DE68921994T2 - Gerät zur Zusammenstellung und Abtrennung von zwischen einem Rechner und einem Hochkapazität-Bandspeicher übertragenen Datenpaketen. - Google Patents

Gerät zur Zusammenstellung und Abtrennung von zwischen einem Rechner und einem Hochkapazität-Bandspeicher übertragenen Datenpaketen.

Info

Publication number
DE68921994T2
DE68921994T2 DE68921994T DE68921994T DE68921994T2 DE 68921994 T2 DE68921994 T2 DE 68921994T2 DE 68921994 T DE68921994 T DE 68921994T DE 68921994 T DE68921994 T DE 68921994T DE 68921994 T2 DE68921994 T2 DE 68921994T2
Authority
DE
Germany
Prior art keywords
compiling
computer
data packets
packets transmitted
separating data
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
DE68921994T
Other languages
English (en)
Other versions
DE68921994D1 (de
Inventor
Jeff J Kato
David W Ruska
Moren David J Van
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE68921994D1 publication Critical patent/DE68921994D1/de
Application granted granted Critical
Publication of DE68921994T2 publication Critical patent/DE68921994T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/06Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601Interfaces specially adapted for storage systems
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1201Formatting, e.g. arrangement of data block or words on the record carriers on tapes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/06Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601Interfaces specially adapted for storage systems
    • G06F3/0668Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671In-line storage system
    • G06F3/0673Single storage device
    • G06F3/0682Tape device
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007Time or data compression or expansion
DE68921994T 1988-01-08 1989-01-05 Gerät zur Zusammenstellung und Abtrennung von zwischen einem Rechner und einem Hochkapazität-Bandspeicher übertragenen Datenpaketen. Expired - Fee Related DE68921994T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/142,180 US4891784A (en) 1988-01-08 1988-01-08 High capacity tape drive transparently writes and reads large packets of blocked data between interblock gaps

Publications (2)

Publication Number Publication Date
DE68921994D1 DE68921994D1 (de) 1995-05-11
DE68921994T2 true DE68921994T2 (de) 1995-08-17

Family

ID=22498867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921994T Expired - Fee Related DE68921994T2 (de) 1988-01-08 1989-01-05 Gerät zur Zusammenstellung und Abtrennung von zwischen einem Rechner und einem Hochkapazität-Bandspeicher übertragenen Datenpaketen.

Country Status (5)

Country Link
US (1) US4891784A (de)
EP (1) EP0324542B1 (de)
JP (1) JP2888530B2 (de)
KR (1) KR920002581B1 (de)
DE (1) DE68921994T2 (de)

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US5235695A (en) * 1989-06-28 1993-08-10 International Business Machines Corporation Apparatus for efficient utilization of removable data recording media
DE69021143T2 (de) * 1989-06-28 1996-02-29 Ibm Verfahren zur wirksamen Verwendung von auswechselbaren Aufzeichnungsmedien für Daten.
US5335328A (en) * 1989-06-28 1994-08-02 International Business Machines Corporation Methods for recording and reading data from a record member having data in any one of a plurality of block formats including determining length of records being transferred
GB9001312D0 (en) * 1990-01-19 1990-03-21 Hewlett Packard Ltd Storage of compressed data
GB9001335D0 (en) * 1990-01-19 1990-03-21 Hewlett Packard Ltd Data storage on tape
WO1991011000A1 (en) * 1990-01-19 1991-07-25 Hewlett-Packard Limited Data dictionary sharing
WO1991010999A1 (en) * 1990-01-19 1991-07-25 Hewlett-Packard Limited Compressed data access
GB9001334D0 (en) * 1990-01-19 1990-03-21 Hewlett Packard Ltd Data storage
EP0439290B1 (de) * 1990-01-21 1996-10-16 Sony Corporation Aufzeichnungs- und Wiedergabegerät
DE69031031T2 (de) * 1990-05-29 1997-10-30 Hewlett Packard Ltd Bandspeicherung
DE69022229T2 (de) * 1990-07-25 1996-02-29 Hewlett Packard Ltd Einrichtung zum Auslesen digitaler Daten von einem Band.
US5581458A (en) * 1990-07-31 1996-12-03 Conner Peripherals, Inc. Bufered intelligent digital tape controller with onboard ECC and featuring global control variables
US5321558A (en) * 1990-09-12 1994-06-14 Professional Consulting And Computing Services, Inc. Method of storing data on a magnetic tape
US5490260A (en) * 1990-12-14 1996-02-06 Ceram, Inc. Solid-state RAM data storage for virtual memory computer using fixed-sized swap pages with selective compressed/uncompressed data store according to each data size
US5194995A (en) * 1991-01-09 1993-03-16 Wangdat, Inc. Method and apparatus for recording compressed data on DAT media
US5212772A (en) * 1991-02-11 1993-05-18 Gigatrend Incorporated System for storing data in backup tape device
JPH087664B2 (ja) * 1991-07-22 1996-01-29 富士通株式会社 磁気テープシステム
US5481701A (en) * 1991-09-13 1996-01-02 Salient Software, Inc. Method and apparatus for performing direct read of compressed data file
CA2077271C (en) * 1991-12-13 1998-07-28 David J. Craft Method and apparatus for compressing data
US5446602A (en) * 1992-02-28 1995-08-29 E-Systems, Inc. Tape media formatted to include multiple, spaced apart system zones each for storing volume format information
US6435737B1 (en) 1992-06-30 2002-08-20 Discovision Associates Data pipeline system and data encoding method
US6112017A (en) * 1992-06-30 2000-08-29 Discovision Associates Pipeline processing machine having a plurality of reconfigurable processing stages interconnected by a two-wire interface bus
US6034674A (en) * 1992-06-30 2000-03-07 Discovision Associates Buffer manager
US6067417A (en) * 1992-06-30 2000-05-23 Discovision Associates Picture start token
US7095783B1 (en) 1992-06-30 2006-08-22 Discovision Associates Multistandard video decoder and decompression system for processing encoded bit streams including start codes and methods relating thereto
US6047112A (en) * 1992-06-30 2000-04-04 Discovision Associates Technique for initiating processing of a data stream of encoded video information
US5603012A (en) * 1992-06-30 1997-02-11 Discovision Associates Start code detector
US5809270A (en) * 1992-06-30 1998-09-15 Discovision Associates Inverse quantizer
DE69229338T2 (de) * 1992-06-30 1999-12-16 Discovision Ass Datenpipelinesystem
US6417859B1 (en) 1992-06-30 2002-07-09 Discovision Associates Method and apparatus for displaying video data
US6330665B1 (en) 1992-06-30 2001-12-11 Discovision Associates Video parser
US6079009A (en) * 1992-06-30 2000-06-20 Discovision Associates Coding standard token in a system compromising a plurality of pipeline stages
US5768561A (en) * 1992-06-30 1998-06-16 Discovision Associates Tokens-based adaptive video processing arrangement
US5357614A (en) * 1992-09-17 1994-10-18 Rexon/Tecmar, Inc. Data compression controller
US5805914A (en) * 1993-06-24 1998-09-08 Discovision Associates Data pipeline system and data encoding method
US5734373A (en) * 1993-07-16 1998-03-31 Immersion Human Interface Corporation Method and apparatus for controlling force feedback interface systems utilizing a host computer
KR0167587B1 (ko) * 1993-07-26 1999-03-20 모리시타 요이찌 디지털데이터기록재생장치
US5440686A (en) * 1993-12-22 1995-08-08 International Business Machines Corporation Selecting a data unit candidate to be demoted to a backing store from a front store based upon thresholds individual to each of the data candidates
US5563595A (en) * 1993-12-23 1996-10-08 International Business Machines Corporation Method and apparatus for compressing data
CA2145365C (en) * 1994-03-24 1999-04-27 Anthony M. Jones Method for accessing banks of dram
CA2145379C (en) * 1994-03-24 1999-06-08 William P. Robbins Method and apparatus for addressing memory
CA2145363C (en) * 1994-03-24 1999-07-13 Anthony Mark Jones Ram interface
US5801973A (en) * 1994-07-29 1998-09-01 Discovision Associates Video decompression
GB9417138D0 (en) * 1994-08-23 1994-10-12 Discovision Ass Data rate conversion
EP0915413A1 (de) * 1997-10-31 1999-05-12 Hewlett-Packard Company Datenkodierung mit umschaltbarer Kompression
EP0913825B1 (de) * 1997-10-31 2013-05-01 Hewlett-Packard Development Company, L.P. Datenkodierung
EP0913760A1 (de) 1997-10-31 1999-05-06 Hewlett-Packard Company Datenkodierung
EP0913761A1 (de) 1997-10-31 1999-05-06 Hewlett-Packard Company Datenkodierung
EP0913824B1 (de) 1997-10-31 2013-08-14 Hewlett-Packard Development Company, L.P. Erzeugung von Anhängungspunkten in kodierten Daten
EP0913823B1 (de) * 1997-10-31 2013-05-22 Hewlett-Packard Development Company, L.P. Datenkodierungsverfahren und -gerät
EP0913762A1 (de) 1997-10-31 1999-05-06 Hewlett-Packard Company Datenkodierung
US6856479B2 (en) 2002-01-29 2005-02-15 International Business Machines Corporation Writing synchronized data to magnetic tape
US6798602B2 (en) 2002-06-25 2004-09-28 International Business Machines Corporation Window based directory for magnetic tape
JP4136517B2 (ja) 2002-07-31 2008-08-20 株式会社日立製作所 移動端末
US7236322B2 (en) 2003-08-20 2007-06-26 International Business Machines Corporation Method, system, and program for storing data in a storage medium
US11437062B1 (en) * 2021-08-23 2022-09-06 International Business Machines Corporation Reducing time to reposition tape to write index

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US4040026A (en) * 1974-05-08 1977-08-02 Francois Gernelle Channel for exchanging information between a computer and rapid peripheral units
US4162520A (en) * 1976-09-30 1979-07-24 Burroughs Corporation Intelligent input-output interface control unit for input-output subsystem
US4393445A (en) * 1981-03-06 1983-07-12 International Business Machines Corporation Information-signal recording apparatus employing record volume oriented identification signals
US4458316A (en) * 1981-03-06 1984-07-03 International Business Machines Corporation Queuing commands in a peripheral data storage system
US4539676A (en) * 1982-05-03 1985-09-03 At&T Bell Laboratories Bulk/interactive data switching system
EP0316020B1 (de) * 1982-11-16 1993-05-19 Unisys Corporation Blockzählersystem zur Überwachung des Datentransfers
US4542457A (en) * 1983-01-11 1985-09-17 Burroughs Corporation Burst mode data block transfer system
US4534013A (en) * 1983-06-30 1985-08-06 Burroughs Corporation Automatic write system for peripheral-controller
JPH0638600B2 (ja) * 1983-12-28 1994-05-18 株式会社東芝 ローカルエリアネットワークシステム
JP2533132B2 (ja) * 1987-09-11 1996-09-11 富士通株式会社 磁気テ―プ装置

Also Published As

Publication number Publication date
KR890012308A (ko) 1989-08-25
EP0324542A2 (de) 1989-07-19
KR920002581B1 (ko) 1992-03-30
JP2888530B2 (ja) 1999-05-10
DE68921994D1 (de) 1995-05-11
US4891784A (en) 1990-01-02
EP0324542A3 (de) 1991-12-11
EP0324542B1 (de) 1995-04-05
JPH01295325A (ja) 1989-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE),

8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8339 Ceased/non-payment of the annual fee