TW200713844A - Convolution-encoded raid with trellis-decode-rebuild - Google Patents

Convolution-encoded raid with trellis-decode-rebuild

Info

Publication number
TW200713844A
TW200713844A TW095115632A TW95115632A TW200713844A TW 200713844 A TW200713844 A TW 200713844A TW 095115632 A TW095115632 A TW 095115632A TW 95115632 A TW95115632 A TW 95115632A TW 200713844 A TW200713844 A TW 200713844A
Authority
TW
Taiwan
Prior art keywords
trellis
convolution
rebuild
decode
raid
Prior art date
Application number
TW095115632A
Other languages
English (en)
Inventor
Daniel J Winarski
Nils Haustein
Craig A Klein
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 TW200713844A publication Critical patent/TW200713844A/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • 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
    • G06F11/1088—Reconstruction on already foreseen single or plurality of spare disks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Software Systems (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Error Detection And Correction (AREA)
TW095115632A 2005-05-09 2006-05-02 Convolution-encoded raid with trellis-decode-rebuild TW200713844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/125,288 US7370261B2 (en) 2005-05-09 2005-05-09 Convolution-encoded raid with trellis-decode-rebuild

Publications (1)

Publication Number Publication Date
TW200713844A true TW200713844A (en) 2007-04-01

Family

ID=37389934

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095115632A TW200713844A (en) 2005-05-09 2006-05-02 Convolution-encoded raid with trellis-decode-rebuild

Country Status (5)

Country Link
US (2) US7370261B2 (zh)
JP (1) JP4988247B2 (zh)
KR (1) KR100827281B1 (zh)
CN (1) CN1862500B (zh)
TW (1) TW200713844A (zh)

Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7681072B1 (en) * 2004-08-13 2010-03-16 Panasas, Inc. Systems and methods for facilitating file reconstruction and restoration in data storage systems where a RAID-X format is implemented at a file level within a plurality of storage devices
US7401253B2 (en) * 2005-05-09 2008-07-15 International Business Machines Corporation Convolution-encoded data storage on a redundant array of independent devices
US10878646B2 (en) 2005-12-08 2020-12-29 Smartdrive Systems, Inc. Vehicle event recorder systems
US20070150138A1 (en) 2005-12-08 2007-06-28 James Plante Memory management in event recording systems
US8996240B2 (en) 2006-03-16 2015-03-31 Smartdrive Systems, Inc. Vehicle event recorders with integrated web server
US9201842B2 (en) 2006-03-16 2015-12-01 Smartdrive Systems, Inc. Vehicle event recorder systems and networks having integrated cellular wireless communications systems
US20080043736A1 (en) * 2006-08-18 2008-02-21 Drivecam, Inc. Data Transfer System and Method
KR101202537B1 (ko) 2006-05-12 2012-11-19 애플 인크. 메모리 디바이스를 위한 결합된 왜곡 추정 및 에러 보정 코딩
US8239735B2 (en) 2006-05-12 2012-08-07 Apple Inc. Memory Device with adaptive capacity
CN103280239B (zh) 2006-05-12 2016-04-06 苹果公司 存储设备中的失真估计和消除
WO2007132452A2 (en) 2006-05-12 2007-11-22 Anobit Technologies Reducing programming error in memory devices
WO2008026203A2 (en) 2006-08-27 2008-03-06 Anobit Technologies Estimation of non-linear distortion in memory devices
US7821826B2 (en) 2006-10-30 2010-10-26 Anobit Technologies, Ltd. Memory cell readout using successive approximation
WO2008053472A2 (en) 2006-10-30 2008-05-08 Anobit Technologies Ltd. Reading memory cells using multiple thresholds
US8649933B2 (en) 2006-11-07 2014-02-11 Smartdrive Systems Inc. Power management systems for automotive video event recorders
US8989959B2 (en) 2006-11-07 2015-03-24 Smartdrive Systems, Inc. Vehicle operator performance history recording, scoring and reporting systems
US8868288B2 (en) 2006-11-09 2014-10-21 Smartdrive Systems, Inc. Vehicle exception event management systems
US7924648B2 (en) 2006-11-28 2011-04-12 Anobit Technologies Ltd. Memory power and performance management
WO2008068747A2 (en) 2006-12-03 2008-06-12 Anobit Technologies Ltd. Automatic defect management in memory devices
CN101681282A (zh) 2006-12-06 2010-03-24 弗森多系统公司（dba弗森-艾奥） 用于共享的、前端、分布式raid的装置、系统和方法
US7900102B2 (en) 2006-12-17 2011-03-01 Anobit Technologies Ltd. High-speed programming of memory devices
US8667379B2 (en) * 2006-12-20 2014-03-04 International Business Machines Corporation Apparatus and method to generate, store, and read, a plurality of error correction coded data sets
US7751240B2 (en) 2007-01-24 2010-07-06 Anobit Technologies Ltd. Memory device with negative thresholds
US8151166B2 (en) 2007-01-24 2012-04-03 Anobit Technologies Ltd. Reduction of back pattern dependency effects in memory devices
CN101715595A (zh) 2007-03-12 2010-05-26 爱诺彼得技术有限责任公司 存储器单元读取阈的自适应估计
US8001320B2 (en) 2007-04-22 2011-08-16 Anobit Technologies Ltd. Command interface for memory devices
US8239092B2 (en) 2007-05-08 2012-08-07 Smartdrive Systems Inc. Distributed vehicle event recorder systems having a portable memory data transfer system
US8429493B2 (en) 2007-05-12 2013-04-23 Apple Inc. Memory device with internal signap processing unit
US8234545B2 (en) 2007-05-12 2012-07-31 Apple Inc. Data storage with incremental redundancy
US8713253B1 (en) * 2007-06-18 2014-04-29 Guidance-Tableau, Llc Modular storage system
US7925936B1 (en) 2007-07-13 2011-04-12 Anobit Technologies Ltd. Memory device with non-uniform programming levels
US7822892B2 (en) * 2007-07-19 2010-10-26 International Business Machines Corporation Managing the copying of writes from primary storages to secondary storages across different networks
US8259497B2 (en) 2007-08-06 2012-09-04 Apple Inc. Programming schemes for multi-level analog memory cells
US7793146B1 (en) * 2007-08-07 2010-09-07 Panasas, Inc. Methods for storing data in a data storage system where a RAID-X format or formats are implemented at a file level
US8174905B2 (en) 2007-09-19 2012-05-08 Anobit Technologies Ltd. Programming orders for reducing distortion in arrays of multi-level analog memory cells
US7773413B2 (en) 2007-10-08 2010-08-10 Anobit Technologies Ltd. Reliable data storage in analog memory cells in the presence of temperature variations
US8527819B2 (en) 2007-10-19 2013-09-03 Apple Inc. Data storage in analog memory cell arrays having erase failures
US8000141B1 (en) 2007-10-19 2011-08-16 Anobit Technologies Ltd. Compensation for voltage drifts in analog memory cells
US8068360B2 (en) 2007-10-19 2011-11-29 Anobit Technologies Ltd. Reading analog memory cells using built-in multi-threshold commands
KR101509836B1 (ko) 2007-11-13 2015-04-06 애플 인크. 멀티 유닛 메모리 디바이스에서의 메모리 유닛의 최적화된 선택
US8225181B2 (en) 2007-11-30 2012-07-17 Apple Inc. Efficient re-read operations from memory devices
US8209588B2 (en) 2007-12-12 2012-06-26 Anobit Technologies Ltd. Efficient interference cancellation in analog memory cell arrays
US8456905B2 (en) 2007-12-16 2013-06-04 Apple Inc. Efficient data storage in multi-plane memory devices
US8085586B2 (en) 2007-12-27 2011-12-27 Anobit Technologies Ltd. Wear level estimation in analog memory cells
US8156398B2 (en) 2008-02-05 2012-04-10 Anobit Technologies Ltd. Parameter estimation based on error correction code parity check equations
US7924587B2 (en) 2008-02-21 2011-04-12 Anobit Technologies Ltd. Programming of analog memory cells using a single programming pulse per state transition
US7864573B2 (en) 2008-02-24 2011-01-04 Anobit Technologies Ltd. Programming analog memory cells for reduced variance after retention
US8230300B2 (en) 2008-03-07 2012-07-24 Apple Inc. Efficient readout from analog memory cells using data compression
US8400858B2 (en) 2008-03-18 2013-03-19 Apple Inc. Memory device with reduced sense time readout
US8059457B2 (en) 2008-03-18 2011-11-15 Anobit Technologies Ltd. Memory device with multiple-accuracy read commands
US7995388B1 (en) 2008-08-05 2011-08-09 Anobit Technologies Ltd. Data storage using modified voltages
US7924613B1 (en) 2008-08-05 2011-04-12 Anobit Technologies Ltd. Data storage in analog memory cells with protection against programming interruption
US8169825B1 (en) 2008-09-02 2012-05-01 Anobit Technologies Ltd. Reliable data storage in analog memory cells subjected to long retention periods
US8949684B1 (en) 2008-09-02 2015-02-03 Apple Inc. Segmented data storage
US8482978B1 (en) 2008-09-14 2013-07-09 Apple Inc. Estimation of memory cell read thresholds by sampling inside programming level distribution intervals
US8000135B1 (en) 2008-09-14 2011-08-16 Anobit Technologies Ltd. Estimation of memory cell read thresholds by sampling inside programming level distribution intervals
US8239734B1 (en) 2008-10-15 2012-08-07 Apple Inc. Efficient data storage in storage device arrays
US8713330B1 (en) 2008-10-30 2014-04-29 Apple Inc. Data scrambling in memory devices
US8208304B2 (en) 2008-11-16 2012-06-26 Anobit Technologies Ltd. Storage at M bits/cell density in N bits/cell analog memory cell devices, M>N
US8397131B1 (en) 2008-12-31 2013-03-12 Apple Inc. Efficient readout schemes for analog memory cell devices
US8248831B2 (en) 2008-12-31 2012-08-21 Apple Inc. Rejuvenation of analog memory cells
US8924661B1 (en) 2009-01-18 2014-12-30 Apple Inc. Memory system including a controller and processors associated with memory devices
US8228701B2 (en) 2009-03-01 2012-07-24 Apple Inc. Selective activation of programming schemes in analog memory cell arrays
US8259506B1 (en) 2009-03-25 2012-09-04 Apple Inc. Database of memory read thresholds
US8832354B2 (en) 2009-03-25 2014-09-09 Apple Inc. Use of host system resources by memory controller
US8238157B1 (en) 2009-04-12 2012-08-07 Apple Inc. Selective re-programming of analog memory cells
US8479080B1 (en) 2009-07-12 2013-07-02 Apple Inc. Adaptive over-provisioning in memory systems
US8495465B1 (en) 2009-10-15 2013-07-23 Apple Inc. Error correction coding over multiple memory pages
US8677054B1 (en) 2009-12-16 2014-03-18 Apple Inc. Memory management schemes for non-volatile memory devices
US8694814B1 (en) 2010-01-10 2014-04-08 Apple Inc. Reuse of host hibernation storage space by memory controller
US8677203B1 (en) 2010-01-11 2014-03-18 Apple Inc. Redundant data storage schemes for multi-die memory systems
US8694853B1 (en) 2010-05-04 2014-04-08 Apple Inc. Read commands for reading interfering memory cells
US8572423B1 (en) 2010-06-22 2013-10-29 Apple Inc. Reducing peak current in memory systems
US8595591B1 (en) 2010-07-11 2013-11-26 Apple Inc. Interference-aware assignment of programming levels in analog memory cells
US9104580B1 (en) 2010-07-27 2015-08-11 Apple Inc. Cache memory for hybrid disk drives
US8767459B1 (en) 2010-07-31 2014-07-01 Apple Inc. Data storage in analog memory cells across word lines using a non-integer number of bits per cell
US8856475B1 (en) 2010-08-01 2014-10-07 Apple Inc. Efficient selection of memory blocks for compaction
US8694854B1 (en) 2010-08-17 2014-04-08 Apple Inc. Read threshold setting based on soft readout statistics
US9021181B1 (en) 2010-09-27 2015-04-28 Apple Inc. Memory management for unifying memory cell conditions by using maximum time intervals
CN102314322B (zh) * 2011-07-01 2015-04-15 杭州华三通信技术有限公司 一种基于raid阵列的数据处理方法和设备
US8677214B2 (en) * 2011-10-04 2014-03-18 Cleversafe, Inc. Encoding data utilizing a zero information gain function
CN103917964A (zh) * 2011-11-02 2014-07-09 国立大学法人东京大学 存储控制器和数据存储装置
US9728228B2 (en) 2012-08-10 2017-08-08 Smartdrive Systems, Inc. Vehicle event playback apparatus and methods
US9495246B2 (en) * 2013-01-21 2016-11-15 Kaminario Technologies Ltd. Raid erasure code applied to partitioned stripe
US8996741B1 (en) * 2013-09-25 2015-03-31 International Business Machiness Corporation Event driven remote direct memory access snapshots
US9501878B2 (en) 2013-10-16 2016-11-22 Smartdrive Systems, Inc. Vehicle event playback apparatus and methods
US9610955B2 (en) 2013-11-11 2017-04-04 Smartdrive Systems, Inc. Vehicle fuel consumption monitor and feedback systems
US9660882B2 (en) * 2014-01-07 2017-05-23 International Business Machines Corporation Selective convolution encoding of data transmitted over degraded links
US8892310B1 (en) 2014-02-21 2014-11-18 Smartdrive Systems, Inc. System and method to detect execution of driving maneuvers
US9663127B2 (en) 2014-10-28 2017-05-30 Smartdrive Systems, Inc. Rail vehicle event detection and recording system
US11069257B2 (en) 2014-11-13 2021-07-20 Smartdrive Systems, Inc. System and method for detecting a vehicle event and generating review criteria
US9679420B2 (en) 2015-04-01 2017-06-13 Smartdrive Systems, Inc. Vehicle event recording system and method
CN105095013B (zh) * 2015-06-04 2017-11-21 华为技术有限公司 数据存储方法、恢复方法、相关装置以及系统
CN105389243B (zh) * 2015-10-26 2018-06-05 华为技术有限公司 一种容器监控方法和装置
US20170337103A1 (en) * 2016-05-19 2017-11-23 Intel Corporation Method and apparatus to provide data redundancy in a solid-state drive
US10114696B2 (en) * 2016-07-14 2018-10-30 International Business Machines Corporation Tracking data access in a dispersed storage network
US10304468B2 (en) * 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
US10848554B2 (en) * 2017-03-30 2020-11-24 Oracle International Corporation Memory efficient asynchronous high availability replication
CN109150792B (zh) * 2017-06-15 2022-03-08 杭州海康威视数字技术股份有限公司 一种提高数据存储安全性方法及装置
US10727867B2 (en) * 2018-06-28 2020-07-28 Western Digital Technologies, Inc. Error correction decoding augmented with error tracking
WO2020150600A1 (en) * 2019-01-17 2020-07-23 The Trustees Of Princeton University System and method for decoding reed-muller codes
CN109948186B (zh) * 2019-02-19 2023-04-28 中国科学院微电子研究所 一种汉明码SRAM时序参数Setup特征化建模方法
US10969969B2 (en) * 2019-06-26 2021-04-06 Western Digital Technologies, Inc. Use of recovery behavior for prognosticating and in-situ repair of data storage devices
US11237893B2 (en) 2019-06-26 2022-02-01 Western Digital Technologies, Inc. Use of error correction-based metric for identifying poorly performing data storage devices
US11340986B1 (en) * 2020-12-08 2022-05-24 Western Digital Technologies, Inc. Host-assisted storage device error correction
US11556416B2 (en) 2021-05-05 2023-01-17 Apple Inc. Controlling memory readout reliability and throughput by adjusting distance between read thresholds
US11847342B2 (en) 2021-07-28 2023-12-19 Apple Inc. Efficient transfer of hard data and confidence levels in reading a nonvolatile memory

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6081925A (ja) * 1983-10-12 1985-05-10 Nec Corp 誤り訂正装置
US4761785B1 (en) 1986-06-12 1996-03-12 Ibm Parity spreading to enhance storage access
JPH0731582B2 (ja) 1990-06-21 1995-04-10 インターナショナル・ビジネス・マシーンズ・コーポレイション パリティ保護データを回復するための方法および装置
US5315602A (en) 1992-08-12 1994-05-24 Digital Equipment Corporation Optimized stripe detection for redundant arrays of disk drives
JP3305966B2 (ja) * 1995-12-25 2002-07-24 ソニー株式会社 データ復号装置及びその方法並びにデータ再生装置
US5987562A (en) * 1996-03-08 1999-11-16 Texas Instruments Incorporated Waveform sampler and method for sampling a signal from a read channel
JP3679853B2 (ja) * 1996-03-15 2005-08-03 株式会社日立グローバルストレージテクノロジーズ ディジタル記録再生方法および信号処理装置
US6219800B1 (en) 1998-06-19 2001-04-17 At&T Corp. Fault-tolerant storage system
JP2000068862A (ja) * 1998-08-19 2000-03-03 Fujitsu Ltd 誤り訂正符号化装置
US6516443B1 (en) 2000-02-08 2003-02-04 Cirrus Logic, Incorporated Error detection convolution code and post processor for correcting dominant error events of a trellis sequence detector in a sampled amplitude read channel for disk storage systems
US6868132B1 (en) * 2000-02-10 2005-03-15 Motorola, Inc. Soft output decoder for convolutional codes
JP4144727B2 (ja) * 2001-07-02 2008-09-03 株式会社日立製作所 情報処理システム、記憶領域提供方法、およびデータ保持管理装置
JP4141665B2 (ja) * 2001-07-10 2008-08-27 株式会社日立製作所 ストレージの運用方法およびこれに用いるストレージおよび遠隔ストレージ
JP4685317B2 (ja) * 2002-03-29 2011-05-18 株式会社富士通ソーシアルサイエンスラボラトリ データ分散格納方法、データ分散格納装置、プログラム及びバックアップサイト
KR20040054267A (ko) * 2002-12-18 2004-06-25 한국전자통신연구원 다중 레이드 제어기를 갖는 분산공유 레이드 시스템 및 그관리방법
JP4546387B2 (ja) * 2005-11-17 2010-09-15 富士通株式会社 バックアップシステム、方法及びプログラム

Also Published As

Publication number Publication date
CN1862500B (zh) 2010-06-16
KR20060116150A (ko) 2006-11-14
US8245113B2 (en) 2012-08-14
US7370261B2 (en) 2008-05-06
JP4988247B2 (ja) 2012-08-01
US20060253767A1 (en) 2006-11-09
KR100827281B1 (ko) 2008-05-07
US20080209304A1 (en) 2008-08-28
JP2006318467A (ja) 2006-11-24
CN1862500A (zh) 2006-11-15

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