BR9102061A - Metodo e meio para obter acesso a ordenacoes de discos de armazenamento de acesso direto(dasds)com velocidade e concomitancia de transferencia de dados sintonizados - Google Patents

Metodo e meio para obter acesso a ordenacoes de discos de armazenamento de acesso direto(dasds)com velocidade e concomitancia de transferencia de dados sintonizados

Info

Publication number
BR9102061A
BR9102061A BR919102061A BR9102061A BR9102061A BR 9102061 A BR9102061 A BR 9102061A BR 919102061 A BR919102061 A BR 919102061A BR 9102061 A BR9102061 A BR 9102061A BR 9102061 A BR9102061 A BR 9102061A
Authority
BR
Brazil
Prior art keywords
dasds
blocks
access
array
concommittance
Prior art date
Application number
BR919102061A
Other languages
English (en)
Inventor
James T Brady
Ruth E Cintron
Stephen Goldstein
Jean Homing Wang Ju
Jaishankar M Menon
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR9102061A publication Critical patent/BR9102061A/pt

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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID 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
    • 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • 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
    • 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
    • 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
    • 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
    • G06F3/0673—Single storage device

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Detection And Correction Of Errors (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Information Transfer Systems (AREA)
BR919102061A 1990-05-24 1991-05-20 Metodo e meio para obter acesso a ordenacoes de discos de armazenamento de acesso direto(dasds)com velocidade e concomitancia de transferencia de dados sintonizados BR9102061A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/528,999 US5263145A (en) 1990-05-24 1990-05-24 Method and means for accessing DASD arrays with tuned data transfer rate and concurrency

Publications (1)

Publication Number Publication Date
BR9102061A true BR9102061A (pt) 1991-12-24

Family

ID=24108083

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919102061A BR9102061A (pt) 1990-05-24 1991-05-20 Metodo e meio para obter acesso a ordenacoes de discos de armazenamento de acesso direto(dasds)com velocidade e concomitancia de transferencia de dados sintonizados

Country Status (7)

Country Link
US (1) US5263145A (pt)
EP (1) EP0458554B1 (pt)
JP (1) JPH0736144B2 (pt)
KR (1) KR950004213B1 (pt)
BR (1) BR9102061A (pt)
CA (1) CA2042872C (pt)
DE (1) DE69127229T2 (pt)

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US5416915A (en) * 1992-12-11 1995-05-16 International Business Machines Corporation Method and system for minimizing seek affinity and enhancing write sensitivity in a DASD array
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US5875456A (en) * 1995-08-17 1999-02-23 Nstor Corporation Storage device array and methods for striping and unstriping data and for adding and removing disks online to/from a raid storage array
US5717850A (en) * 1996-03-12 1998-02-10 International Business Machines Corporation Efficient system for predicting and processing storage subsystem failure
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Also Published As

Publication number Publication date
DE69127229D1 (de) 1997-09-18
KR910020562A (ko) 1991-12-20
CA2042872C (en) 1995-08-15
KR950004213B1 (ko) 1995-04-27
EP0458554A3 (en) 1994-06-29
DE69127229T2 (de) 1998-02-12
JPH0736144B2 (ja) 1995-04-19
EP0458554A2 (en) 1991-11-27
JPH04232557A (ja) 1992-08-20
CA2042872A1 (en) 1991-11-25
US5263145A (en) 1993-11-16
EP0458554B1 (en) 1997-08-13

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