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CN113424262A - 一种存储校验方法及装置 - Google Patents

一种存储校验方法及装置 Download PDF

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Publication number
CN113424262A
CN113424262A CN201980091806.7A CN201980091806A CN113424262A CN 113424262 A CN113424262 A CN 113424262A CN 201980091806 A CN201980091806 A CN 201980091806A CN 113424262 A CN113424262 A CN 113424262A
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China
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data
chips
check
ecc
sliced
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CN201980091806.7A
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CN113424262B (zh
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孙亚萍
王岩松
李挺
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
    • G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
    • G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
    • G11C29/38—Response verification devices
    • G11C29/42—Response verification devices using error correcting codes [ECC] or parity check

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

一种存储校验方法及装置，用于存储和校验粒度比较小的用户数据。该方法包括：对用户数据进行错误检查和纠正ECC校验，获得ECC校验数据，用户数据包括m个分片数据，m为大于2的整数；对用户数据和ECC校验数据，进行独立磁盘冗余阵列RAID校验或纠删码EC校验，获得奇偶校验数据；将m个分片数据、ECC校验数据和奇偶校验数据存储到多个芯片上；其中，该多个芯片中的m个芯片中的每个芯片承载一个分片数据，不同芯片承载的分片数据不同，所述多个芯片中除所述m个芯片之外的n个第一芯片承载所述ECC校验数据，所述多个芯片中除所述m个芯片之外的p个第二芯片用于承载所述奇偶校验数据。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN201980091806.7A 2019-03-21 2019-03-21 一种存储校验方法及装置 Active CN113424262B (zh)

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PCT/CN2019/079118 WO2020186524A1 (zh) 2019-03-21 2019-03-21 一种存储校验方法及装置

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CN113424262B CN113424262B (zh) 2024-01-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114296992A (zh) * 2021-12-30 2022-04-08 长江存储科技有限责任公司 存储器的数据校验方法、装置、计算机设备和存储介质
CN116662063A (zh) * 2023-05-10 2023-08-29 珠海妙存科技有限公司 一种闪存的纠错配置方法、纠错方法、系统、设备及介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1801103A (zh) * 2004-11-19 2006-07-12 国际商业机器公司 利用磁盘阵列奇偶校验的增强错误标识系统和方法
CN103902403A (zh) * 2012-12-27 2014-07-02 Lsi公司 经由冗余阵列的非易失性存储器编程故障恢复
CN107943609A (zh) * 2016-10-12 2018-04-20 三星电子株式会社 存储器模块、存储器控制器和系统及其相应操作方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2856471A4 (en) * 2012-05-31 2015-11-18 Hewlett Packard Development Co LOCAL ERROR DETECTION AND GLOBAL ERROR CORRECTION
US9026757B2 (en) * 2013-01-25 2015-05-05 Sandisk Technologies Inc. Non-volatile memory programming data preservation
US9830093B2 (en) * 2015-03-27 2017-11-28 Intel Corporation Method and apparatus for improving immunity to defects in a non-volatile memory

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1801103A (zh) * 2004-11-19 2006-07-12 国际商业机器公司 利用磁盘阵列奇偶校验的增强错误标识系统和方法
CN103902403A (zh) * 2012-12-27 2014-07-02 Lsi公司 经由冗余阵列的非易失性存储器编程故障恢复
CN107943609A (zh) * 2016-10-12 2018-04-20 三星电子株式会社 存储器模块、存储器控制器和系统及其相应操作方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114296992A (zh) * 2021-12-30 2022-04-08 长江存储科技有限责任公司 存储器的数据校验方法、装置、计算机设备和存储介质
CN116662063A (zh) * 2023-05-10 2023-08-29 珠海妙存科技有限公司 一种闪存的纠错配置方法、纠错方法、系统、设备及介质
CN116662063B (zh) * 2023-05-10 2024-02-23 珠海妙存科技有限公司 一种闪存的纠错配置方法、纠错方法、系统、设备及介质

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CN113424262B (zh) 2024-01-02

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