DE69112445D1 - Netzwerkplattenanordnung. - Google Patents

Netzwerkplattenanordnung.

Info

Publication number
DE69112445D1
DE69112445D1 DE69112445T DE69112445T DE69112445D1 DE 69112445 D1 DE69112445 D1 DE 69112445D1 DE 69112445 T DE69112445 T DE 69112445T DE 69112445 T DE69112445 T DE 69112445T DE 69112445 D1 DE69112445 D1 DE 69112445D1
Authority
DE
Germany
Prior art keywords
network disk
disk arrangement
arrangement
network
disk
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
DE69112445T
Other languages
English (en)
Other versions
DE69112445T2 (de
Inventor
Tomohisa Oyama
Yumiko Ohizumi
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
Application granted granted Critical
Publication of DE69112445D1 publication Critical patent/DE69112445D1/de
Publication of DE69112445T2 publication Critical patent/DE69112445T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G06F11/08—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; 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
    • G06F11/08—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; CALCULATING OR 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
    • G06—COMPUTING; CALCULATING OR 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
DE69112445T 1990-02-16 1991-02-15 Netzwerkplattenanordnung. Expired - Lifetime DE69112445T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2033930A JPH0786810B2 (ja) 1990-02-16 1990-02-16 アレイディスク装置

Publications (2)

Publication Number Publication Date
DE69112445D1 true DE69112445D1 (de) 1995-10-05
DE69112445T2 DE69112445T2 (de) 1996-04-25

Family

ID=12400235

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69112445T Expired - Lifetime DE69112445T2 (de) 1990-02-16 1991-02-15 Netzwerkplattenanordnung.

Country Status (4)

Country Link
US (1) US5253256A (de)
EP (1) EP0442531B1 (de)
JP (1) JPH0786810B2 (de)
DE (1) DE69112445T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2923702B2 (ja) * 1991-04-01 1999-07-26 株式会社日立製作所 記憶装置及びそのデータ修復方法
US5506979A (en) * 1991-04-02 1996-04-09 International Business Machines Corporation Method and means for execution of commands accessing variable length records stored on fixed block formatted DASDS of an N+2 DASD synchronous array
US5379411A (en) * 1991-11-15 1995-01-03 Fujitsu Limited Fault indication in a storage device array
JP2597060B2 (ja) * 1991-12-13 1997-04-02 富士通株式会社 アレイディスク装置
US5506977A (en) * 1991-12-17 1996-04-09 Dell Usa, L.P. Method and controller for minimizing reads during partial stripe write operations to a disk drive
JPH05181617A (ja) * 1991-12-26 1993-07-23 Hitachi Ltd ディスクサブシステムの高信頼化方式
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
US5933592A (en) * 1995-10-13 1999-08-03 Digital Equipment Corporation Promoting device level error to raidset level error to restore redundacy in a raid array data storage system
US5826001A (en) * 1995-10-13 1998-10-20 Digital Equipment Corporation Reconstructing data blocks in a raid array data storage system having storage device metadata and raid set metadata
JPH09167427A (ja) * 1995-12-14 1997-06-24 Fujitsu Ltd ディスクアレイ装置
JPH1040022A (ja) * 1996-07-26 1998-02-13 Nec Corp 磁気ディスク制御装置
KR100208383B1 (ko) 1997-06-03 1999-07-15 윤종용 하드 디스크 드라이브의 용량변환 생산방법
US6092215A (en) * 1997-09-29 2000-07-18 International Business Machines Corporation System and method for reconstructing data in a storage array system
US6247152B1 (en) 1999-03-31 2001-06-12 International Business Machines Corporation Relocating unreliable disk sectors when encountering disk drive read errors with notification to user when data is bad
US6426928B1 (en) 1999-03-31 2002-07-30 International Business Machines Corporation Ability to distinguish true disk write errors
US6332204B1 (en) 1999-03-31 2001-12-18 International Business Machines Corporation Recovering and relocating unreliable disk sectors when encountering disk drive read errors
JP4307777B2 (ja) * 2002-01-28 2009-08-05 インターナショナル・ビジネス・マシーンズ・コーポレーション データ処理方法、データ処理システムおよびプログラム
JP4143040B2 (ja) * 2004-03-31 2008-09-03 東芝ソリューション株式会社 ディスクアレイ制御装置、同装置に適用されるデータ欠損検出時の処理方法及びプログラム
JP4303187B2 (ja) 2004-11-10 2009-07-29 富士通株式会社 プログラム、記憶制御方法及び記憶装置
JP4754852B2 (ja) 2005-03-15 2011-08-24 富士通株式会社 ストレージ制御装置および方法
JP4499776B2 (ja) 2007-10-31 2010-07-07 富士通株式会社 ストレージ制御装置、方法、及びプログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742459A (en) * 1971-11-26 1973-06-26 Burroughs Corp Data processing method and apparatus adapted to sequentially pack error correcting characters into memory locations
JPS6074020A (ja) * 1983-09-30 1985-04-26 Toshiba Corp 記憶装置
FR2561428B1 (fr) * 1984-03-16 1986-09-12 Bull Sa Procede d'enregistrement dans une memoire a disques et systeme de memoire a disques
US4775978A (en) * 1987-01-12 1988-10-04 Magnetic Peripherals Inc. Data error correction system
US4817095A (en) * 1987-05-15 1989-03-28 Digital Equipment Corporation Byte write error code method and apparatus
CA1296103C (en) * 1987-06-02 1992-02-18 Theodore Jay Goodlander High-speed, high capacity, fault-tolerant, error-correcting storage system
JPH01130243A (ja) * 1987-11-17 1989-05-23 Hitachi Ltd 記憶装置の障害回復方式
US4989205A (en) * 1988-06-28 1991-01-29 Storage Technology Corporation Disk drive memory
US5077736A (en) * 1988-06-28 1991-12-31 Storage Technology Corporation Disk drive memory
US4989206A (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

Also Published As

Publication number Publication date
JPH03240123A (ja) 1991-10-25
DE69112445T2 (de) 1996-04-25
EP0442531B1 (de) 1995-08-30
EP0442531A2 (de) 1991-08-21
US5253256A (en) 1993-10-12
EP0442531A3 (en) 1992-04-08
JPH0786810B2 (ja) 1995-09-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition