DE3688447T2 - Magnetbandsystem und methode mit vorauswahlssteuerungsmittel. - Google Patents

Magnetbandsystem und methode mit vorauswahlssteuerungsmittel.

Info

Publication number
DE3688447T2
DE3688447T2 DE8686306378T DE3688447T DE3688447T2 DE 3688447 T2 DE3688447 T2 DE 3688447T2 DE 8686306378 T DE8686306378 T DE 8686306378T DE 3688447 T DE3688447 T DE 3688447T DE 3688447 T2 DE3688447 T2 DE 3688447T2
Authority
DE
Germany
Prior art keywords
data
drive
magnetic tape
command
host controller
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
DE8686306378T
Other languages
German (de)
English (en)
Other versions
DE3688447D1 (de
Inventor
Masayuki Ishiguro
Noboru Ohwa
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
Publication of DE3688447D1 publication Critical patent/DE3688447D1/de
Application granted granted Critical
Publication of DE3688447T2 publication Critical patent/DE3688447T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
DE8686306378T 1985-08-20 1986-08-18 Magnetbandsystem und methode mit vorauswahlssteuerungsmittel. Expired - Fee Related DE3688447T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60182820A JPS6243725A (ja) 1985-08-20 1985-08-20 磁気テ−プ装置のデ−タ先取り制御方法及びその装置

Publications (2)

Publication Number Publication Date
DE3688447D1 DE3688447D1 (de) 1993-06-24
DE3688447T2 true DE3688447T2 (de) 1993-08-26

Family

ID=16125027

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686306378T Expired - Fee Related DE3688447T2 (de) 1985-08-20 1986-08-18 Magnetbandsystem und methode mit vorauswahlssteuerungsmittel.

Country Status (7)

Country Link
US (1) US4788641A (enExample)
EP (1) EP0212966B1 (enExample)
JP (1) JPS6243725A (enExample)
KR (1) KR900001695B1 (enExample)
AU (1) AU565748B2 (enExample)
CA (1) CA1260155A (enExample)
DE (1) DE3688447T2 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU622626B2 (en) * 1987-06-03 1992-04-16 Sony Corporation Method of processing data
US5287468A (en) * 1987-06-03 1994-02-15 Sony Corporation Method and apparatus for processing information data
EP0557452A4 (en) * 1990-11-13 1993-12-22 Wangtek, Inc. System and method of controlling data transfer rate in a magnetic tape drive
US5787475A (en) * 1992-07-21 1998-07-28 Digital Equipment Corporation Controlled prefetching of data requested by a peripheral
US5487171A (en) * 1992-09-18 1996-01-23 Storage Technology Corporation System for reading and stopping reading data from magnetic tape into memory in response to mount command and write command respectively from the system processor
WO1994019748A2 (en) * 1993-01-11 1994-09-01 Central Point Software, Inc. Method of transferring data using dynamic data block sizing
TW233354B (en) * 1994-03-04 1994-11-01 Motorola Inc Data processor with memory cache and method of operation
US6012106A (en) * 1997-11-03 2000-01-04 Digital Equipment Corporation Prefetch management for DMA read transactions depending upon past history of actual transfer lengths
US6112261A (en) * 1998-05-04 2000-08-29 Hewlett-Packard Company Data transferring system reading and temporarily storing a record until a length of the record is different from a defined record length parameter value
US6515672B1 (en) * 1999-12-23 2003-02-04 Intel Corporation Managing prefetching from a data buffer
GB2367182B (en) * 2000-09-20 2004-05-26 Hewlett Packard Co Improvements in and relating to data protection
US11681437B2 (en) * 2021-02-25 2023-06-20 International Business Machines Corporation Dynamic tape storage device data buffer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383660A (en) * 1960-02-12 1968-05-14 Gen Electric Data processing system
US4040026A (en) * 1974-05-08 1977-08-02 Francois Gernelle Channel for exchanging information between a computer and rapid peripheral units
US4330844A (en) * 1979-12-12 1982-05-18 Honeywell Information Systems Inc. Logic timing system for tape device adapter
US4435762A (en) * 1981-03-06 1984-03-06 International Business Machines Corporation Buffered peripheral subsystems
US4500965A (en) * 1982-06-04 1985-02-19 Cipher Data Products, Inc. Capstanless magnetic tape drive with electronic equivalent to length of tape
DE3232339A1 (de) * 1982-08-31 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Datenverarbeitungsanlage mit angeschlossenen bewegten aufzeichnungstraegern als periphere geraete und durchfuehrung von ein-/ausgabeoperationen im streaming-betrieb
US4644463A (en) * 1982-12-07 1987-02-17 Burroughs Corporation System for regulating data transfer operations
US4757396A (en) * 1985-07-12 1988-07-12 Fujitsu Limited Magnetic tape system with command prefetch means

Also Published As

Publication number Publication date
AU6108486A (en) 1987-03-19
CA1260155A (en) 1989-09-26
AU565748B2 (en) 1987-09-24
JPH0451851B2 (enExample) 1992-08-20
EP0212966A2 (en) 1987-03-04
DE3688447D1 (de) 1993-06-24
US4788641A (en) 1988-11-29
KR900001695B1 (ko) 1990-03-19
KR870002511A (ko) 1987-03-31
JPS6243725A (ja) 1987-02-25
EP0212966B1 (en) 1993-05-19
EP0212966A3 (en) 1989-12-20

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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