DE69314739D1 - Plattenantriebsynchronisation - Google Patents

Plattenantriebsynchronisation

Info

Publication number
DE69314739D1
DE69314739D1 DE69314739T DE69314739T DE69314739D1 DE 69314739 D1 DE69314739 D1 DE 69314739D1 DE 69314739 T DE69314739 T DE 69314739T DE 69314739 T DE69314739 T DE 69314739T DE 69314739 D1 DE69314739 D1 DE 69314739D1
Authority
DE
Germany
Prior art keywords
disk drive
drive synchronization
synchronization
disk
drive
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
DE69314739T
Other languages
English (en)
Inventor
J Wyn Jones
Stephen Peter Legg
Eric Lewis Newman
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
Application granted granted Critical
Publication of DE69314739D1 publication Critical patent/DE69314739D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/40—Combinations of multiple record carriers
    • G11B2220/41—Flat as opposed to hierarchical combination, e.g. library of tapes or discs, CD changer, or groups of record carriers that together store one title
    • G11B2220/415—Redundant array of inexpensive disks [RAID] systems
DE69314739T 1992-09-18 1993-08-31 Plattenantriebsynchronisation Expired - Lifetime DE69314739D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9219762A GB2270790A (en) 1992-09-18 1992-09-18 Disk drive synchronisation

Publications (1)

Publication Number Publication Date
DE69314739D1 true DE69314739D1 (de) 1997-11-27

Family

ID=10722126

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69314739T Expired - Lifetime DE69314739D1 (de) 1992-09-18 1993-08-31 Plattenantriebsynchronisation

Country Status (5)

Country Link
US (2) US5598303A (de)
EP (1) EP0588527B1 (de)
JP (1) JP2501000B2 (de)
DE (1) DE69314739D1 (de)
GB (1) GB2270790A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0544954B1 (de) * 1991-12-05 1996-04-24 International Business Machines Corporation Plattenlaufwerksynchronisierung
US5841604A (en) * 1993-12-15 1998-11-24 Cirrus Logic, Inc. Masterless spindle synchronization in a multiple disk drive storage system
JP3085085B2 (ja) * 1994-05-09 2000-09-04 三菱電機株式会社 データアクセス装置及び分散データベースシステム
US5896280A (en) 1997-11-25 1999-04-20 Exide Electronics Corporation Frequency converter and improved UPS employing the same
TW337580B (en) 1996-07-24 1998-08-01 Hitachi Ltd Disc reproducing method and disc reproducing apparatus
US6603625B1 (en) * 2000-09-11 2003-08-05 Western Digital Technologies, Inc. Spindle synchronizing a plurality of spindles connected to a multi-dimensional computer network
TW544669B (en) * 2000-11-30 2003-08-01 Via Tech Inc Searching method and device for position of optical pick-up head
US7092184B2 (en) * 2002-08-05 2006-08-15 Seagate Technology Llc Monitoring a sensor's output using a target window that is based on a longitudinal offset's position-dependent indicator
US7079341B2 (en) * 2004-03-11 2006-07-18 International Business Machines Corporation Multiple disk, variable RPM data storage system for reducing power consumption
US20080005384A1 (en) * 2006-06-01 2008-01-03 Broadcom Corporation, A California Corporation Hard disk drive progressive channel interface
US7949825B2 (en) * 2007-04-10 2011-05-24 At&T Intellectual Property I, Lp Disk array synchronization using power distribution
US8095729B2 (en) 2008-12-22 2012-01-10 At&T Intellectual Property I, Lp Disk drive array synchronization via short-range RF signaling
US9865291B1 (en) 2017-05-22 2018-01-09 Seagate Technology Llc Primary and secondary servo timing gates used with simultaneously operating readers

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911488A (en) * 1970-10-12 1975-10-07 Ampex Method and apparatus for synchronizing record/reproduce transports
US3893178A (en) * 1973-12-19 1975-07-01 Information Storage Systems Synchronization of multiple disc drives
US4618897A (en) * 1985-02-11 1986-10-21 Ixi Laboratories, Inc. System for synchronizing plural data storage devices to a common master
US4675864A (en) * 1985-06-04 1987-06-23 Hewlett-Packard Company Serial bus system
US4862411A (en) * 1987-02-26 1989-08-29 International Business Machines Corporation Multiple copy data mechanism on synchronous disk drives
US4918544A (en) * 1987-06-17 1990-04-17 Nec Corporation Multi-spindle synchronization control system for magnetic disk apparatus
US4870643A (en) * 1987-11-06 1989-09-26 Micropolis Corporation Parallel drive array storage system
JPH0738267B2 (ja) * 1987-12-28 1995-04-26 日本電気株式会社 ディスク装置スピンドルモータ制御方式
US4907105A (en) * 1988-03-11 1990-03-06 Maxtor Corporation Synchronized spindle control for disk drives
JPH084393B2 (ja) * 1989-06-01 1996-01-17 株式会社日立製作所 回転型記憶装置
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
JPH04335255A (ja) * 1991-05-13 1992-11-24 Mitsubishi Electric Corp ディスク同期制御装置および同期制御方法
US5555390A (en) * 1992-10-19 1996-09-10 International Business Machines Corporation Data storage method and subsystem including a device controller for respecifying an amended start address
US5416648A (en) * 1993-03-25 1995-05-16 Quantum Corporation Masterless synchronized spindle control for hard disk drives

Also Published As

Publication number Publication date
GB2270790A (en) 1994-03-23
JP2501000B2 (ja) 1996-05-29
EP0588527B1 (de) 1997-10-22
GB9219762D0 (en) 1992-10-28
EP0588527A1 (de) 1994-03-23
JPH06175790A (ja) 1994-06-24
US5598303A (en) 1997-01-28
US5796540A (en) 1998-08-18

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8332 No legal effect for de
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted