DE69127229D1 - Verfahren und Vorrichtung zur Datenformatierung auf DASD-Anordnungen - Google Patents

Verfahren und Vorrichtung zur Datenformatierung auf DASD-Anordnungen

Info

Publication number
DE69127229D1
DE69127229D1 DE69127229T DE69127229T DE69127229D1 DE 69127229 D1 DE69127229 D1 DE 69127229D1 DE 69127229 T DE69127229 T DE 69127229T DE 69127229 T DE69127229 T DE 69127229T DE 69127229 D1 DE69127229 D1 DE 69127229D1
Authority
DE
Germany
Prior art keywords
blocks
access
array
dasds
per
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
DE69127229T
Other languages
English (en)
Other versions
DE69127229T2 (de
Inventor
James Thomas Brady
Ruth Enid Cintron
Stephen Goldstein
Jean Ho-Ming Wang Ju
Jaishankar Moothedath Menon
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
Publication of DE69127229D1 publication Critical patent/DE69127229D1/de
Application granted granted Critical
Publication of DE69127229T2 publication Critical patent/DE69127229T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69127229T 1990-05-24 1991-05-20 Verfahren und Vorrichtung zur Datenformatierung auf DASD-Anordnungen Expired - Lifetime DE69127229T2 (de)

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 (2)

Publication Number Publication Date
DE69127229D1 true DE69127229D1 (de) 1997-09-18
DE69127229T2 DE69127229T2 (de) 1998-02-12

Family

ID=24108083

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127229T Expired - Lifetime DE69127229T2 (de) 1990-05-24 1991-05-20 Verfahren und Vorrichtung zur Datenformatierung auf DASD-Anordnungen

Country Status (7)

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

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US5442752A (en) * 1992-01-24 1995-08-15 International Business Machines Corporation Data storage method for DASD arrays using striping based on file length
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US5309451A (en) * 1992-08-12 1994-05-03 Digital Equipment Corporation Data and parity prefetching for redundant arrays of disk drives
US5315602A (en) * 1992-08-12 1994-05-24 Digital Equipment Corporation Optimized stripe detection for redundant arrays of disk drives
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US5819109A (en) * 1992-12-07 1998-10-06 Digital Equipment Corporation System for storing pending parity update log entries, calculating new parity, updating the parity block, and removing each entry from the log when update is complete
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
US5579474A (en) * 1992-12-28 1996-11-26 Hitachi, Ltd. Disk array system and its control method
EP0612015A1 (de) * 1993-02-16 1994-08-24 International Business Machines Corporation Verbesserte Speicherplattenanordnung mit besonderen Paritätsgruppen für Datenblöcke mit hoher Aktualisierungsfrequenz
US5526511A (en) * 1993-12-23 1996-06-11 Unisys Corporation Enhanced least recently used round robin cache management method and apparatus for allocation and destaging of cache segments
US5809527A (en) * 1993-12-23 1998-09-15 Unisys Corporation Outboard file cache system
US5530948A (en) * 1993-12-30 1996-06-25 International Business Machines Corporation System and method for command queuing on raid levels 4 and 5 parity drives
US5805857A (en) * 1994-04-07 1998-09-08 International Business Machines Corporation DASD capacity in excess of 528 megabytes apparatus and method for personal computers
US5732239A (en) * 1994-05-19 1998-03-24 Starlight Networks Method for operating a disk storage system which stores video data so as to maintain the continuity of a plurality of video streams
US5802394A (en) * 1994-06-06 1998-09-01 Starlight Networks, Inc. Method for accessing one or more streams in a video storage system using multiple queues and maintaining continuity thereof
US5634028A (en) * 1994-12-15 1997-05-27 International Business Machines Corporation Compact track address translation mapping system and method
US5634033A (en) * 1994-12-16 1997-05-27 At&T Global Information Solutions Company Disk array storage system architecture for parity operations simultaneous with other data operations
US5613085A (en) * 1994-12-27 1997-03-18 International Business Machines Corporation System for parallel striping of multiple ordered data strings onto a multi-unit DASD array for improved read and write parallelism
US5574882A (en) * 1995-03-03 1996-11-12 International Business Machines Corporation System and method for identifying inconsistent parity in an array of storage
JP3358687B2 (ja) * 1995-03-13 2002-12-24 株式会社日立製作所 ディスクアレイ装置
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
US5854942A (en) * 1996-09-06 1998-12-29 International Business Machines Corporation Method and system for automatic storage subsystem configuration
US5940826A (en) * 1997-01-07 1999-08-17 Unisys Corporation Dual XPCS for disaster recovery in multi-host computer complexes
US5949970A (en) * 1997-01-07 1999-09-07 Unisys Corporation Dual XPCS for disaster recovery
US5974503A (en) * 1997-04-25 1999-10-26 Emc Corporation Storage and access of continuous media files indexed as lists of raid stripe sets associated with file names
US6701330B1 (en) 1997-12-30 2004-03-02 Unisys Corporation Protecting duplicate/lost updates against host failures
US6079000A (en) * 1997-12-30 2000-06-20 Unisys Corporation XPC backup for in-process audit
US6052799A (en) * 1998-05-15 2000-04-18 International Business Machines Corporation System and method for recovering a directory for a log structured array
US6070225A (en) * 1998-06-01 2000-05-30 International Business Machines Corporation Method and apparatus for optimizing access to coded indicia hierarchically stored on at least one surface of a cyclic, multitracked recording device
US6327644B1 (en) 1998-08-18 2001-12-04 International Business Machines Corporation Method and system for managing data in cache
US6141731A (en) * 1998-08-19 2000-10-31 International Business Machines Corporation Method and system for managing data in cache using multiple data structures
US6381677B1 (en) 1998-08-19 2002-04-30 International Business Machines Corporation Method and system for staging data into cache
US6389494B1 (en) * 1998-12-30 2002-05-14 Emc Corporation System for interfacing a data storage system to a host utilizing a plurality of busses for carrying end-user data and a separate bus for carrying interface state data
US7073020B1 (en) 1999-01-04 2006-07-04 Emc Corporation Method for message transfer in computer storage system
US7117275B1 (en) 1999-01-04 2006-10-03 Emc Corporation Data storage system having separate data transfer section and message network
US6463503B1 (en) 1999-05-12 2002-10-08 International Business Machines Corporation Method and system for increasing concurrency during staging and destaging in a log structured array
US6397292B1 (en) 1999-08-19 2002-05-28 Emc Corporation Asymmetrical striping of mirrored storage device arrays and concurrent access to even tracks in the first array and odd tracks in the second array to improve data access performance
US7003601B1 (en) 2000-03-31 2006-02-21 Emc Corporation Data storage system having separate data transfer section and message network with plural directions on a common printed circuit board
US7010575B1 (en) 2000-03-31 2006-03-07 Emc Corporation Data storage system having separate data transfer section and message network having bus arbitration
US7007194B1 (en) 2000-06-29 2006-02-28 Emc Corporation Data storage system having point-to-point configuration
US6779071B1 (en) 2000-04-28 2004-08-17 Emc Corporation Data storage system having separate data transfer section and message network with status register
US8583692B2 (en) * 2009-04-30 2013-11-12 Oracle International Corporation DDL and DML support for hybrid columnar compressed tables
US9667269B2 (en) 2009-04-30 2017-05-30 Oracle International Corporation Technique for compressing XML indexes
US8645337B2 (en) 2009-04-30 2014-02-04 Oracle International Corporation Storing compression units in relational tables
US8356060B2 (en) 2009-04-30 2013-01-15 Oracle International Corporation Compression analyzer
US8935223B2 (en) * 2009-04-30 2015-01-13 Oracle International Corporation Structure of hierarchical compressed data structure for tabular data
US8296517B2 (en) 2009-08-19 2012-10-23 Oracle International Corporation Database operation-aware striping technique
US9619157B2 (en) * 2014-04-03 2017-04-11 Analysis Solution Llc High-speed data storage
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Also Published As

Publication number Publication date
EP0458554A3 (en) 1994-06-29
EP0458554B1 (de) 1997-08-13
KR910020562A (ko) 1991-12-20
CA2042872A1 (en) 1991-11-25
JPH04232557A (ja) 1992-08-20
DE69127229T2 (de) 1998-02-12
CA2042872C (en) 1995-08-15
KR950004213B1 (ko) 1995-04-27
US5263145A (en) 1993-11-16
BR9102061A (pt) 1991-12-24
EP0458554A2 (de) 1991-11-27
JPH0736144B2 (ja) 1995-04-19

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)