en) * 1990-03-02 1992-08-18 Sf2 Corporation Disk array system
US5388243A (en) * 1990-03-09 1995-02-07 Mti Technology Corporation Multi-sort mass storage device announcing its active paths without deactivating its ports in a network architecture
US5088081A (en) * 1990-03-28 1992-02-11 Prime Computer, Inc. Method and apparatus for improved disk access
US5325497A (en) * 1990-03-29 1994-06-28 Micro Technology, Inc. Method and apparatus for assigning signatures to identify members of a set of mass of storage devices
US5202856A (en) * 1990-04-05 1993-04-13 Micro Technology, Inc. Method and apparatus for simultaneous, interleaved access of multiple memories by multiple ports
US5414818A (en) * 1990-04-06 1995-05-09 Mti Technology Corporation Method and apparatus for controlling reselection of a bus by overriding a prioritization protocol
US5233692A (en) * 1990-04-06 1993-08-03 Micro Technology, Inc. Enhanced interface permitting multiple-byte parallel transfers of control information and data on a small computer system interface (SCSI) communication bus and a mass storage system incorporating the enhanced interface
US5214778A (en) * 1990-04-06 1993-05-25 Micro Technology, Inc. Resource management in a multiple resource system
US5956524A (en) * 1990-04-06 1999-09-21 Micro Technology Inc. System and method for dynamic alignment of associated portions of a code word from a plurality of asynchronous sources
US5083229A (en) * 1990-04-16 1992-01-21 International Business Machines Corporation Disk drive with minimized head-arm excursions
US5130992A (en) * 1990-04-16 1992-07-14 International Business Machines Corporaiton File-based redundant parity protection in a parallel computing system
JP2554404B2 (ja) * 1990-05-21 1996-11-13 インターナショナル・ビジネス・マシーンズ・コーポレイション 自動記憶ライブラリ
JPH0731582B2 (ja) * 1990-06-21 1995-04-10 インターナショナル・ビジネス・マシーンズ・コーポレイション パリティ保護データを回復するための方法および装置
US5220569A (en) * 1990-07-09 1993-06-15 Seagate Technology, Inc. Disk array with error type indication and selection of error correction method
NL9001728A (nl) * 1990-07-31 1992-02-17 Tulip Computers International Inrichting voor het verbeteren van de efficientie van de overdracht van data naar en vanuit een geheugeneenheid die is voorzien van tenminste een harde geheugenschijf.
EP0502207B1 (en) 1990-09-20 1997-08-27 Fujitsu Limited Input/output controller
JP2691142B2 (ja) * 1990-09-20 1997-12-17 富士通株式会社 アレー型記憶システム
US5305324A (en) * 1990-09-26 1994-04-19 Demografx Data scrambling interface for correcting large burst errors in high speed, high capacity tape drives
JPH0466641U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-10-12 1992-06-12
EP0481735A3 (en) * 1990-10-19 1993-01-13 Array Technology Corporation Address protection circuit
DE4033464A1 (de) * 1990-10-20 1992-04-23 Fischer Gmbh Gert Anordnung zur selektiven kopplung mehrerer module mit einem prozessor
US5208813A (en) * 1990-10-23 1993-05-04 Array Technology Corporation On-line reconstruction of a failed redundant array system
AU8683991A (en) * 1990-11-09 1992-05-14 Array Technology Corporation Logical partitioning of a redundant array storage system
US5163162A (en) * 1990-11-14 1992-11-10 Ibm Corporation System and method for data recovery in multiple head assembly storage devices
JP2603757B2 (ja) * 1990-11-30 1997-04-23 富士通株式会社 アレ−ディスク装置の制御方法
US5333301A (en) * 1990-12-14 1994-07-26 International Business Machines Corporation Data transfer bus system and method serving multiple parallel asynchronous units
JPH05505267A (ja) * 1990-12-20 1993-08-05 イーストマン・コダック・カンパニー レーザー・プリンタ用のディスク・アレー・イメージ・メモリ
US5235601A (en) * 1990-12-21 1993-08-10 Array Technology Corporation On-line restoration of redundancy information in a redundant array system
US5274799A (en) * 1991-01-04 1993-12-28 Array Technology Corporation Storage device array architecture with copyback cache
US5239640A (en) * 1991-02-01 1993-08-24 International Business Machines Corporation Data storage system and method including data and checksum write staging storage
US5179704A (en) * 1991-03-13 1993-01-12 Ncr Corporation Method and apparatus for generating disk array interrupt signals
US5257391A (en) * 1991-08-16 1993-10-26 Ncr Corporation Disk controller having host interface and bus switches for selecting buffer and drive busses respectively based on configuration control signals
US5499337A (en) * 1991-09-27 1996-03-12 Emc Corporation Storage device array architecture with solid-state redundancy unit
US5636358A (en) * 1991-09-27 1997-06-03 Emc Corporation Method and apparatus for transferring data in a storage device including a dual-port buffer
US5237658A (en) * 1991-10-01 1993-08-17 Tandem Computers Incorporated Linear and orthogonal expansion of array storage in multiprocessor computing systems
JPH0823802B2 (ja) * 1991-11-13 1996-03-06 富士通株式会社 アレイディスク装置の状態表示方式
US5379411A (en) * 1991-11-15 1995-01-03 Fujitsu Limited Fault indication in a storage device array
US5379417A (en) * 1991-11-25 1995-01-03 Tandem Computers Incorporated System and method for ensuring write data integrity in a redundant array data storage system
JP2672916B2 (ja) * 1991-12-13 1997-11-05 富士通株式会社 アレイディスク装置のデータチェック方法
JP2597060B2 (ja) * 1991-12-13 1997-04-02 富士通株式会社 アレイディスク装置
US5537566A (en) * 1991-12-17 1996-07-16 Fujitsu Limited Apparatus and method for controlling background processing in disk array device
EP0551009B1 (en) * 1992-01-08 2001-06-13 Emc Corporation Method for synchronizing reserved areas in a redundant storage array
US5341381A (en) * 1992-01-21 1994-08-23 Tandem Computers, Incorporated Redundant array parity caching system
JP2855019B2 (ja) * 1992-02-10 1999-02-10 富士通株式会社 外部記憶装置のデータ保証方法及び外部記憶装置
JP2548480B2 (ja) * 1992-02-10 1996-10-30 富士通株式会社 アレイディスク装置のディスク装置診断方法
US5469566A (en) * 1992-03-12 1995-11-21 Emc Corporation Flexible parity generation circuit for intermittently generating a parity for a plurality of data channels in a redundant array of storage units
WO1993018456A1 (en) * 1992-03-13 1993-09-16 Emc Corporation Multiple controller sharing in a redundant storage array
US5708668A (en) * 1992-05-06 1998-01-13 International Business Machines Corporation Method and apparatus for operating an array of storage devices
US5572722A (en) * 1992-05-28 1996-11-05 Texas Instruments Incorporated Time skewing arrangement for operating random access memory in synchronism with a data processor
WO1994003857A1 (en) * 1992-08-10 1994-02-17 Advanced Logic Research, Inc. Computer interface for concurrently performing plural seeks on plural disk drives
JP3105092B2 (ja) * 1992-10-06 2000-10-30 株式会社東芝 半導体メモリ装置
GB2273584B (en) * 1992-12-16 1997-04-16 Quantel Ltd A data storage apparatus
US5689678A (en) * 1993-03-11 1997-11-18 Emc Corporation Distributed storage array system having a plurality of modular control units
US5649162A (en) * 1993-05-24 1997-07-15 Micron Electronics, Inc. Local bus interface
JP2833460B2 (ja) * 1993-12-27 1998-12-09 株式会社日立製作所 電源システム
US20030088611A1 (en) * 1994-01-19 2003-05-08 Mti Technology Corporation Systems and methods for dynamic alignment of associated portions of a code word from a plurality of asynchronous sources
US5574882A (en) * 1995-03-03 1996-11-12 International Business Machines Corporation System and method for identifying inconsistent parity in an array of storage
US5708793A (en) * 1995-03-31 1998-01-13 International Business Machines Corporation Method and apparatus using address and read head location information to provide optimal operation of a disk system
CA2220974A1 (en) * 1995-05-22 1996-11-28 Mti Technology Corporation Disk array system including a dual-ported staging memory and concurrent redundancy calculation capability
US5848230A (en) 1995-05-25 1998-12-08 Tandem Computers Incorporated Continuously available computer memory systems
US5729763A (en) * 1995-08-15 1998-03-17 Emc Corporation Data storage system
US5657468A (en) * 1995-08-17 1997-08-12 Ambex Technologies, Inc. Method and apparatus for improving performance in a reduntant array of independent disks
US5875456A (en) * 1995-08-17 1999-02-23 Nstor Corporation Storage device array and methods for striping and unstriping data and for adding and removing disks online to/from a raid storage array
US6098128A (en) 1995-09-18 2000-08-01 Cyberstorage Systems Corporation Universal storage management system
JPH09167427A (ja) * 1995-12-14 1997-06-24 Fujitsu Ltd ディスクアレイ装置
US5793553A (en) * 1996-04-19 1998-08-11 International Business Machines Corporation Method and assembly for increasing storage device reliability
US6018778A (en) * 1996-05-03 2000-01-25 Netcell Corporation Disk array controller for reading/writing striped data using a single address counter for synchronously transferring data between data ports and buffer memory
US6065100A (en) * 1996-11-12 2000-05-16 Micro-Design International Caching apparatus and method for enhancing retrieval of data from an optical storage device
US6505268B1 (en) 1996-12-20 2003-01-07 Compaq Computer Corporation Data distribution in a disk array
DE19882723T1 (de) 1997-10-08 2000-09-21 Seagate Technology Hybrides Datenspeicherungs- und Datenrekonstruierungssystem und Verfahren für eine Datenspeichervorrichtung
US6137763A (en) * 1998-09-24 2000-10-24 Zen Research N.V. Method and apparatus for buffering data in a multi-beam optical disk reader
US6427212B1 (en) 1998-11-13 2002-07-30 Tricord Systems, Inc. Data fault tolerance software apparatus and method
US6449731B1 (en) 1999-03-03 2002-09-10 Tricord Systems, Inc. Self-healing computer system storage
US6530036B1 (en) 1999-08-17 2003-03-04 Tricord Systems, Inc. Self-healing computer system storage
US6725392B1 (en) 1999-03-03 2004-04-20 Adaptec, Inc. Controller fault recovery system for a distributed file system
US7346831B1 (en) 2001-11-13 2008-03-18 Network Appliance, Inc. Parity assignment technique for parity declustering in a parity array of a storage system
US6851082B1 (en) 2001-11-13 2005-02-01 Network Appliance, Inc. Concentrated parity technique for handling double failures and enabling storage of more than one parity block per stripe on a storage device of a storage array
US7613984B2 (en) * 2001-12-28 2009-11-03 Netapp, Inc. System and method for symmetric triple parity for failing storage devices
US8402346B2 (en) * 2001-12-28 2013-03-19 Netapp, Inc. N-way parity technique for enabling recovery from up to N storage device failures
US7640484B2 (en) 2001-12-28 2009-12-29 Netapp, Inc. Triple parity technique for enabling efficient recovery from triple failures in a storage array
US7073115B2 (en) * 2001-12-28 2006-07-04 Network Appliance, Inc. Correcting multiple block data loss in a storage array using a combination of a single diagonal parity group and multiple row parity groups
US6993701B2 (en) * 2001-12-28 2006-01-31 Network Appliance, Inc. Row-diagonal parity technique for enabling efficient recovery from double failures in a storage array
US7080278B1 (en) 2002-03-08 2006-07-18 Network Appliance, Inc. Technique for correcting multiple storage device failures in a storage array
US7437727B2 (en) * 2002-03-21 2008-10-14 Network Appliance, Inc. Method and apparatus for runtime resource deadlock avoidance in a raid system
US7539991B2 (en) * 2002-03-21 2009-05-26 Netapp, Inc. Method and apparatus for decomposing I/O tasks in a raid system
US7254813B2 (en) * 2002-03-21 2007-08-07 Network Appliance, Inc. Method and apparatus for resource allocation in a raid system
US7200715B2 (en) 2002-03-21 2007-04-03 Network Appliance, Inc. Method for writing contiguous arrays of stripes in a RAID storage system using mapped block writes
US7010521B2 (en) * 2002-05-13 2006-03-07 Netezza Corporation Optimized database appliance
US6976146B1 (en) 2002-05-21 2005-12-13 Network Appliance, Inc. System and method for emulating block appended checksums on storage devices by sector stealing
JP4246979B2 (ja) * 2002-09-05 2009-04-02 株式会社日立製作所 装置管理システム
WO2004027649A1 (en) * 2002-09-18 2004-04-01 Netezza Corporation Asymmetric streaming record data processor method and apparatus
US7185144B2 (en) * 2003-11-24 2007-02-27 Network Appliance, Inc. Semi-static distribution technique
US7111147B1 (en) * 2003-03-21 2006-09-19 Network Appliance, Inc. Location-independent RAID group virtual block management
US7424637B1 (en) 2003-03-21 2008-09-09 Networks Appliance, Inc. Technique for managing addition of disks to a volume of a storage system
US7664913B2 (en) * 2003-03-21 2010-02-16 Netapp, Inc. Query-based spares management technique
US7143235B1 (en) 2003-03-21 2006-11-28 Network Appliance, Inc. Proposed configuration management behaviors in a raid subsystem
US7328364B1 (en) 2003-03-21 2008-02-05 Network Appliance, Inc. Technique for coherent suspension of I/O operations in a RAID subsystem
US7275179B1 (en) 2003-04-24 2007-09-25 Network Appliance, Inc. System and method for reducing unrecoverable media errors in a disk subsystem
US7447786B2 (en) * 2003-05-09 2008-11-04 Oracle International Corporation Efficient locking of shared data that is accessed for reads in a cluster database
US7328305B2 (en) 2003-11-03 2008-02-05 Network Appliance, Inc. Dynamic parity distribution technique
US7647451B1 (en) 2003-11-24 2010-01-12 Netapp, Inc. Data placement technique for striping data containers across volumes of a storage system cluster
US7263629B2 (en) * 2003-11-24 2007-08-28 Network Appliance, Inc. Uniform and symmetric double failure correcting technique for protecting against two disk failures in a disk array
US7366837B2 (en) * 2003-11-24 2008-04-29 Network Appliance, Inc. Data placement technique for striping data containers across volumes of a storage system cluster
JP4454346B2 (ja) * 2004-03-11 2010-04-21 株式会社日立製作所 ディスクアレイ装置の保守用端末
US20060075281A1 (en) * 2004-09-27 2006-04-06 Kimmel Jeffrey S Use of application-level context information to detect corrupted data in a storage system
JP2006107590A (ja) * 2004-10-04 2006-04-20 Nec Electronics Corp 半導体集積回路装置及びそのテスト方法
US7398460B1 (en) 2005-01-31 2008-07-08 Network Appliance, Inc. Technique for efficiently organizing and distributing parity blocks among storage devices of a storage array
US8560503B1 (en) 2006-01-26 2013-10-15 Netapp, Inc. Content addressable storage system
US8990653B2 (en) * 2006-03-31 2015-03-24 Stmicroelectronics, Inc. Apparatus and method for transmitting and recovering encoded data streams across multiple physical medium attachments
US7822921B2 (en) 2006-10-31 2010-10-26 Netapp, Inc. System and method for optimizing write operations in storage systems
US7613947B1 (en) 2006-11-30 2009-11-03 Netapp, Inc. System and method for storage takeover
US7647526B1 (en) 2006-12-06 2010-01-12 Netapp, Inc. Reducing reconstruct input/output operations in storage systems
US8312214B1 (en) 2007-03-28 2012-11-13 Netapp, Inc. System and method for pausing disk drives in an aggregate
US8209587B1 (en) 2007-04-12 2012-06-26 Netapp, Inc. System and method for eliminating zeroing of disk drives in RAID arrays
US8898536B2 (en) * 2007-04-27 2014-11-25 Netapp, Inc. Multi-core engine for detecting bit errors
US7840837B2 (en) * 2007-04-27 2010-11-23 Netapp, Inc. System and method for protecting memory during system initialization
US7836331B1 (en) 2007-05-15 2010-11-16 Netapp, Inc. System and method for protecting the contents of memory during error conditions
US7975102B1 (en) 2007-08-06 2011-07-05 Netapp, Inc. Technique to avoid cascaded hot spotting
US7984259B1 (en) 2007-12-17 2011-07-19 Netapp, Inc. Reducing load imbalance in a storage system
US9158579B1 (en) 2008-11-10 2015-10-13 Netapp, Inc. System having operation queues corresponding to operation execution time
US8495417B2 (en) * 2009-01-09 2013-07-23 Netapp, Inc. System and method for redundancy-protected aggregates
US7982994B1 (en) * 2010-05-12 2011-07-19 Seagate Technology, Llc Multi-level recording on shingled coherent magnetic media
US11016848B2 (en) 2017-11-02 2021-05-25 Seagate Technology Llc Distributed data storage system with initialization-less parity
CN113568883B (zh) * 2021-07-29 2024-06-04 上海哔哩哔哩科技有限公司 数据写入方法及装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL286162A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1961-12-07
US3303482A (en) * 1963-02-25 1967-02-07 Rca Corp Redundant recording system with parity checking
US3449718A (en) * 1965-06-10 1969-06-10 Ibm Error correction by assumption of erroneous bit position
US3417377A (en) * 1966-09-13 1968-12-17 Burroughs Corp Shift and buffer circuitry
US3742466A (en) * 1971-11-24 1973-06-26 Honeywell Inf Systems Memory system for receiving and transmitting information over a plurality of communication lines
US3876978A (en) * 1973-06-04 1975-04-08 Ibm Archival data protection
US3893178A (en) * 1973-12-19 1975-07-01 Information Storage Systems Synchronization of multiple disc drives
US4164767A (en) * 1977-03-04 1979-08-14 Burroughs Corporation Mass storage device
JPS5674807A (en) * 1979-11-21 1981-06-20 Hitachi Ltd Magnetic disk device
SE8106273L (sv) * 1980-11-03 1982-05-04 Western Electric Co Anordning for samutnyttjning och interkommunikation vid skivaggregat i databehandlingssystem
US4598357A (en) * 1980-11-14 1986-07-01 Sperry Corporation Cache/disk subsystem with file number for recovery of cached data
US4434487A (en) * 1981-10-05 1984-02-28 Digital Equipment Corporation Disk format for secondary storage system
US4612613A (en) * 1983-05-16 1986-09-16 Data General Corporation Digital data bus system for connecting a controller and disk drives

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DE3563394D1 (en) 1988-07-21
US4817035A (en) 1989-03-28
EP0156724A1 (fr) 1985-10-02
EP0156724B1 (fr) 1988-06-15
JPS60211536A (ja) 1985-10-23
US4849929A (en) 1989-07-18
FR2561428A1 (fr) 1985-09-20
FR2561428B1 (fr) 1986-09-12

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