KR100743180B1 - 데이타이중화시스템 - Google Patents
데이타이중화시스템 Download PDFInfo
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- KR100743180B1 KR100743180B1 KR1020050082726A KR20050082726A KR100743180B1 KR 100743180 B1 KR100743180 B1 KR 100743180B1 KR 1020050082726 A KR1020050082726 A KR 1020050082726A KR 20050082726 A KR20050082726 A KR 20050082726A KR 100743180 B1 KR100743180 B1 KR 100743180B1
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- data
- storage device
- writing
- master
- redundancy system
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- 238000011084 recovery Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 10
- 230000002159 abnormal effect Effects 0.000 abstract description 62
- 230000015654 memory Effects 0.000 description 55
- 230000005856 abnormality Effects 0.000 description 20
- 230000006378 damage Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2087—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring with a common controller
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/16—Protection against loss of memory contents
-
- 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
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1441—Resetting or repowering
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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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2084—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring on the same storage unit
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
Description
Claims (6)
- 제1 및 제2기억수단;상기 제1 및 제2 기억수단에 순차로 데이타를 기입함으로써 해당 데이타를 이중화하는 제어부; 및상기 제1 및 제2 기억수단에 데이타의 기입 상태가 기술되는 상태테이블을 포함하고,상기 제어부는 상기 제1 및 제2 기억수단에 데이타를 기입중인지 아닌지를 표시하는 기입중플래그를 작성하고, 작성한 기입중플래그를 상기 상태테이블에 기술하는 플래그작성부;상기 데이타이중화시스템에 전원차단이 발생한 후에 상기 데이타이중화시스템에 전원 공급시에, 상기 상태테이블에 기술된 상기 기입중플래그의 내용에 기초하여 상기 제1 및 제2 기억수단으로 데이타의 기입중에 전원차단이 발생한 것인지 아닌지를 판단하는 전원차단판단부; 및상기 전원차단판단부에 의해 상기 제1 및 제2 기억수단 중 한쪽의 기억수단으로 데이타의 기입 중에 전원차단이 발생했다고 판단한 경우, 전원차단 발생 시에 데이타의 기입중이 아니었던 상기 제1 및 제2 기억수단 중 다른 쪽의 기억수단 내에 저장된 데이타를 사용하여 상기 데이타이중화시스템의 동작을 개시하는 기동처리부를 포함하는 데이타이중화시스템.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서,상기 제어부는 상기 데이타이중화시스템에 전원차단이 발생한 후에 상기 데이타이중화시스템에 전원 공급시에, 상기 제1 및 제2 기억수단 중 상기 한쪽에 저장된 데이타를 폐기하고, 상기 제1 및 제2 기억수단 중 상기 다른 쪽에 저장된 데이타를 상기 제1 및 제2 기억수단 중 상기 한쪽의 기억수단에 카피하는 복구처리부를 더 구비하는 데이타이중화시스템.
- 제1항에 있어서,상기 제어부는 상기 데이타이중화시스템에 전원차단이 발생한 후에 상기 데이타이중화시스템에 전원공급시에, 상기 제1 및 제2 기억수단 중 상기 한쪽의 기억수단을 논리적으로 분리하여 제어를 행하지 않고, 이후의 소정의 시기에, 상기 제1 및 제2 기억수단 중 상기 제1 및 제2 기억수단 중 상기 다른 쪽에 저장된 데이타를 상기 제1 및 제2 기억수단 중 상기 한쪽의 기억수단에 카피하는 복구처리부를 더 구비하는 데이타이중화시스템.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00265388 | 2004-09-13 | ||
JP2004265388A JP4662743B2 (ja) | 2004-09-13 | 2004-09-13 | データ2重化システム |
Publications (2)
Publication Number | Publication Date |
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KR20060051050A KR20060051050A (ko) | 2006-05-19 |
KR100743180B1 true KR100743180B1 (ko) | 2007-07-27 |
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KR1020050082726A KR100743180B1 (ko) | 2004-09-13 | 2005-09-06 | 데이타이중화시스템 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7724643B2 (ko) |
JP (1) | JP4662743B2 (ko) |
KR (1) | KR100743180B1 (ko) |
CN (1) | CN100377100C (ko) |
TW (1) | TWI291299B (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8001400B2 (en) * | 2006-12-01 | 2011-08-16 | Apple Inc. | Power consumption management for functional preservation in a battery-powered electronic device |
TWI334536B (en) * | 2006-12-28 | 2010-12-11 | Accton Technology Corp | Portable communication device with dual configuration storage and the method for the same |
GB2462237B (en) * | 2007-06-04 | 2011-11-23 | Fujitsu Ltd | Packet switching system |
JP4475320B2 (ja) * | 2007-11-15 | 2010-06-09 | 株式会社デンソー | 車両用記憶管理装置 |
CN101710253B (zh) * | 2009-11-25 | 2012-06-13 | 安凯(广州)微电子技术有限公司 | 嵌入式系统的深度休眠方法 |
US8832537B2 (en) | 2009-12-22 | 2014-09-09 | Toyota Jidosha Kabushiki Kaisha | Information management apparatus and information managing method |
CN102110032A (zh) * | 2011-02-23 | 2011-06-29 | 杭州海康威视数字技术股份有限公司 | 一种提高配置文件可靠性的方法及装置 |
FR2982406A1 (fr) | 2011-11-07 | 2013-05-10 | St Microelectronics Rousset | Memoire securisee qui evite la degradation de donnees |
KR101342658B1 (ko) * | 2011-12-06 | 2013-12-16 | 주식회사 디에이아이오 | 비휘발성 메모리 시스템 및 그 구성 방법 |
US9195542B2 (en) * | 2013-04-29 | 2015-11-24 | Amazon Technologies, Inc. | Selectively persisting application program data from system memory to non-volatile data storage |
CN104391926B (zh) * | 2014-11-20 | 2018-12-28 | 浪潮(北京)电子信息产业有限公司 | 一种同步数据复制方法及装置 |
CN105302498A (zh) * | 2015-11-24 | 2016-02-03 | 浪潮(北京)电子信息产业有限公司 | 一种存储冗余系统与方法 |
CN106919474A (zh) * | 2015-12-28 | 2017-07-04 | 中移(苏州)软件技术有限公司 | 一种缓存数据保护方法和装置 |
CN105808388A (zh) * | 2016-03-30 | 2016-07-27 | 苏州美天网络科技有限公司 | 硬盘数据的备份方法 |
JP6898186B2 (ja) * | 2017-09-13 | 2021-07-07 | 日立Astemo株式会社 | 自動車用制御装置及び不揮発性メモリの書き込み方法 |
CN109815071A (zh) * | 2019-01-04 | 2019-05-28 | 珠海妙存科技有限公司 | 一种基于Linux系统的存储介质掉电测试方法 |
JP2021005121A (ja) * | 2019-06-25 | 2021-01-14 | 株式会社日立製作所 | ストレージ装置、及び制御方法 |
CN110806794A (zh) | 2019-10-10 | 2020-02-18 | 浙江大华技术股份有限公司 | 存储系统的掉电保护方法、系统、计算机设备以及介质 |
US20220350494A1 (en) * | 2020-11-26 | 2022-11-03 | Micron Technology, Inc. | Programming video data to different portions of memory |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01133146A (ja) * | 1987-11-19 | 1989-05-25 | Oki Electric Ind Co Ltd | 端末装置 |
KR970059900A (ko) * | 1996-01-31 | 1997-08-12 | 니시무로 다이조 | 검사복구기능을 가진 입출력장치 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56129964A (en) | 1980-03-17 | 1981-10-12 | Hitachi Ltd | Duplicate file control system |
JPH036752A (ja) | 1989-06-05 | 1991-01-14 | Fujitsu Ltd | ファイルシステムの二重化方式 |
US5341493A (en) * | 1990-09-21 | 1994-08-23 | Emc Corporation | Disk storage system with write preservation during power failure |
US5544347A (en) * | 1990-09-24 | 1996-08-06 | Emc Corporation | Data storage system controlled remote data mirroring with respectively maintained data indices |
JPH0675041U (ja) * | 1993-03-19 | 1994-10-21 | 横河電機株式会社 | データ二重化装置 |
JPH07271647A (ja) | 1994-03-31 | 1995-10-20 | Nec Corp | 二重化ファイルシステム |
US5828823A (en) | 1995-03-01 | 1998-10-27 | Unisys Corporation | Method and apparatus for storing computer data after a power failure |
US5559957A (en) * | 1995-05-31 | 1996-09-24 | Lucent Technologies Inc. | File system for a data storage device having a power fail recovery mechanism for write/replace operations |
US5889933A (en) * | 1997-01-30 | 1999-03-30 | Aiwa Co., Ltd. | Adaptive power failure recovery |
TW379825U (en) | 1997-11-28 | 2000-01-11 | Eten Information System Co Ltd | Personal digital assistant system which can automatically backup data on non-volatile memory |
JPH11338647A (ja) | 1998-05-25 | 1999-12-10 | Hitachi Ltd | 二重化データの形成方法 |
JP4293648B2 (ja) * | 1998-06-26 | 2009-07-08 | 株式会社日本デジタル研究所 | ディスク装置におけるデータ保護方法、ディスク装置、およびプログラムを記録したコンピュータに読み取り可能な記録媒体 |
JP2001034540A (ja) * | 1999-07-19 | 2001-02-09 | Hitachi Ltd | 二重書きデータ処理システムにおける差分バックアップ方法およびバックアップ復元方法 |
US6671705B1 (en) * | 1999-08-17 | 2003-12-30 | Emc Corporation | Remote mirroring system, device, and method |
US7065610B1 (en) * | 2000-06-27 | 2006-06-20 | Emc Corporation | Method and apparatus for maintaining inventory of logical volumes stored on storage elements |
JP2002244880A (ja) * | 2001-02-20 | 2002-08-30 | Nippon Telegr & Teleph Corp <Ntt> | データ二重化バックアップ方法、システム及び情報処理装置、バックアップ処理プログラム、検出切替プログラム、バックアップ処理プログラムを記録した記録媒体並びに検出切替プログラムを記録した記録媒体 |
TW577247B (en) | 2001-08-30 | 2004-02-21 | Axisoft Technologies Inc | Subscriber identification module card backup system |
US6990603B2 (en) * | 2002-01-02 | 2006-01-24 | Exanet Inc. | Method and apparatus for securing volatile data in power failure in systems having redundancy |
CN100346266C (zh) | 2002-06-28 | 2007-10-31 | 联想(北京)有限公司 | 计算机异常断电文件系统防破坏的方法 |
US7134044B2 (en) * | 2002-08-16 | 2006-11-07 | International Business Machines Corporation | Method, system, and program for providing a mirror copy of data |
JP4301849B2 (ja) * | 2003-03-31 | 2009-07-22 | 株式会社日立製作所 | 情報処理方法及びその実施システム並びにその処理プログラム並びにディザスタリカバリ方法およびシステム並びにその処理を実施する記憶装置およびその制御処理方法 |
TWI226541B (en) * | 2003-04-09 | 2005-01-11 | Asustek Comp Inc | Method preventing user's data stored in PDA from losing and device thereof |
US7523275B2 (en) * | 2003-04-10 | 2009-04-21 | International Business Machines Corporation | Method, system, and program for maintaining a copy relationship between primary volumes and corresponding secondary volumes |
JP4090400B2 (ja) * | 2003-07-24 | 2008-05-28 | 株式会社日立製作所 | ストレージシステム |
US7904428B2 (en) * | 2003-09-23 | 2011-03-08 | Symantec Corporation | Methods and apparatus for recording write requests directed to a data store |
US7165141B2 (en) * | 2004-02-27 | 2007-01-16 | Hewlett-Packard Development Company, L.P. | Daisy-chained device-mirroring architecture |
JP2005301419A (ja) * | 2004-04-07 | 2005-10-27 | Hitachi Ltd | ディスクアレイ装置およびそのデータ処理方法 |
JP2005309818A (ja) * | 2004-04-22 | 2005-11-04 | Hitachi Ltd | ストレージ装置、そのデータ読出方法、及びそのデータ読出プログラム |
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- 2004-09-13 JP JP2004265388A patent/JP4662743B2/ja active Active
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- 2005-08-22 TW TW094128640A patent/TWI291299B/zh active
- 2005-08-31 US US11/215,043 patent/US7724643B2/en active Active
- 2005-09-06 KR KR1020050082726A patent/KR100743180B1/ko active IP Right Grant
- 2005-09-13 CN CNB2005100999844A patent/CN100377100C/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01133146A (ja) * | 1987-11-19 | 1989-05-25 | Oki Electric Ind Co Ltd | 端末装置 |
KR970059900A (ko) * | 1996-01-31 | 1997-08-12 | 니시무로 다이조 | 검사복구기능을 가진 입출력장치 |
Also Published As
Publication number | Publication date |
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JP4662743B2 (ja) | 2011-03-30 |
CN100377100C (zh) | 2008-03-26 |
TWI291299B (en) | 2007-12-11 |
US7724643B2 (en) | 2010-05-25 |
JP2006079522A (ja) | 2006-03-23 |
CN1749968A (zh) | 2006-03-22 |
TW200625900A (en) | 2006-07-16 |
US20060056321A1 (en) | 2006-03-16 |
KR20060051050A (ko) | 2006-05-19 |
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