BR112015031633A8 - dispositivo de computação, método de armazenamento de modo redundante de dados legíveis por computador e sistema de armazenamento de dados redundantes - Google Patents

dispositivo de computação, método de armazenamento de modo redundante de dados legíveis por computador e sistema de armazenamento de dados redundantes

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Publication number
BR112015031633A8
BR112015031633A8 BR112015031633A BR112015031633A BR112015031633A8 BR 112015031633 A8 BR112015031633 A8 BR 112015031633A8 BR 112015031633 A BR112015031633 A BR 112015031633A BR 112015031633 A BR112015031633 A BR 112015031633A BR 112015031633 A8 BR112015031633 A8 BR 112015031633A8
Authority
BR
Brazil
Prior art keywords
data
redundant
data storage
computing device
erasure
Prior art date
Application number
BR112015031633A
Other languages
English (en)
Other versions
BR112015031633B1 (pt
BR112015031633A2 (pt
Inventor
Jenkins Bob
G Bennett John
Original Assignee
Microsoft Technology Licensing Llc
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 Microsoft Technology Licensing Llc filed Critical Microsoft Technology Licensing Llc
Publication of BR112015031633A2 publication Critical patent/BR112015031633A2/pt
Publication of BR112015031633A8 publication Critical patent/BR112015031633A8/pt
Publication of BR112015031633B1 publication Critical patent/BR112015031633B1/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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • 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
    • G06F11/1096—Parity calculation or recalculation after configuration or reconfiguration of the system
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • G06F11/1662—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit the resynchronized component or unit being a persistent storage device
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2058—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring using more than 2 mirrored copies
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2094—Redundant storage or storage space

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Retry When Errors Occur (AREA)

Abstract

dispositivo de computação, método de armazenamento de modo redundante de dados legíveis por computador e sistema de armazenamento de dados redundantes. trata-se um "código de eliminação" que é uma codificação de múltiplos conjuntos de dados diferentes. as cópias redundantes de dados são mantidas em tais códigos de eliminação, que, desse modo, utilizam apenas uma fração da capacidade de armazenamento de cópias não codificadas. os códigos de eliminação são gerados de modo eficaz, com um mínimo de recursos de processamento que utilizam funcionalidade xor. adicionalmente, códigos de eliminação são gerados a partir de dados locais, que, desse modo, impedem o consumo de recursos de rede. pelo menos uma cópia não codificada de um conjunto de dados é mantida, embora as cópias redundantes restantes sejam codificadas em códigos de eliminação. são fornecidas solicitações para dados a partir da cópia não codificada. caso isso falhe, uma nova cópia não codificada pode ser gerada por outro dispositivo de computação que tem acesso tanto a um código de eliminação quanto às cópias não codificadas de outros dados que também foram impressos no código de eliminação. múltiplas falhas podem ser superadas através de aplicação recursiva de tal decodificação de dados codificados.
BR112015031633-6A 2013-06-25 2014-06-23 Meio legível por computador tendo um método para gerar um código de eliminação, método de armazenamento de modo redundante e sistema de armazenamento de dados redundante BR112015031633B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/927,061 US9354991B2 (en) 2013-06-25 2013-06-25 Locally generated simple erasure codes
US13/927,061 2013-06-25
PCT/US2014/043551 WO2014209823A1 (en) 2013-06-25 2014-06-23 Locally generated simple erasure codes

Publications (3)

Publication Number Publication Date
BR112015031633A2 BR112015031633A2 (pt) 2017-07-25
BR112015031633A8 true BR112015031633A8 (pt) 2021-05-25
BR112015031633B1 BR112015031633B1 (pt) 2022-05-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015031633-6A BR112015031633B1 (pt) 2013-06-25 2014-06-23 Meio legível por computador tendo um método para gerar um código de eliminação, método de armazenamento de modo redundante e sistema de armazenamento de dados redundante

Country Status (6)

Country Link
US (1) US9354991B2 (pt)
EP (1) EP3014451B1 (pt)
CN (1) CN105378676B (pt)
BR (1) BR112015031633B1 (pt)
TW (1) TW201506607A (pt)
WO (1) WO2014209823A1 (pt)

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Also Published As

Publication number Publication date
EP3014451A1 (en) 2016-05-04
TW201506607A (zh) 2015-02-16
WO2014209823A1 (en) 2014-12-31
EP3014451B1 (en) 2017-12-20
US20140380088A1 (en) 2014-12-25
CN105378676B (zh) 2019-06-21
BR112015031633B1 (pt) 2022-05-31
CN105378676A (zh) 2016-03-02
BR112015031633A2 (pt) 2017-07-25
US9354991B2 (en) 2016-05-31

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