TW200807258A - Data recovery method and system when redundant array of independent disks (RAID) is damaged - Google Patents

Data recovery method and system when redundant array of independent disks (RAID) is damaged Download PDF

Info

Publication number
TW200807258A
TW200807258A TW095127648A TW95127648A TW200807258A TW 200807258 A TW200807258 A TW 200807258A TW 095127648 A TW095127648 A TW 095127648A TW 95127648 A TW95127648 A TW 95127648A TW 200807258 A TW200807258 A TW 200807258A
Authority
TW
Taiwan
Prior art keywords
data
damaged
storage medium
disk
external storage
Prior art date
Application number
TW095127648A
Other languages
English (en)
Chinese (zh)
Other versions
TWI324308B (https=
Inventor
Yi-Chun Chen
Kun-Ta Tsai
Original Assignee
Qnap Systems Inc
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 Qnap Systems Inc filed Critical Qnap Systems Inc
Priority to TW095127648A priority Critical patent/TW200807258A/zh
Priority to US11/524,934 priority patent/US7640452B2/en
Priority to JP2006273720A priority patent/JP2008033874A/ja
Publication of TW200807258A publication Critical patent/TW200807258A/zh
Application granted granted Critical
Publication of TWI324308B publication Critical patent/TWI324308B/zh

Links

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
    • G06F11/1076—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

Landscapes

  • 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)
TW095127648A 2006-07-28 2006-07-28 Data recovery method and system when redundant array of independent disks (RAID) is damaged TW200807258A (en)

Priority Applications (3)

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
US11/524,934 US7640452B2 (en) 2006-07-28 2006-09-22 Method for reconstructing data in case of two disk drives of RAID failure and system therefor
JP2006273720A 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

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 (2)

Publication Number Publication Date
TW200807258A true TW200807258A (en) 2008-02-01
TWI324308B TWI324308B (https=) 2010-05-01

Family

ID=39123175

Family Applications (1)

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

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI459193B (zh) * 2012-03-22 2014-11-01 Synology Inc 儲存系統和儲存系統的操作方法

Families Citing this family (19)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI459193B (zh) * 2012-03-22 2014-11-01 Synology Inc 儲存系統和儲存系統的操作方法

Also Published As

Publication number Publication date
US7640452B2 (en) 2009-12-29
US20080126840A1 (en) 2008-05-29
JP2008033874A (ja) 2008-02-14
TWI324308B (https=) 2010-05-01

Similar Documents

Publication Publication Date Title
TW200807258A (en) Data recovery method and system when redundant array of independent disks (RAID) is damaged
CN101523353B (zh) 在存在全局热备用磁盘的情况下用于故障驱动器的优化重建和向回复制的方法
CN102012847B (zh) 一种磁盘阵列重建方法
JPWO2006123416A1 (ja) ディスク故障復旧方法及びディスクアレイ装置
CN104484251B (zh) 一种硬盘故障的处理方法及装置
WO2012051931A1 (zh) 廉价磁盘冗余阵列重构方法,装置及系统
CN102207895B (zh) 一种独立磁盘冗余阵列数据重建方法和装置
US20050283654A1 (en) Method and apparatus for decreasing failed disk reconstruction time in a raid data storage system
CN1692335A (zh) 容忍磁盘阵列中多个相关或任意双盘故障的方法和装置
JPH11510292A (ja) Ｒａｉｄシステムにおける欠陥データの管理方法及び装置
CN103019894B (zh) 一种独立冗余磁盘阵列的重建方法
CN101517542A (zh) 在存在全局热备用磁盘的情况下用于断开的驱动器的优化重建和向回复制的方法
TW201017404A (en) System and method for loose coupling between RAID volumes and drive groups
TWI295021B (en) Storage system and method for handling bad storage device data therefor
CN105630417B (zh) 一种raid5系统及在raid5系统失效后继续写数据的方法
JP2006236001A (ja) ディスクアレイ装置
JP6171616B2 (ja) ストレージ制御装置、及びストレージ制御プログラム
CN100492306C (zh) 独立磁盘冗余阵列毁损时的数据恢复方法及其系统
CN102609223A (zh) 一种独立冗余磁盘阵列系统及其初始化方法
JP2010026812A (ja) 磁気ディスク装置
TWI283349B (en) Data protection method
JP2005107675A (ja) ディスクアレイコントローラ及びディスクドライブの複製方法
JP2005166016A (ja) ディスクアレイ装置
JP2006260376A (ja) ストレージ装置およびメディアエラー回復方法
JP5598124B2 (ja) データ記録再生装置、データ記録方法、及び、データ記録プログラム