WO2011066236A3 - Localized dispersed storage memory system - Google Patents

Localized dispersed storage memory system Download PDF

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Publication number
WO2011066236A3
WO2011066236A3 PCT/US2010/057675 US2010057675W WO2011066236A3 WO 2011066236 A3 WO2011066236 A3 WO 2011066236A3 US 2010057675 W US2010057675 W US 2010057675W WO 2011066236 A3 WO2011066236 A3 WO 2011066236A3
Authority
WO
WIPO (PCT)
Prior art keywords
data slices
processing module
addressable storage
method continues
memory system
Prior art date
Application number
PCT/US2010/057675
Other languages
French (fr)
Other versions
WO2011066236A2 (en
Inventor
S. Christopher Gladwin
Gary W. Grube
Timothy W. Markison
Original Assignee
Cleversafe, Inc.
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 Cleversafe, Inc. filed Critical Cleversafe, Inc.
Priority to EP10833826.0A priority Critical patent/EP2504744A4/en
Publication of WO2011066236A2 publication Critical patent/WO2011066236A2/en
Publication of WO2011066236A3 publication Critical patent/WO2011066236A3/en

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Classifications

    • 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
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G11B20/1889—Methods for assignment of alternate areas for defective areas with discs
    • 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
    • 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
    • G06F11/1092—Rebuilding, e.g. when physically replacing a failing disk
    • 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
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0614—Improving the reliability of storage systems
    • G06F3/0616—Improving the reliability of storage systems in relation to life time, e.g. increasing Mean Time Between Failures [MTBF]
    • 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
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0653—Monitoring storage devices or 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
    • 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
    • G06F3/0683—Plurality of storage devices
    • G06F3/0689—Disk arrays, e.g. RAID, JBOD
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
    • 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
    • G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/10—Indexing scheme relating to G06F11/10
    • G06F2211/1002—Indexing scheme relating to G06F11/1076
    • G06F2211/1092—Single disk raid, i.e. RAID with parity on a single disk
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording

Abstract

A method begins by a processing module receiving data to store and determining error coding dispersal storage function parameters. The method continues with the processing module encoding at least a portion of the data in accordance with the error coding dispersal storage function parameters to produce a set of data slices. The method continues with the processing module defining addressable storage sectors within the single hard drive based on a number of data slices within the set of data slices to produce a set of addressable storage sectors. The method continues with the processing module storing data slices of the set of data slices in corresponding addressable storage sectors of the set of addressable storage sectors.
PCT/US2010/057675 2009-11-25 2010-11-22 Localized dispersed storage memory system WO2011066236A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10833826.0A EP2504744A4 (en) 2009-11-25 2010-11-22 Localized dispersed storage memory system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US26431609P 2009-11-25 2009-11-25
US61/264,316 2009-11-25
US12/845,590 2010-07-28
US12/845,590 US8527807B2 (en) 2009-11-25 2010-07-28 Localized dispersed storage memory system

Publications (2)

Publication Number Publication Date
WO2011066236A2 WO2011066236A2 (en) 2011-06-03
WO2011066236A3 true WO2011066236A3 (en) 2011-07-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/057675 WO2011066236A2 (en) 2009-11-25 2010-11-22 Localized dispersed storage memory system

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US (4) US8527807B2 (en)
EP (1) EP2504744A4 (en)
WO (1) WO2011066236A2 (en)

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Also Published As

Publication number Publication date
WO2011066236A2 (en) 2011-06-03
US8527807B2 (en) 2013-09-03
US8726071B2 (en) 2014-05-13
EP2504744A4 (en) 2015-06-10
US20130170062A1 (en) 2013-07-04
US9870795B2 (en) 2018-01-16
US20160210193A1 (en) 2016-07-21
US20140247516A1 (en) 2014-09-04
US9431055B2 (en) 2016-08-30
EP2504744A2 (en) 2012-10-03
US20110122523A1 (en) 2011-05-26

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