DE69528443T2 - Betriebsverfahren einer Speicherplattenanordnung - Google Patents

Betriebsverfahren einer Speicherplattenanordnung

Info

Publication number
DE69528443T2
DE69528443T2 DE69528443T DE69528443T DE69528443T2 DE 69528443 T2 DE69528443 T2 DE 69528443T2 DE 69528443 T DE69528443 T DE 69528443T DE 69528443 T DE69528443 T DE 69528443T DE 69528443 T2 DE69528443 T2 DE 69528443T2
Authority
DE
Germany
Prior art keywords
parity
data
operations
unfinished write
write
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.)
Expired - Fee Related
Application number
DE69528443T
Other languages
English (en)
Other versions
DE69528443D1 (de
Inventor
Charles D Binford
Mark A Gaertner
Steven P Denny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SK Hynix Inc
Original Assignee
Hyundai Electronics America 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 Hyundai Electronics America Inc filed Critical Hyundai Electronics America Inc
Application granted granted Critical
Publication of DE69528443D1 publication Critical patent/DE69528443D1/de
Publication of DE69528443T2 publication Critical patent/DE69528443T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G06F11/1088—Reconstruction on already foreseen single or plurality of spare disks
    • 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
    • G06F11/1435—Saving, restoring, recovering or retrying at system level using file system or storage system metadata
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
DE69528443T 1994-12-21 1995-12-19 Betriebsverfahren einer Speicherplattenanordnung Expired - Fee Related DE69528443T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/360,198 US5533190A (en) 1994-12-21 1994-12-21 Method for maintaining parity-data consistency in a disk array

Publications (2)

Publication Number Publication Date
DE69528443D1 DE69528443D1 (de) 2002-11-07
DE69528443T2 true DE69528443T2 (de) 2003-11-27

Family

ID=23416985

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528443T Expired - Fee Related DE69528443T2 (de) 1994-12-21 1995-12-19 Betriebsverfahren einer Speicherplattenanordnung

Country Status (5)

Country Link
US (1) US5533190A (de)
EP (1) EP0718766B1 (de)
JP (1) JP3164499B2 (de)
KR (1) KR100396197B1 (de)
DE (1) DE69528443T2 (de)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3661205B2 (ja) * 1994-09-09 2005-06-15 株式会社日立製作所 ディスクアレイシステムおよびディスクアレイシステムのパリティデータの生成方法
JP3253473B2 (ja) * 1995-01-27 2002-02-04 富士通株式会社 二重化された共用メモリの等価性回復処理方法および装置
US5774641A (en) * 1995-09-14 1998-06-30 International Business Machines Corporation Computer storage drive array with command initiation at respective drives
US5774643A (en) * 1995-10-13 1998-06-30 Digital Equipment Corporation Enhanced raid write hole protection and recovery
US5812753A (en) * 1995-10-13 1998-09-22 Eccs, Inc. Method for initializing or reconstructing data consistency within an array of storage elements
US6067635A (en) * 1995-10-27 2000-05-23 Lsi Logic Corporation Preservation of data integrity in a raid storage device
US5829013A (en) 1995-12-26 1998-10-27 Intel Corporation Memory manager to allow non-volatile memory to be used to supplement main memory
US5790773A (en) * 1995-12-29 1998-08-04 Symbios, Inc. Method and apparatus for generating snapshot copies for data backup in a raid subsystem
US5917998A (en) * 1996-07-26 1999-06-29 International Business Machines Corporation Method and apparatus for establishing and maintaining the status of membership sets used in mirrored read and write input/output without logging
JP3593814B2 (ja) * 1996-09-18 2004-11-24 ソニー株式会社 記録再生装置
KR100275900B1 (ko) * 1996-09-21 2000-12-15 윤종용 알에이아이디 서브시스템에 있어서 분할패러티 예비 디스크 구현방법
US5896493A (en) * 1997-01-17 1999-04-20 Dell Usa, L.P. Raid algorithm using a multimedia functional unit
US5889933A (en) * 1997-01-30 1999-03-30 Aiwa Co., Ltd. Adaptive power failure recovery
US6182188B1 (en) 1997-04-06 2001-01-30 Intel Corporation Method of performing reliable updates in a symmetrically blocked nonvolatile memory having a bifurcated storage architecture
US6311290B1 (en) 1997-02-14 2001-10-30 Intel Corporation Methods of reliably allocating, de-allocating, re-allocating, and reclaiming objects in a symmetrically blocked nonvolatile memory having a bifurcated storage architecture
US5822245A (en) * 1997-03-26 1998-10-13 Atmel Corporation Dual buffer flash memory architecture with multiple operating modes
US6088759A (en) * 1997-04-06 2000-07-11 Intel Corporation Method of performing reliable updates in a symmetrically blocked nonvolatile memory having a bifurcated storage architecture
US6148368A (en) * 1997-07-31 2000-11-14 Lsi Logic Corporation Method for accelerating disk array write operations using segmented cache memory and data logging
JP3618529B2 (ja) 1997-11-04 2005-02-09 富士通株式会社 ディスクアレイ装置
US6516440B1 (en) * 1998-05-14 2003-02-04 Seiko Epson Corporation Printer and a control method for saving data from volatile to nonvolatile memory in the printer
US6438661B1 (en) 1999-03-03 2002-08-20 International Business Machines Corporation Method, system, and program for managing meta data in a storage system and rebuilding lost meta data in cache
US6513097B1 (en) 1999-03-03 2003-01-28 International Business Machines Corporation Method and system for maintaining information about modified data in cache in a storage system for use during a system failure
US6502174B1 (en) 1999-03-03 2002-12-31 International Business Machines Corporation Method and system for managing meta data
JP2001344076A (ja) * 2000-06-05 2001-12-14 Fujitsu Ltd ディスクアレイ装置
US7240235B2 (en) * 2002-03-13 2007-07-03 Intel Corporation Journaling technique for write transactions to mass storage
US7886298B2 (en) * 2002-03-26 2011-02-08 Hewlett-Packard Development Company, L.P. Data transfer protocol for data replication between multiple pairs of storage controllers on a san fabric
US7032131B2 (en) * 2002-03-26 2006-04-18 Hewlett-Packard Development Company, L.P. System and method for ensuring merge completion in a storage area network
US6947981B2 (en) * 2002-03-26 2005-09-20 Hewlett-Packard Development Company, L.P. Flexible data replication mechanism
US7149769B2 (en) * 2002-03-26 2006-12-12 Hewlett-Packard Development Company, L.P. System and method for multi-destination merge in a storage area network
US6880052B2 (en) * 2002-03-26 2005-04-12 Hewlett-Packard Development Company, Lp Storage area network, data replication and storage controller, and method for replicating data using virtualized volumes
US6934826B2 (en) * 2002-03-26 2005-08-23 Hewlett-Packard Development Company, L.P. System and method for dynamically allocating memory and managing memory allocated to logging in a storage area network
US6996672B2 (en) * 2002-03-26 2006-02-07 Hewlett-Packard Development, L.P. System and method for active-active data replication
US7542986B2 (en) * 2002-03-26 2009-06-02 Hewlett-Packard Development Company, L.P. System and method for maintaining order for a replicated multi-unit I/O stream
US6928513B2 (en) * 2002-03-26 2005-08-09 Hewlett-Packard Development Company, L.P. System and method for managing data logging memory in a storage area network
US7007042B2 (en) * 2002-03-28 2006-02-28 Hewlett-Packard Development Company, L.P. System and method for automatic site failover in a storage area network
KR100740225B1 (ko) * 2002-04-30 2007-07-18 삼성전자주식회사 전원의 재공급에 따른 동작상태를 복구할 수 있는 콤보시스템 및 방법
US6859890B2 (en) * 2002-04-30 2005-02-22 Lsi Logic Corporation Method for reducing data/parity inconsistencies due to a storage controller failure
US7290168B1 (en) 2003-02-28 2007-10-30 Sun Microsystems, Inc. Systems and methods for providing a multi-path network switch system
US7430568B1 (en) 2003-02-28 2008-09-30 Sun Microsystems, Inc. Systems and methods for providing snapshot capabilities in a storage virtualization environment
US7383381B1 (en) 2003-02-28 2008-06-03 Sun Microsystems, Inc. Systems and methods for configuring a storage virtualization environment
US7236987B1 (en) 2003-02-28 2007-06-26 Sun Microsystems Inc. Systems and methods for providing a storage virtualization environment
US7380198B2 (en) 2003-06-11 2008-05-27 International Business Machines Corporation System and method for detecting write errors in a storage device
GB2402803B (en) * 2003-06-11 2006-06-28 Ibm Arrangement and method for detection of write errors in a storage system
US7308397B2 (en) * 2003-06-30 2007-12-11 Lsi Corporation Method for controlling and emulating functional and logical behaviors of an array of storage devices for different protocols
CN100350371C (zh) * 2003-10-07 2007-11-21 普安科技股份有限公司 磁盘阵列一致性初始化方法
KR20050049199A (ko) * 2003-11-21 2005-05-25 삼성전자주식회사 콤보시어터 시스템 및 그의 동작 제어방법
US7194640B2 (en) * 2003-12-08 2007-03-20 Lsi Logic Corporation Alternate non-volatile memory for robust I/O
CN100370429C (zh) * 2003-12-11 2008-02-20 鸿富锦精密工业（深圳）有限公司 确认数据完整性系统及方法
CN100340989C (zh) * 2004-04-14 2007-10-03 华为技术有限公司 随机存储器的数据保存方法
US7730257B2 (en) * 2004-12-16 2010-06-01 Broadcom Corporation Method and computer program product to increase I/O write performance in a redundant array
US7779294B2 (en) * 2005-04-15 2010-08-17 Intel Corporation Power-safe disk storage apparatus, systems, and methods
WO2007132456A2 (en) 2006-05-12 2007-11-22 Anobit Technologies Ltd. Memory device with adaptive capacity
CN103280239B (zh) 2006-05-12 2016-04-06 苹果公司 存储设备中的失真估计和消除
US8595573B2 (en) 2006-12-03 2013-11-26 Apple Inc. Automatic defect management in memory devices
US7730347B1 (en) * 2007-01-03 2010-06-01 Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations Data recovery system and method including a disk array architecture that provides recovery of data to any point of time
CN101715595A (zh) 2007-03-12 2010-05-26 爱诺彼得技术有限责任公司 存储器单元读取阈的自适应估计
US20080276124A1 (en) * 2007-05-04 2008-11-06 Hetzler Steven R Incomplete write protection for disk array
US8234545B2 (en) 2007-05-12 2012-07-31 Apple Inc. Data storage with incremental redundancy
WO2008139441A2 (en) * 2007-05-12 2008-11-20 Anobit Technologies Ltd. Memory device with internal signal processing unit
US8259497B2 (en) * 2007-08-06 2012-09-04 Apple Inc. Programming schemes for multi-level analog memory cells
US8300478B2 (en) 2007-09-19 2012-10-30 Apple Inc. Reducing distortion using joint storage
US8174905B2 (en) 2007-09-19 2012-05-08 Anobit Technologies Ltd. Programming orders for reducing distortion in arrays of multi-level analog memory cells
WO2009050703A2 (en) 2007-10-19 2009-04-23 Anobit Technologies Data storage in analog memory cell arrays having erase failures
US7827441B1 (en) * 2007-10-30 2010-11-02 Network Appliance, Inc. Disk-less quorum device for a clustered storage system
WO2009063450A2 (en) 2007-11-13 2009-05-22 Anobit Technologies Optimized selection of memory units in multi-unit memory devices
US8225181B2 (en) * 2007-11-30 2012-07-17 Apple Inc. Efficient re-read operations from memory devices
US8209588B2 (en) 2007-12-12 2012-06-26 Anobit Technologies Ltd. Efficient interference cancellation in analog memory cell arrays
US8456905B2 (en) * 2007-12-16 2013-06-04 Apple Inc. Efficient data storage in multi-plane memory devices
US7849356B2 (en) * 2008-01-17 2010-12-07 International Business Machines Corporation Parity data management system apparatus and method
US8230300B2 (en) 2008-03-07 2012-07-24 Apple Inc. Efficient readout from analog memory cells using data compression
US8493783B2 (en) 2008-03-18 2013-07-23 Apple Inc. Memory device readout using multiple sense times
US8400858B2 (en) 2008-03-18 2013-03-19 Apple Inc. Memory device with reduced sense time readout
US8498151B1 (en) 2008-08-05 2013-07-30 Apple Inc. Data storage in analog memory cells using modified pass voltages
US8949684B1 (en) 2008-09-02 2015-02-03 Apple Inc. Segmented data storage
US8482978B1 (en) 2008-09-14 2013-07-09 Apple Inc. Estimation of memory cell read thresholds by sampling inside programming level distribution intervals
US8239734B1 (en) 2008-10-15 2012-08-07 Apple Inc. Efficient data storage in storage device arrays
US8261159B1 (en) 2008-10-30 2012-09-04 Apple, Inc. Data scrambling schemes for memory devices
US8208304B2 (en) 2008-11-16 2012-06-26 Anobit Technologies Ltd. Storage at M bits/cell density in N bits/cell analog memory cell devices, M>N
JP4819116B2 (ja) * 2008-12-19 2011-11-24 富士通株式会社 制御装置、ストレージ装置および制御方法
US8397131B1 (en) 2008-12-31 2013-03-12 Apple Inc. Efficient readout schemes for analog memory cell devices
US8248831B2 (en) 2008-12-31 2012-08-21 Apple Inc. Rejuvenation of analog memory cells
US8924661B1 (en) 2009-01-18 2014-12-30 Apple Inc. Memory system including a controller and processors associated with memory devices
KR101512493B1 (ko) 2009-02-06 2015-04-15 삼성전자주식회사 저전력 시스템온칩
US8228701B2 (en) * 2009-03-01 2012-07-24 Apple Inc. Selective activation of programming schemes in analog memory cell arrays
US8259506B1 (en) 2009-03-25 2012-09-04 Apple Inc. Database of memory read thresholds
US8832354B2 (en) 2009-03-25 2014-09-09 Apple Inc. Use of host system resources by memory controller
US8238157B1 (en) 2009-04-12 2012-08-07 Apple Inc. Selective re-programming of analog memory cells
US8479080B1 (en) 2009-07-12 2013-07-02 Apple Inc. Adaptive over-provisioning in memory systems
US8495465B1 (en) 2009-10-15 2013-07-23 Apple Inc. Error correction coding over multiple memory pages
US8677054B1 (en) 2009-12-16 2014-03-18 Apple Inc. Memory management schemes for non-volatile memory devices
US8694814B1 (en) 2010-01-10 2014-04-08 Apple Inc. Reuse of host hibernation storage space by memory controller
US8677203B1 (en) 2010-01-11 2014-03-18 Apple Inc. Redundant data storage schemes for multi-die memory systems
US8694853B1 (en) 2010-05-04 2014-04-08 Apple Inc. Read commands for reading interfering memory cells
US8572423B1 (en) 2010-06-22 2013-10-29 Apple Inc. Reducing peak current in memory systems
US8595591B1 (en) 2010-07-11 2013-11-26 Apple Inc. Interference-aware assignment of programming levels in analog memory cells
US9104580B1 (en) 2010-07-27 2015-08-11 Apple Inc. Cache memory for hybrid disk drives
US8645794B1 (en) 2010-07-31 2014-02-04 Apple Inc. Data storage in analog memory cells using a non-integer number of bits per cell
US8856475B1 (en) 2010-08-01 2014-10-07 Apple Inc. Efficient selection of memory blocks for compaction
US8493781B1 (en) 2010-08-12 2013-07-23 Apple Inc. Interference mitigation using individual word line erasure operations
US8694854B1 (en) 2010-08-17 2014-04-08 Apple Inc. Read threshold setting based on soft readout statistics
US9021181B1 (en) 2010-09-27 2015-04-28 Apple Inc. Memory management for unifying memory cell conditions by using maximum time intervals
JP5534024B2 (ja) * 2010-10-21 2014-06-25 富士通株式会社 ストレージ制御装置およびストレージ制御方法
JP2013061799A (ja) 2011-09-13 2013-04-04 Toshiba Corp 記憶装置、記憶装置の制御方法およびコントローラ
US9053809B2 (en) 2011-11-09 2015-06-09 Apple Inc. Data protection from write failures in nonvolatile memory
CN103049220B (zh) * 2012-12-19 2016-05-25 华为技术有限公司 存储控制方法、存储控制装置和固态存储系统
US9563509B2 (en) * 2014-07-15 2017-02-07 Nimble Storage, Inc. Methods and systems for storing data in a redundant manner on a plurality of storage units of a storage system
US10684927B2 (en) 2014-07-29 2020-06-16 Hewlett Packard Enterprise Development Lp Methods and systems for storing information that facilitates the reconstruction of at least some of the contents of a storage unit on a storage system
WO2016076850A1 (en) * 2014-11-12 2016-05-19 Hewlett Packard Enterprise Development Lp Data write back
US9946607B2 (en) * 2015-03-04 2018-04-17 Sandisk Technologies Llc Systems and methods for storage error management
US10664193B2 (en) * 2016-09-16 2020-05-26 Hitachi, Ltd. Storage system for improved efficiency of parity generation and minimized processor load
US10467074B2 (en) 2016-12-30 2019-11-05 Western Digital Technologies, Inc. Conditional journal for storage class memory devices
US10459798B2 (en) 2017-09-15 2019-10-29 Seagate Technology Llc Data storage system with multiple parity redundancy
CN109725824A (zh) * 2017-10-27 2019-05-07 伊姆西Ip控股有限责任公司 用于向存储系统中的盘阵列写入数据的方法和设备
CN110058791B (zh) * 2018-01-18 2022-05-10 伊姆西Ip控股有限责任公司 存储系统以及相应的方法和计算机可读介质
US10754726B2 (en) * 2018-08-21 2020-08-25 Micron Technology, Inc. Tracking error-correction parity calculations
JP6777330B2 (ja) * 2018-12-18 2020-10-28 Ｎｅｃプラットフォームズ株式会社 ディスクアレイ制御装置、ディスクアレイ装置、ディスクアレイ装置の制御方法及びプログラム
US11556416B2 (en) 2021-05-05 2023-01-17 Apple Inc. Controlling memory readout reliability and throughput by adjusting distance between read thresholds
US11847342B2 (en) 2021-07-28 2023-12-19 Apple Inc. Efficient transfer of hard data and confidence levels in reading a nonvolatile memory
CN114079616B (zh) * 2021-11-02 2023-11-03 中国船舶重工集团公司第七0三研究所 一种非热备磁盘阵列服务器数据库冗余方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375128A (en) * 1990-10-18 1994-12-20 Ibm Corporation (International Business Machines Corporation) Fast updating of DASD arrays using selective shadow writing of parity and data blocks, tracks, or cylinders
US5235601A (en) * 1990-12-21 1993-08-10 Array Technology Corporation On-line restoration of redundancy information in a redundant array system
US5379417A (en) * 1991-11-25 1995-01-03 Tandem Computers Incorporated System and method for ensuring write data integrity in a redundant array data storage system
US5418921A (en) * 1992-05-05 1995-05-23 International Business Machines Corporation Method and means for fast writing data to LRU cached based DASD arrays under diverse fault tolerant modes
US5708668A (en) * 1992-05-06 1998-01-13 International Business Machines Corporation Method and apparatus for operating an array of storage devices
WO1993023803A1 (fr) * 1992-05-21 1993-11-25 Fujitsu Limited Appareil de commande pour pile de disques
US5388108A (en) * 1992-10-23 1995-02-07 Ncr Corporation Delayed initiation of read-modify-write parity operations in a raid level 5 disk array
JPH08511368A (ja) * 1993-06-04 1996-11-26 ネットワーク・アプリアンス・コーポレーション 不揮発性メモリを用いてｒａｉｄサブシステムにパリティを形成する方法

Also Published As

Publication number Publication date
JP3164499B2 (ja) 2001-05-08
JPH08263227A (ja) 1996-10-11
US5533190A (en) 1996-07-02
KR100396197B1 (ko) 2003-11-01
KR960024954A (ko) 1996-07-20
EP0718766A2 (de) 1996-06-26
DE69528443D1 (de) 2002-11-07
EP0718766B1 (de) 2002-10-02
EP0718766A3 (de) 1999-03-17

Similar Documents

Publication Publication Date Title
DE69528443T2 (de) Betriebsverfahren einer Speicherplattenanordnung
US6766491B2 (en) Parity mirroring between controllers in an active-active controller pair
US5566316A (en) Method and apparatus for hierarchical management of data storage elements in an array storage device
JP2831072B2 (ja) ディスクドライブメモリ
US6408400B2 (en) Disk array device
US4989206A (en) Disk drive memory
US4989205A (en) Disk drive memory
EP0272029B1 (de) Löschbare optische Platte und Gerät zur Aufnahme und Wiedergabe optischer Informationen mit Einrichtung zur Handhabung defekter Sektoren
CA2268128C (en) Expansion of the number of drives in a raid set while maintaining integrity of migrated data
US7464322B2 (en) System and method for detecting write errors in a storage device
KR100697761B1 (ko) 디스크 어레이 장치와 그 데이터의 리커버리 방법 및 데이터 리커버리 프로그램을 기록한 기록 매체
US20090327603A1 (en) System including solid state drives paired with hard disk drives in a RAID 1 configuration and a method for providing/implementing said system
US8356292B2 (en) Method for updating control program of physical storage device in storage virtualization system and storage virtualization controller and system thereof
EP0869436A2 (de) Verfahren zur Datenspeicherung in einer redundanten Speicherplattengruppe und redundante Speicherplattenmatrix
EP0936534A2 (de) Aufzeichnungsgerät
DE69324974T2 (de) Optimierte Stricherkennung für redundante Speicherplattenanordnung
KR20080008419A (ko) 전력 손실에 의한 데이터 손상을 방지하는 플래시 메모리관리 방법
CN104050056A (zh) 多存储介质设备的文件系统备份
KR970049731A (ko) 멀티플 서브시스템에서 핫 스페어 드라이브를 공유하기 위한 장치 및 방법
CN104035830A (zh) 一种数据恢复方法和装置
US7062605B2 (en) Methods and structure for rapid background initialization of a RAID logical unit
JP3573032B2 (ja) ディスクアレイ装置
JP2007058873A (ja) 不揮発メモリを使用したディスク制御装置
JPH08286844A (ja) パリティ生成制御方法およびディスク制御装置
US20070028136A1 (en) Parity update footprints kept on disk

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8327 Change in the person/name/address of the patent owner

Owner name: HYNIX SEMICONDUCTOR INC., ICHON, KYONGGI, KR