JP6285762B2 - エラー訂正コードの制御方法および大容量ストレージ - Google Patents

エラー訂正コードの制御方法および大容量ストレージ Download PDF

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Publication number
JP6285762B2
JP6285762B2 JP2014051958A JP2014051958A JP6285762B2 JP 6285762 B2 JP6285762 B2 JP 6285762B2 JP 2014051958 A JP2014051958 A JP 2014051958A JP 2014051958 A JP2014051958 A JP 2014051958A JP 6285762 B2 JP6285762 B2 JP 6285762B2
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JP
Japan
Prior art keywords
memory
ecc
host write
host
mass storage
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 - Fee Related
Application number
JP2014051958A
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English (en)
Japanese (ja)
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JP2014182834A5 (enExample
JP2014182834A (ja
Inventor
マーク・エイ・ガートナー
ケビン・ダオ
スティーブン・ファウルハーバー
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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Filing date
Publication date
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of JP2014182834A publication Critical patent/JP2014182834A/ja
Publication of JP2014182834A5 publication Critical patent/JP2014182834A5/ja
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Expired - Fee Related legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/1044—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 with specific ECC/EDC distribution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
JP2014051958A 2013-03-15 2014-03-14 エラー訂正コードの制御方法および大容量ストレージ Expired - Fee Related JP6285762B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/843,869 US9141484B2 (en) 2013-03-15 2013-03-15 Transiently maintaining ECC
US13/843,869 2013-03-15

Publications (3)

Publication Number Publication Date
JP2014182834A JP2014182834A (ja) 2014-09-29
JP2014182834A5 JP2014182834A5 (enExample) 2014-11-06
JP6285762B2 true JP6285762B2 (ja) 2018-02-28

Family

ID=51502961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014051958A Expired - Fee Related JP6285762B2 (ja) 2013-03-15 2014-03-14 エラー訂正コードの制御方法および大容量ストレージ

Country Status (3)

Country Link
US (1) US9141484B2 (enExample)
JP (1) JP6285762B2 (enExample)
CN (1) CN104050073B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10671531B2 (en) * 2018-07-13 2020-06-02 Seagate Technology Llc Secondary memory configuration for data backup
US10915400B1 (en) * 2019-11-08 2021-02-09 Micron Technology, Inc. Dynamic over provisioning allocation for purposed blocks

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69034227T2 (de) * 1989-04-13 2007-05-03 Sandisk Corp., Sunnyvale EEprom-System mit Blocklöschung
US5255270A (en) 1990-11-07 1993-10-19 Emc Corporation Method of assuring data write integrity on a data storage device
JPH06266618A (ja) * 1993-03-17 1994-09-22 Toshiba Corp エラー訂正・検出機能付きの主記憶コントローラを備えた情報処理装置
US5784390A (en) * 1995-06-19 1998-07-21 Seagate Technology, Inc. Fast AtA-compatible drive interface with error detection and/or error correction
US5860090A (en) * 1995-10-20 1999-01-12 Informix Software, Inc. Append-only storage in a disk array using striping and parity caching
JPH11203056A (ja) * 1998-01-19 1999-07-30 Fujitsu Ltd 入出力制御装置及びアレイディスク装置
US6243827B1 (en) * 1998-06-30 2001-06-05 Digi-Data Corporation Multiple-channel failure detection in raid systems
JP2002023966A (ja) * 2000-06-30 2002-01-25 Toshiba Corp 転送データを冗長化したディスクシステム
US7380198B2 (en) 2003-06-11 2008-05-27 International Business Machines Corporation System and method for detecting write errors in a storage device
US7360112B2 (en) 2005-02-07 2008-04-15 International Business Machines Corporation Detection and recovery of dropped writes in storage devices
US20060294299A1 (en) 2005-06-28 2006-12-28 Intel Corporation Techniques to verify storage of information
US7650557B2 (en) * 2005-09-19 2010-01-19 Network Appliance, Inc. Memory scrubbing of expanded memory
US20070168754A1 (en) 2005-12-19 2007-07-19 Xiv Ltd. Method and apparatus for ensuring writing integrity in mass storage systems
JP2008217755A (ja) * 2007-02-05 2008-09-18 Seiko Epson Corp 記憶装置
JP4358869B2 (ja) * 2007-02-21 2009-11-04 富士通株式会社 ストレージ制御装置、ストレージ制御方法
US20090006757A1 (en) * 2007-06-29 2009-01-01 Abhishek Singhal Hierarchical cache tag architecture
US8095851B2 (en) * 2007-09-06 2012-01-10 Siliconsystems, Inc. Storage subsystem capable of adjusting ECC settings based on monitored conditions
US7774540B2 (en) 2007-12-26 2010-08-10 Hitachi Global Storage Technologies Netherlands B.V. Storage system and method for opportunistic write-verify
US8140909B2 (en) 2008-02-22 2012-03-20 International Business Machines Corporation Efficient method to detect disk write errors
US9235530B2 (en) * 2010-05-31 2016-01-12 Sandisk Technologies Inc. Method and system for binary cache cleanup
US9141527B2 (en) * 2011-02-25 2015-09-22 Intelligent Intellectual Property Holdings 2 Llc Managing cache pools
US8560775B1 (en) * 2012-09-28 2013-10-15 Stec, Inc. Methods for managing cache configuration

Also Published As

Publication number Publication date
US9141484B2 (en) 2015-09-22
US20140281821A1 (en) 2014-09-18
JP2014182834A (ja) 2014-09-29
CN104050073A (zh) 2014-09-17
CN104050073B (zh) 2018-02-27

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