DE69515081T2 - Redundantes Speicherplattensystem - Google Patents

Redundantes Speicherplattensystem

Info

Publication number
DE69515081T2
DE69515081T2 DE69515081T DE69515081T DE69515081T2 DE 69515081 T2 DE69515081 T2 DE 69515081T2 DE 69515081 T DE69515081 T DE 69515081T DE 69515081 T DE69515081 T DE 69515081T DE 69515081 T2 DE69515081 T2 DE 69515081T2
Authority
DE
Germany
Prior art keywords
disk system
redundant disk
redundant
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 - Fee Related
Application number
DE69515081T
Other languages
English (en)
Other versions
DE69515081D1 (de
Inventor
Makoto Tsurumi
Hiroyuki Iwasa
Hiroaki Okumiya
Akira Takeshita
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69515081D1 publication Critical patent/DE69515081D1/de
Application granted granted Critical
Publication of DE69515081T2 publication Critical patent/DE69515081T2/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
    • G06F11/20—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
    • G06F11/2056—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 by mirroring
    • G06F11/2087—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 by mirroring with a common controller
    • 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
    • G06F3/0683—Plurality of storage devices
    • G06F3/0689—Disk arrays, e.g. RAID, JBOD
    • 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
    • G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
    • 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
    • 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
    • G06F2003/0697—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers device management, e.g. handlers, drivers, I/O schedulers
DE69515081T 1994-04-14 1995-04-18 Redundantes Speicherplattensystem Expired - Fee Related DE69515081T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6076213A JPH07281840A (ja) 1994-04-14 1994-04-14 ２重化ディスク記録装置

Publications (2)

Publication Number Publication Date
DE69515081D1 DE69515081D1 (de) 2000-03-23
DE69515081T2 true DE69515081T2 (de) 2000-09-14

Family

ID=13598902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69515081T Expired - Fee Related DE69515081T2 (de) 1994-04-14 1995-04-18 Redundantes Speicherplattensystem

Country Status (6)

Country Link
US (1) US5887128A (de)
EP (1) EP0682314B1 (de)
JP (1) JPH07281840A (de)
KR (1) KR950029938A (de)
CN (1) CN1136696A (de)
DE (1) DE69515081T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10320130A (ja) * 1997-05-02 1998-12-04 Internatl Business Mach Corp <Ibm> ディスク処理装置および記録媒体
US6374363B1 (en) * 1998-02-24 2002-04-16 Adaptec, Inc. Method for generating a footprint image file for an intelligent backup and restoring system
JP3866862B2 (ja) * 1998-06-05 2007-01-10 パイオニア株式会社 情報記録装置及び方法
US6577912B1 (en) * 1999-01-13 2003-06-10 Matsushita Electric Industrial Co., Ltd Computer device for production equipment
EP1198793A4 (de) * 1999-05-03 2004-05-12 3Ware Inc Verfahren und vorrichtung für eine symmetrische plattenanordnung
US6629262B1 (en) 1999-09-30 2003-09-30 Toshiba Tec Kabushiki Kaisha Multiplexed storage controlling device
KR100331042B1 (ko) * 1999-12-15 2002-04-06 장갑석 통신시스템에서의 이중화 저장장치
KR100348566B1 (ko) * 1999-12-15 2002-08-14 (주)유니와이드 테크놀러지 통신시스템에서의 이중화 저장장치
US6654862B2 (en) * 2000-12-29 2003-11-25 Ncr Corporation High performance disk mirroring
GB2407896B (en) * 2001-01-31 2005-06-22 Hewlett Packard Co Storage apparatus
WO2003050683A1 (fr) * 2001-08-31 2003-06-19 Legend (Beijing) Limited Procede de sauvegarde et de recuperation de donnees sur le disque dur d'un ordinateur
JP4209252B2 (ja) * 2003-05-19 2009-01-14 株式会社ストレージ・ビジョン 記録装置
CN100383757C (zh) * 2003-09-23 2008-04-23 华为技术有限公司 磁盘数据备份系统及其方法
US7890696B2 (en) * 2006-06-29 2011-02-15 Seagate Technology Llc Command queue ordering with directional and floating write bands
US7644206B2 (en) * 2006-06-30 2010-01-05 Seagate Technology Llc Command queue ordering by positionally pushing access commands
US8244975B2 (en) * 2006-06-30 2012-08-14 Seagate Technology Llc Command queue ordering by flipping active write zones
JP6366013B2 (ja) * 2014-04-30 2018-08-01 パナソニックＩｐマネジメント株式会社 画像記録装置及び画像記録方法
US9886209B2 (en) * 2016-02-16 2018-02-06 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Controlling file placement on a disk drive to improve file access

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403689A (nl) * 1984-12-05 1986-07-01 Philips Nv Geheugeninrichting bevattende een informatiedrager die ten minste twee complementair uitleesbare geheugens met identieke informatie bevat.
US4783705A (en) * 1986-02-27 1988-11-08 Quantum Corporation High capacity disk file with embedded sector servo and SCSI interface
JPS63124269A (ja) * 1986-11-03 1988-05-27 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 記憶データのアクセス要求に対する応答時間を短縮する方法
US5075805A (en) * 1988-02-25 1991-12-24 Tandon Corporation Disk drive controller system
JPH029063A (ja) * 1988-06-28 1990-01-12 Nec Corp ディスク制御装置
US5128810A (en) * 1988-08-02 1992-07-07 Cray Research, Inc. Single disk emulation interface for an array of synchronous spindle disk drives
JPH0256019A (ja) * 1988-08-19 1990-02-26 Osaka Gas Co Ltd 複数ディスクを利用した情報の重複記録再生方法
US5148432A (en) * 1988-11-14 1992-09-15 Array Technology Corporation Arrayed disk drive system and method
JPH077567B2 (ja) * 1988-11-15 1995-01-30 ティアツク株式会社 フロッピーディスクの識別方法
US5237466A (en) * 1989-11-02 1993-08-17 International Business Machines Corporation Method and apparatus for programmably controlling spindle synchronization and phase among disk drives in a storage subsystem
US5191584A (en) * 1991-02-20 1993-03-02 Micropolis Corporation Mass storage array with efficient parity calculation
US5371882A (en) * 1992-01-14 1994-12-06 Storage Technology Corporation Spare disk drive replacement scheduling system for a disk drive array data storage subsystem
US5241668A (en) * 1992-04-20 1993-08-31 International Business Machines Corporation Method and system for automated termination and resumption in a time zero backup copy process
US5418925A (en) * 1992-10-23 1995-05-23 At&T Global Information Solutions Company Fast write I/O handling in a disk array using spare drive for buffering
US5388085A (en) * 1993-03-03 1995-02-07 International Business Machines Corporation Apparatus and method for accessing sectors of a rotating disk
US5463758A (en) * 1993-08-02 1995-10-31 International Business Machines Corporation System and method for reducing seek time for read operations in mirrored DASD files

Also Published As

Publication number Publication date
EP0682314A2 (de) 1995-11-15
US5887128A (en) 1999-03-23
KR950029938A (ko) 1995-11-24
EP0682314B1 (de) 2000-02-16
DE69515081D1 (de) 2000-03-23
JPH07281840A (ja) 1995-10-27
CN1136696A (zh) 1996-11-27
EP0682314A3 (de) 1996-03-20

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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