JP2008033874A - 独立ディスクのリダンダントアレイ毀損時のデータ救援方法及びそのシステム - Google Patents

独立ディスクのリダンダントアレイ毀損時のデータ救援方法及びそのシステム Download PDF

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Publication number
JP2008033874A
JP2008033874A JP2006273720A JP2006273720A JP2008033874A JP 2008033874 A JP2008033874 A JP 2008033874A JP 2006273720 A JP2006273720 A JP 2006273720A JP 2006273720 A JP2006273720 A JP 2006273720A JP 2008033874 A JP2008033874 A JP 2008033874A
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JP
Japan
Prior art keywords
data
damaged
disk drive
external memory
disk
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Pending
Application number
JP2006273720A
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English (en)
Japanese (ja)
Inventor
Ishun Chin
貽浚 陳
Kontatsu Sai
昆達 蔡
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QNAP Systems Inc
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QNAP Systems Inc
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Application filed by QNAP Systems Inc filed Critical QNAP Systems Inc
Publication of JP2008033874A publication Critical patent/JP2008033874A/ja
Pending legal-status Critical Current

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    • 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
    • G06F11/1084—Degraded mode, e.g. caused by single or multiple storage removals or disk failures

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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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2006273720A 2006-07-28 2006-10-05 独立ディスクのリダンダントアレイ毀損時のデータ救援方法及びそのシステム Pending JP2008033874A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095127648A TW200807258A (en) 2006-07-28 2006-07-28 Data recovery method and system when redundant array of independent disks (RAID) is damaged

Publications (1)

Publication Number Publication Date
JP2008033874A true JP2008033874A (ja) 2008-02-14

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JP2006273720A Pending JP2008033874A (ja) 2006-07-28 2006-10-05 独立ディスクのリダンダントアレイ毀損時のデータ救援方法及びそのシステム

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US (1) US7640452B2 (https=)
JP (1) JP2008033874A (https=)
TW (1) TW200807258A (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8498967B1 (en) 2007-01-30 2013-07-30 American Megatrends, Inc. Two-node high availability cluster storage solution using an intelligent initiator to avoid split brain syndrome
US8046548B1 (en) 2007-01-30 2011-10-25 American Megatrends, Inc. Maintaining data consistency in mirrored cluster storage systems using bitmap write-intent logging
US8255739B1 (en) * 2008-06-30 2012-08-28 American Megatrends, Inc. Achieving data consistency in a node failover with a degraded RAID array
US8112663B2 (en) * 2010-03-26 2012-02-07 Lsi Corporation Method to establish redundancy and fault tolerance better than RAID level 6 without using parity
US8181062B2 (en) * 2010-03-26 2012-05-15 Lsi Corporation Method to establish high level of redundancy, fault tolerance and performance in a raid system without using parity and mirroring
JP5279785B2 (ja) * 2010-09-17 2013-09-04 株式会社東芝 コントローラ、記憶装置、およびプログラム
US8775735B2 (en) * 2012-03-22 2014-07-08 Synology Incorporated Storage system and operation method of a storage system
JP5999603B2 (ja) * 2012-03-29 2016-09-28 パナソニックＩｐマネジメント株式会社 情報処理装置、情報処理方法及び情報記憶媒体
US8874835B1 (en) 2014-01-16 2014-10-28 Pure Storage, Inc. Data placement based on data properties in a tiered storage device system
US9569307B2 (en) * 2014-02-13 2017-02-14 Quantum Corporation Mitigating the impact of a single point of failure in an object store
US9766972B2 (en) 2014-08-07 2017-09-19 Pure Storage, Inc. Masking defective bits in a storage array
US9082512B1 (en) 2014-08-07 2015-07-14 Pure Storage, Inc. Die-level monitoring in a storage cluster
US10983859B2 (en) 2014-08-07 2021-04-20 Pure Storage, Inc. Adjustable error correction based on memory health in a storage unit
US9558069B2 (en) 2014-08-07 2017-01-31 Pure Storage, Inc. Failure mapping in a storage array
US10185639B1 (en) 2015-05-08 2019-01-22 American Megatrends, Inc. Systems and methods for performing failover in storage system with dual storage controllers
US9880913B2 (en) 2015-12-14 2018-01-30 International Business Machines Corporation Storing data in multi-region storage devices
US9672905B1 (en) 2016-07-22 2017-06-06 Pure Storage, Inc. Optimize data protection layouts based on distributed flash wear leveling
US9747158B1 (en) 2017-01-13 2017-08-29 Pure Storage, Inc. Intelligent refresh of 3D NAND
US11734117B2 (en) * 2021-04-29 2023-08-22 Vast Data Ltd. Data recovery in a storage system
CN114675957B (zh) * 2022-05-26 2022-09-09 广州市玄武无线科技股份有限公司 插件熔断方法、装置、终端设备及计算机可读存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7237062B2 (en) * 2004-04-02 2007-06-26 Seagate Technology Llc Storage media data structure system and method
US20050283654A1 (en) * 2004-05-24 2005-12-22 Sun Microsystems, Inc. Method and apparatus for decreasing failed disk reconstruction time in a raid data storage system
US7313721B2 (en) * 2004-06-21 2007-12-25 Dot Hill Systems Corporation Apparatus and method for performing a preemptive reconstruct of a fault-tolerant RAID array

Also Published As

Publication number Publication date
US7640452B2 (en) 2009-12-29
TW200807258A (en) 2008-02-01
US20080126840A1 (en) 2008-05-29
TWI324308B (https=) 2010-05-01

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