JPH1166730A - 磁気テープ装置の制御方法 - Google Patents

磁気テープ装置の制御方法

Info

Publication number
JPH1166730A
JPH1166730A JP9221408A JP22140897A JPH1166730A JP H1166730 A JPH1166730 A JP H1166730A JP 9221408 A JP9221408 A JP 9221408A JP 22140897 A JP22140897 A JP 22140897A JP H1166730 A JPH1166730 A JP H1166730A
Authority
JP
Japan
Prior art keywords
data
magnetic tape
read
command
data block
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.)
Pending
Application number
JP9221408A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1166730A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Tomonori Mase
朋憲 間瀬
Katsuo Enohara
勝男 榎原
Osamu Shimura
修 志村
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
Priority to JP9221408A priority Critical patent/JPH1166730A/ja
Priority to US09/013,050 priority patent/US6026468A/en
Publication of JPH1166730A publication Critical patent/JPH1166730A/ja
Publication of JPH1166730A5 publication Critical patent/JPH1166730A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G06F3/0682—Tape device
    • 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
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/061—Improving I/O performance
    • G06F3/0613—Improving I/O performance in relation to throughput
    • 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
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
    • G06F3/0656—Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/20—Moving record carrier backwards or forwards by finite amounts, i.e. backspacing, forward spacing
    • 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
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • 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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • 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
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
JP9221408A 1997-08-18 1997-08-18 磁気テープ装置の制御方法 Pending JPH1166730A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9221408A JPH1166730A (ja) 1997-08-18 1997-08-18 磁気テープ装置の制御方法
US09/013,050 US6026468A (en) 1997-08-18 1998-01-26 Method of controlling magnetic tape unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9221408A JPH1166730A (ja) 1997-08-18 1997-08-18 磁気テープ装置の制御方法

Publications (2)

Publication Number Publication Date
JPH1166730A true JPH1166730A (ja) 1999-03-09
JPH1166730A5 JPH1166730A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2004-12-02

Family

ID=16766280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9221408A Pending JPH1166730A (ja) 1997-08-18 1997-08-18 磁気テープ装置の制御方法

Country Status (2)

Country Link
US (1) US6026468A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH1166730A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7568067B1 (en) 1999-08-06 2009-07-28 Fujitsu Limited Method for controlling magnetic tape unit

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3077667B2 (ja) * 1998-04-24 2000-08-14 日本電気株式会社 磁気テープ装置及びコンピュータ読み取り可能な磁気テープ媒体
AU2002328067A1 (en) * 2002-09-02 2004-03-19 Settec, Inc. A copying apparatus for copying a recoding medium, a method thereof and a computer program thereof
US20060126520A1 (en) * 2004-12-15 2006-06-15 Cisco Technology, Inc. Tape acceleration
US8069270B1 (en) * 2005-09-06 2011-11-29 Cisco Technology, Inc. Accelerated tape backup restoration
US8266431B2 (en) * 2005-10-31 2012-09-11 Cisco Technology, Inc. Method and apparatus for performing encryption of data at rest at a port of a network device
US20070115579A1 (en) * 2005-11-18 2007-05-24 Ngo Khanh V Method to test a tape drive
US20090159682A1 (en) * 2007-12-24 2009-06-25 Dynamics Inc. Cards and devices with multi-function magnetic emulators and methods for using same
US8464074B1 (en) 2008-05-30 2013-06-11 Cisco Technology, Inc. Storage media encryption with write acceleration
US7821728B2 (en) * 2008-07-11 2010-10-26 International Business Machines Corporation Detection of defective tape drive by aggregating read error statistics
US8289640B2 (en) * 2008-08-11 2012-10-16 International Business Machines Corporation Error burst detection and amelioration
US9036286B2 (en) * 2008-12-25 2015-05-19 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Reading data stored in recording medium
US8717698B2 (en) 2011-10-12 2014-05-06 International Business Machines Corporation Hierarchical control of tiered error recovery for storage devices
US10489295B2 (en) * 2012-10-08 2019-11-26 Sandisk Technologies Llc Systems and methods for managing cache pre-fetch
CN104834475B (zh) * 2014-02-07 2017-11-21 广明光电股份有限公司 固态硬盘的读取方法
US11442659B2 (en) * 2019-11-20 2022-09-13 International Business Machines Corporation Reading sequentially stored files based on read ahead groups

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61112244A (ja) * 1984-10-03 1986-05-30 Fujitsu Ltd 磁気テ−プによるリカバリ方式
JPS6297020A (ja) * 1985-10-23 1987-05-06 Fujitsu Ltd 磁気テ−プ制御方法
JPH04128917A (ja) * 1990-09-20 1992-04-30 Fujitsu Ltd 読み取り再試行回路
JPH04149866A (ja) * 1990-10-15 1992-05-22 Shikoku Nippon Denki Software Kk 磁気テープサブシステムテスタ
JPH04248613A (ja) * 1991-02-05 1992-09-04 Fujitsu Ltd 磁気テープ制御装置
JP3032321B2 (ja) * 1991-04-26 2000-04-17 富士通株式会社 光ディスク装置のアクセス制御方式
US5420983A (en) * 1992-08-12 1995-05-30 Digital Equipment Corporation Method for merging memory blocks, fetching associated disk chunk, merging memory blocks with the disk chunk, and writing the merged data
JPH0830397A (ja) * 1994-07-20 1996-02-02 Sony Corp 情報記憶装置
US5630092A (en) * 1994-10-20 1997-05-13 International Business Machines System and method for transferring compressed and uncompressed data between storage systems
US5829046A (en) * 1995-10-27 1998-10-27 Emc Corporation On-line tape backup using an integrated cached disk array
US5671389A (en) * 1996-01-11 1997-09-23 Quantum Corporation Adaptive compression caching for tape recording
US5845316A (en) * 1996-05-23 1998-12-01 Lucent Technologies Inc. Scheduling random I/O for data storage tape
US5911148A (en) * 1997-05-29 1999-06-08 International Business Machines Corporation Automated message processing system configured for automated tape device management

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7568067B1 (en) 1999-08-06 2009-07-28 Fujitsu Limited Method for controlling magnetic tape unit

Also Published As

Publication number Publication date
US6026468A (en) 2000-02-15

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