KR102368935B1 - 키 밸류 솔리드 스테이트 드라이브 - Google Patents

키 밸류 솔리드 스테이트 드라이브 Download PDF

Info

Publication number
KR102368935B1
KR102368935B1 KR1020180018218A KR20180018218A KR102368935B1 KR 102368935 B1 KR102368935 B1 KR 102368935B1 KR 1020180018218 A KR1020180018218 A KR 1020180018218A KR 20180018218 A KR20180018218 A KR 20180018218A KR 102368935 B1 KR102368935 B1 KR 102368935B1
Authority
KR
South Korea
Prior art keywords
devices
data
parity
memory devices
virtual device
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.)
Active
Application number
KR1020180018218A
Other languages
English (en)
Korean (ko)
Other versions
KR20180106867A (ko
Inventor
기양석
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of KR20180106867A publication Critical patent/KR20180106867A/ko
Application granted granted Critical
Publication of KR102368935B1 publication Critical patent/KR102368935B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G06F11/1068—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 in sector programmable memories, e.g. flash disk
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0662—Virtualisation aspects
    • G06F3/0664—Virtualisation aspects at device level, e.g. emulation of a storage device or system
    • 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
    • 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
    • G06F11/108—Parity data distribution in semiconductor storages, e.g. in SSD
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/061—Improving I/O performance
    • G06F3/0611—Improving I/O performance in relation to response time
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/062—Securing storage systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/064—Management of blocks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/065—Replication mechanisms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0688—Non-volatile semiconductor memory arrays
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
    • H03M13/154—Error and erasure correction, e.g. by using the error and erasure locator or Forney polynomial
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/373—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with erasure correction and erasure determination, e.g. for packet loss recovery or setting of erasures for the decoding of Reed-Solomon codes
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3761—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using code combining, i.e. using combining of codeword portions which may have been transmitted separately, e.g. Digital Fountain codes, Raptor codes or Luby Transform [LT] codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/52—Protection of memory contents; Detection of errors in memory contents
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
    • H03M13/1515—Reed-Solomon codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Probability & Statistics with Applications (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Computer Security & Cryptography (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Debugging And Monitoring (AREA)
KR1020180018218A 2017-03-20 2018-02-14 키 밸류 솔리드 스테이트 드라이브 Active KR102368935B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201762474039P 2017-03-20 2017-03-20
US62/474,039 2017-03-20
US201762561625P 2017-09-21 2017-09-21
US62/561,625 2017-09-21
US201762562219P 2017-09-22 2017-09-22
US62/562,219 2017-09-22
US15/876,028 US10795760B2 (en) 2017-03-20 2018-01-19 Key value SSD
US15/876,028 2018-01-19

Publications (2)

Publication Number Publication Date
KR20180106867A KR20180106867A (ko) 2018-10-01
KR102368935B1 true KR102368935B1 (ko) 2022-03-02

Family

ID=63520099

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020180018218A Active KR102368935B1 (ko) 2017-03-20 2018-02-14 키 밸류 솔리드 스테이트 드라이브

Country Status (5)

Country Link
US (2) US10795760B2 (https=)
JP (1) JP6947670B2 (https=)
KR (1) KR102368935B1 (https=)
CN (1) CN108632029B (https=)
TW (1) TWI734900B (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10284234B1 (en) * 2017-07-19 2019-05-07 EMC IP Holding Company LLC Facilitation of data deletion for distributed erasure coding
CN112394874B (zh) 2019-08-13 2024-08-20 华为技术有限公司 一种键值kv的存储方法、装置及存储设备
US10998919B2 (en) * 2019-10-02 2021-05-04 Microsoft Technology Licensing, Llc Coded stream processing
US11816342B2 (en) * 2020-06-10 2023-11-14 Samsung Electronics Co., Ltd. Systems and methods for distributed in-storage computation-conscious erasure coding
US20220011948A1 (en) * 2020-07-08 2022-01-13 Samsung Electronics Co., Ltd. Key sorting between key-value solid state drives and hosts
US20220214810A1 (en) * 2021-03-26 2022-07-07 Ian F. Adams Near-data processing in sharded storage environments
CN114282067B (zh) * 2021-11-18 2025-01-17 厦门市美亚柏科信息股份有限公司 一种基于时空网格的数据过滤方法、终端设备及存储介质
US11853607B2 (en) 2021-12-22 2023-12-26 Western Digital Technologies, Inc. Optimizing flash memory utilization for NVMe KV pair storage
US11817883B2 (en) 2021-12-27 2023-11-14 Western Digital Technologies, Inc. Variable length ECC code according to value length in NVMe key value pair devices
US11733876B2 (en) 2022-01-05 2023-08-22 Western Digital Technologies, Inc. Content aware decoding in KV devices
KR102712808B1 (ko) * 2022-03-02 2024-10-02 인하대학교 산학협력단 비디오 스토리지 시스템에서 성능 저하 읽기를 위한 i/o 대역폭 최소화를 위한 중복 선택 방법 및 장치
US11853160B2 (en) * 2022-05-27 2023-12-26 Western Digital Technologies, Inc. Variable length ECC code according to data entropy in NVMe key value pair devices
KR20240001414A (ko) 2022-06-27 2024-01-03 삼성전자주식회사 복수의 ssd를 포함하는 스토리지 시스템 및 그것의 운용 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150149870A1 (en) 2012-06-08 2015-05-28 Ntt Docomo, Inc. Method and apparatus for low delay access to key-value based storage systems using fec techniques
US20150363269A1 (en) 2012-06-13 2015-12-17 Caringo, Inc. Erasure coding and replication in storage clusters
WO2016137402A1 (en) 2015-02-26 2016-09-01 Agency For Science, Technology And Research Data stripping, allocation and reconstruction

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6745286B2 (en) 2001-01-29 2004-06-01 Snap Appliance, Inc. Interface architecture
US7769709B2 (en) * 2004-09-09 2010-08-03 Microsoft Corporation Method, system, and apparatus for creating an archive routine for protecting data in a data protection system
JP4805660B2 (ja) 2005-02-08 2011-11-02 富士通株式会社 ディスクライト抜け検出装置
US7533330B2 (en) 2005-06-27 2009-05-12 Seagate Technology Llc Redundancy for storage data structures
KR100753831B1 (ko) * 2005-12-08 2007-08-31 한국전자통신연구원 객체 기반 스토리지 시스템에서 고속의 객체 입출력 처리장치 및 방법
CN102405460B (zh) * 2009-02-11 2016-05-04 艾梵尼达有限公司 虚拟存储系统及其运行方法
US8751860B2 (en) * 2009-06-03 2014-06-10 Micron Technology, Inc. Object oriented memory in solid state devices
US8458233B2 (en) 2009-11-25 2013-06-04 Cleversafe, Inc. Data de-duplication in a dispersed storage network utilizing data characterization
US20110145517A1 (en) * 2009-12-10 2011-06-16 International Business Machines Corporation Dynamic reuse and reconfiguration of logical data objects in a virtual tape system
US8856593B2 (en) 2010-04-12 2014-10-07 Sandisk Enterprise Ip Llc Failure recovery using consensus replication in a distributed flash memory system
US8775868B2 (en) 2010-09-28 2014-07-08 Pure Storage, Inc. Adaptive RAID for an SSD environment
US8504535B1 (en) * 2010-12-20 2013-08-06 Amazon Technologies, Inc. Erasure coding and redundant replication
TWI510069B (zh) * 2011-09-29 2015-11-21 Walton Advanced Eng Inc Storage device with image sharing and method for executing the same
US8949180B1 (en) 2012-06-28 2015-02-03 Emc International Company Replicating key-value pairs in a continuous data protection system
US8904047B1 (en) 2012-06-29 2014-12-02 Emc Corporation Cloud capable storage system with high perormance nosql key-value pair operating environment
CN103577274B (zh) 2012-07-31 2016-07-06 国际商业机器公司 管理存储器阵列的方法和装置
US9460099B2 (en) * 2012-11-13 2016-10-04 Amazon Technologies, Inc. Dynamic selection of storage tiers
CN103902632B (zh) 2012-12-31 2018-01-02 华为技术有限公司 键值存储系统中构建文件系统的方法、装置及电子设备
US9047211B2 (en) 2013-03-15 2015-06-02 SanDisk Technologies, Inc. Managing data reliability
TW201443647A (zh) * 2013-05-08 2014-11-16 Enmotus Inc 具有資料管理的層疊式資料儲存系統及其操作方法
US9569517B1 (en) 2013-11-27 2017-02-14 Google Inc. Fault tolerant distributed key-value storage
US9639268B2 (en) 2014-08-21 2017-05-02 Datrium, Inc. Distributed data storage system with key-based addressing
US9438426B2 (en) 2014-10-03 2016-09-06 Seagate Technology Llc Key-value data storage device with hybrid architecture
US9378088B1 (en) 2014-12-30 2016-06-28 Datadirect Networks, Inc. Method and system for reclamation of distributed dynamically generated erasure groups for data migration between high performance computing architectures and data storage using non-deterministic data addressing
US10761758B2 (en) 2015-12-21 2020-09-01 Quantum Corporation Data aware deduplication object storage (DADOS)
CN106662983B (zh) 2015-12-31 2019-04-12 华为技术有限公司 分布式存储系统中的数据重建的方法、装置和系统
WO2017161050A2 (en) 2016-03-15 2017-09-21 Cloud Crowding Corp. Distributed storage system data management and security
US10019317B2 (en) 2016-04-25 2018-07-10 Nexenta Systems, Inc. Parity protection for data chunks in an object storage system
US10542089B2 (en) 2017-03-10 2020-01-21 Toshiba Memory Corporation Large scale implementation of a plurality of open channel solid state drives
US11275762B2 (en) 2017-03-20 2022-03-15 Samsung Electronics Co., Ltd. System and method for hybrid data reliability for object storage devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150149870A1 (en) 2012-06-08 2015-05-28 Ntt Docomo, Inc. Method and apparatus for low delay access to key-value based storage systems using fec techniques
US20150363269A1 (en) 2012-06-13 2015-12-17 Caringo, Inc. Erasure coding and replication in storage clusters
WO2016137402A1 (en) 2015-02-26 2016-09-01 Agency For Science, Technology And Research Data stripping, allocation and reconstruction

Also Published As

Publication number Publication date
US20200133770A1 (en) 2020-04-30
JP2018156656A (ja) 2018-10-04
US10795760B2 (en) 2020-10-06
TWI734900B (zh) 2021-08-01
US11288119B2 (en) 2022-03-29
US20180267854A1 (en) 2018-09-20
CN108632029B (zh) 2022-05-17
JP6947670B2 (ja) 2021-10-13
CN108632029A (zh) 2018-10-09
KR20180106867A (ko) 2018-10-01
TW201835810A (zh) 2018-10-01

Similar Documents

Publication Publication Date Title
KR102368935B1 (ko) 키 밸류 솔리드 스테이트 드라이브
US12086029B2 (en) Intra-device and inter-device data recovery in a storage system
US12602287B2 (en) Storage system utilizing independent erasure codes
US11886288B2 (en) Optimize data protection layouts based on distributed flash wear leveling
US10268548B2 (en) Failure mapping in a storage array
AU2015300773B2 (en) Error recovery in a storage cluster
WO2016023038A1 (en) Masking defective bits in a storage array
US12216903B2 (en) Storage node data placement utilizing similarity
US9971537B1 (en) Hardware support to track and transition flash LUNs into SLC mode
US20220398156A1 (en) Distributed multi-level protection in a hyper-converged infrastructure

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20180214

PG1501 Laying open of application
A201 Request for examination
A302 Request for accelerated examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20210122

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 20180214

Comment text: Patent Application

PA0302 Request for accelerated examination

Patent event date: 20210122

Patent event code: PA03022R01D

Comment text: Request for Accelerated Examination

Patent event date: 20180214

Patent event code: PA03021R01I

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20210530

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20210929

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20220120

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20220224

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20220225

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20241226

Start annual number: 4

End annual number: 4