DE69534363D1 - Verfahren um Festplatten zu einer Festplattenanordnung hinzuzufügen und gleichzeitig die Datenerreichbarkeit zu gewährleisten - Google Patents

Verfahren um Festplatten zu einer Festplattenanordnung hinzuzufügen und gleichzeitig die Datenerreichbarkeit zu gewährleisten

Info

Publication number
DE69534363D1
DE69534363D1 DE69534363T DE69534363T DE69534363D1 DE 69534363 D1 DE69534363 D1 DE 69534363D1 DE 69534363 T DE69534363 T DE 69534363T DE 69534363 T DE69534363 T DE 69534363T DE 69534363 D1 DE69534363 D1 DE 69534363D1
Authority
DE
Germany
Prior art keywords
storage
disk array
storage space
raid
disks
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 - Lifetime
Application number
DE69534363T
Other languages
English (en)
Other versions
DE69534363T2 (de
Inventor
Michael Brent Jacobson
Douglas L Voigt
Theresa A Burkes
Bryan Diamond
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69534363D1 publication Critical patent/DE69534363D1/de
Publication of DE69534363T2 publication Critical patent/DE69534363T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06F11/08—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
    • G06F11/1096—Parity calculation or recalculation after configuration or reconfiguration of the system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0673—Single storage device
DE69534363T 1994-10-05 1995-05-26 Verfahren um Festplatten zu einer Festplattenanordnung hinzuzufügen und gleichzeitig die Datenerreichbarkeit zu gewährleisten Expired - Lifetime DE69534363T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US319385 1994-10-05
US08/319,385 US5615352A (en) 1994-10-05 1994-10-05 Methods for adding storage disks to a hierarchic disk array while maintaining data availability

Publications (2)

Publication Number Publication Date
DE69534363D1 true DE69534363D1 (de) 2005-09-15
DE69534363T2 DE69534363T2 (de) 2006-07-13

Family

ID=23242042

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69534363T Expired - Lifetime DE69534363T2 (de) 1994-10-05 1995-05-26 Verfahren um Festplatten zu einer Festplattenanordnung hinzuzufügen und gleichzeitig die Datenerreichbarkeit zu gewährleisten

Country Status (4)

Country Link
US (1) US5615352A (de)
EP (1) EP0706113B1 (de)
JP (1) JP3699165B2 (de)
DE (1) DE69534363T2 (de)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666512A (en) * 1995-02-10 1997-09-09 Hewlett-Packard Company Disk array having hot spare resources and methods for using hot spare resources to store user data
US6098128A (en) 1995-09-18 2000-08-01 Cyberstorage Systems Corporation Universal storage management system
JPH09147545A (ja) * 1995-09-19 1997-06-06 Ricoh Co Ltd メモリカードおよび情報処理装置
US5809224A (en) * 1995-10-13 1998-09-15 Compaq Computer Corporation On-line disk array reconfiguration
US5758118A (en) * 1995-12-08 1998-05-26 International Business Machines Corporation Methods and data storage devices for RAID expansion by on-line addition of new DASDs
JP3170455B2 (ja) * 1996-05-27 2001-05-28 インターナショナル・ビジネス・マシーンズ・コーポレ−ション データ記憶システムにおけるデータの再配置方法、そのシステムに記憶されたデータのアクセス方法及びデータ記憶システム
JPH10105345A (ja) * 1996-09-27 1998-04-24 Fujitsu Ltd アレイディスク装置
US5875457A (en) * 1996-10-08 1999-02-23 Mylex Corporation Fault-tolerant preservation of data integrity during dynamic raid set expansion
US6023584A (en) * 1997-01-03 2000-02-08 Ncr Corporation Installation of computer programs using disk mirroring
US5960169A (en) * 1997-02-27 1999-09-28 International Business Machines Corporation Transformational raid for hierarchical storage management system
US6000010A (en) * 1997-05-09 1999-12-07 Unisys Corporation Method of increasing the storage capacity of a level five RAID disk array by adding, in a single step, a new parity block and N--1 new data blocks which respectively reside in a new columns, where N is at least two
CN1281560A (zh) * 1997-10-08 2001-01-24 西加特技术有限责任公司 混合数据存储和重建系统以及用于数据存储装置的方法
US6098119A (en) * 1998-01-21 2000-08-01 Mylex Corporation Apparatus and method that automatically scans for and configures previously non-configured disk drives in accordance with a particular raid level based on the needed raid level
US6631477B1 (en) * 1998-03-13 2003-10-07 Emc Corporation Host system for mass storage business continuance volumes
US6304941B1 (en) * 1998-04-08 2001-10-16 International Business Machines Corporation Method and apparatus for reducing processor operations when adding a new drive to a raid-6 drive group
JP4412685B2 (ja) * 1998-09-28 2010-02-10 株式会社日立製作所 記憶制御装置及びこれを用いたデータ格納システムの取り扱い方法
US6405284B1 (en) 1998-10-23 2002-06-11 Oracle Corporation Distributing data across multiple data storage devices in a data storage system
US6530035B1 (en) 1998-10-23 2003-03-04 Oracle Corporation Method and system for managing storage systems containing redundancy data
US6427212B1 (en) 1998-11-13 2002-07-30 Tricord Systems, Inc. Data fault tolerance software apparatus and method
US6330625B1 (en) 1999-01-15 2001-12-11 Oracle Corporation System for initiating multiple read operation requests to multiple copies of a data item and identifying a first one of the requests as having the fastest response time
US6530036B1 (en) 1999-08-17 2003-03-04 Tricord Systems, Inc. Self-healing computer system storage
US6725392B1 (en) 1999-03-03 2004-04-20 Adaptec, Inc. Controller fault recovery system for a distributed file system
US6449731B1 (en) 1999-03-03 2002-09-10 Tricord Systems, Inc. Self-healing computer system storage
US6519679B2 (en) 1999-06-11 2003-02-11 Dell Usa, L.P. Policy based storage configuration
US6341331B1 (en) * 1999-10-01 2002-01-22 International Business Machines Corporation Method and system for managing a raid storage system with cache
US6629273B1 (en) 2000-01-24 2003-09-30 Hewlett-Packard Development Company, L.P. Detection of silent data corruption in a storage system
US6609219B1 (en) 2000-01-24 2003-08-19 Hewlett-Packard Development Company, L.P. Data corruption testing technique for a hierarchical storage system
US6530004B1 (en) 2000-06-20 2003-03-04 International Business Machines Corporation Efficient fault-tolerant preservation of data integrity during dynamic RAID data migration
US6546457B1 (en) * 2000-09-29 2003-04-08 Emc Corporation Method and apparatus for reconfiguring striped logical devices in a disk array storage
US6691121B1 (en) * 2000-10-27 2004-02-10 Bmc Software, Inc. Method and apparatus for online and dynamic extension of IMS data entry databases
US6549978B2 (en) 2001-01-17 2003-04-15 International Business Machines Corporation Method for storage controllers with different data formats to access common storage configuration information
US6785836B2 (en) * 2001-04-11 2004-08-31 Broadcom Corporation In-place data transformation for fault-tolerant disk storage systems
US6785788B1 (en) * 2001-07-03 2004-08-31 Unisys Corporation System and method for implementing an enhanced raid disk storage system
US6996670B2 (en) * 2001-10-05 2006-02-07 International Business Machines Corporation Storage area network methods and apparatus with file system extension
US6904540B2 (en) * 2001-10-29 2005-06-07 Hewlett-Packard Development Company, L.P. Targeted data protection
US7055056B2 (en) * 2001-11-21 2006-05-30 Hewlett-Packard Development Company, L.P. System and method for ensuring the availability of a storage system
US7111117B2 (en) * 2001-12-19 2006-09-19 Broadcom Corporation Expansion of RAID subsystems using spare space with immediate access to new space
US7055058B2 (en) * 2001-12-26 2006-05-30 Boon Storage Technologies, Inc. Self-healing log-structured RAID
JP4236590B2 (ja) * 2002-03-13 2009-03-11 富士通株式会社 Ｒａｉｄ装置の制御装置
US7133964B2 (en) * 2002-03-20 2006-11-07 Network Appliance, Inc Raid assimilation method and apparatus
US7120826B2 (en) * 2002-03-29 2006-10-10 International Business Machines Corporation Partial mirroring during expansion thereby eliminating the need to track the progress of stripes updated during expansion
WO2004006559A2 (en) * 2002-07-09 2004-01-15 Kaleidescape, Inc. Secure presentation of encrypted digital content
US6819560B2 (en) 2002-07-11 2004-11-16 Storage Technology Corporation Forced air system for cooling a high density array of disk drives
US6925531B2 (en) * 2002-07-11 2005-08-02 Storage Technology Corporation Multi-element storage array
US6862173B1 (en) 2002-07-11 2005-03-01 Storage Technology Corporation Modular multiple disk drive apparatus
US6904490B2 (en) * 2002-10-10 2005-06-07 International Business Machines Corporation Method and system of managing virtualized physical memory in a multi-processor system
US6920521B2 (en) * 2002-10-10 2005-07-19 International Business Machines Corporation Method and system of managing virtualized physical memory in a data processing system
US6907494B2 (en) * 2002-10-10 2005-06-14 International Business Machines Corporation Method and system of managing virtualized physical memory in a memory controller and processor system
AU2003284216A1 (en) * 2002-10-16 2004-05-04 Storage Matrix, Inc. Efficient expansion of highly reliable storage arrays and clusters
KR100502106B1 (ko) * 2002-10-17 2005-07-20 한국전자통신연구원 스트라이핑 기법을 이용한 레이드 시스템에서의 데이터재구성 방법
CN100380878C (zh) 2002-11-12 2008-04-09 泽特拉公司 通信协议、系统与方法
US8005918B2 (en) 2002-11-12 2011-08-23 Rateze Remote Mgmt. L.L.C. Data storage devices having IP capable partitions
US7170890B2 (en) 2002-12-16 2007-01-30 Zetera Corporation Electrical devices with improved communication
US7649880B2 (en) 2002-11-12 2010-01-19 Mark Adams Systems and methods for deriving storage area commands
US7162582B2 (en) * 2002-11-18 2007-01-09 Aristos Logic Corporation Caching in a virtualization system
US8225194B2 (en) 2003-01-09 2012-07-17 Kaleidescape, Inc. Bookmarks and watchpoints for selection and presentation of media streams
WO2004070585A2 (en) * 2003-01-31 2004-08-19 Kaleidescape, Inc. Detecting collusion among multiple recipients of fingerprinted information
US7304855B1 (en) 2003-03-03 2007-12-04 Storage Technology Corporation Canister-based storage system
US7185144B2 (en) * 2003-11-24 2007-02-27 Network Appliance, Inc. Semi-static distribution technique
US8572104B2 (en) 2003-04-18 2013-10-29 Kaleidescape, Inc. Sales of collections excluding those already purchased
US20040243945A1 (en) * 2003-05-30 2004-12-02 International Business Machines Corporation Representing a storage subsystem logical configuration in a graphical user interface using a tree metaphor
US7908413B2 (en) * 2003-07-15 2011-03-15 International Business Machines Corporation Data allocation in a distributed storage system
US20050015546A1 (en) * 2003-07-15 2005-01-20 Ofir Zohar Data storage system
US9489150B2 (en) 2003-08-14 2016-11-08 Dell International L.L.C. System and method for transferring data between different raid data storage types for current data and replay data
WO2005017737A2 (en) 2003-08-14 2005-02-24 Compellent Technologies Virtual disk drive system and method
JP4215606B2 (ja) * 2003-09-24 2009-01-28 日本電気株式会社 ディスクアレイ装置および記憶容量拡張方法ならびにプログラム
US7418548B2 (en) * 2003-11-18 2008-08-26 Intel Corporation Data migration from a non-raid volume to a raid volume
US7647451B1 (en) 2003-11-24 2010-01-12 Netapp, Inc. Data placement technique for striping data containers across volumes of a storage system cluster
US7487308B1 (en) * 2003-11-28 2009-02-03 Symantec Operating Corporation Identification for reservation of replacement storage devices for a logical volume to satisfy its intent
US7334156B2 (en) * 2004-02-13 2008-02-19 Tandberg Data Corp. Method and apparatus for RAID conversion
US7257732B2 (en) * 2004-02-13 2007-08-14 Kaleidescape, Inc. Integrating content-laden media with storage system
US20050235336A1 (en) * 2004-04-15 2005-10-20 Kenneth Ma Data storage system and method that supports personal video recorder functionality
US20050235283A1 (en) * 2004-04-15 2005-10-20 Wilson Christopher S Automatic setup of parameters in networked devices
US20050262322A1 (en) * 2004-05-21 2005-11-24 Kenneth Ma System and method of replacing a data storage drive
US20050235364A1 (en) * 2004-04-15 2005-10-20 Wilson Christopher S Authentication mechanism permitting access to data stored in a data processing device
US7555613B2 (en) * 2004-05-11 2009-06-30 Broadcom Corporation Storage access prioritization using a data storage device
US7681007B2 (en) 2004-04-15 2010-03-16 Broadcom Corporation Automatic expansion of hard disk drive capacity in a storage device
US7487385B2 (en) * 2004-11-01 2009-02-03 Netapp, Inc. Apparatus and method for recovering destroyed data volumes
US7873782B2 (en) * 2004-11-05 2011-01-18 Data Robotics, Inc. Filesystem-aware block storage system, apparatus, and method
AU2005304792B2 (en) * 2004-11-05 2010-07-08 Drobo, Inc. Storage system condition indicator and method
US7519693B2 (en) * 2004-11-18 2009-04-14 International Business Machines Corporation Apparatus, system, and method for integrating an enclosure
US7702850B2 (en) 2005-03-14 2010-04-20 Thomas Earl Ludwig Topology independent storage arrays and methods
US20060230136A1 (en) * 2005-04-12 2006-10-12 Kenneth Ma Intelligent auto-archiving
US7743210B1 (en) * 2005-04-29 2010-06-22 Netapp, Inc. System and method for implementing atomic cross-stripe write operations in a striped volume set
US20060259683A1 (en) * 2005-05-16 2006-11-16 Oracle International Corporation Method and system for disk stippling
US7620981B2 (en) 2005-05-26 2009-11-17 Charles William Frank Virtual devices and virtual bus tunnels, modules and methods
US9305011B2 (en) * 2005-07-27 2016-04-05 Hitachi Data Systems Corporation Method for improving mean time to data loss (MTDL) in a fixed content distributed data storage
US8819092B2 (en) 2005-08-16 2014-08-26 Rateze Remote Mgmt. L.L.C. Disaggregated resources and access methods
US7743214B2 (en) 2005-08-16 2010-06-22 Mark Adams Generating storage system commands
US8010753B2 (en) * 2005-09-28 2011-08-30 International Business Machines Corporation Systems and methods for temporarily transferring use of portions of partitioned memory between host computers
US9270532B2 (en) 2005-10-06 2016-02-23 Rateze Remote Mgmt. L.L.C. Resource command messages and methods
JP5167243B2 (ja) * 2006-04-04 2013-03-21 パーマビット テクノロジー コーポレイション 拡張性及び耐障害性を有する記憶システムのための記憶領域割当て及び消去符号化技法
US7924881B2 (en) 2006-04-10 2011-04-12 Rateze Remote Mgmt. L.L.C. Datagram identifier management
JP5048760B2 (ja) * 2006-05-24 2012-10-17 コンペレント・テクノロジーズ Ｒａｉｄ管理、再割振り、およびリストライピングのためのシステムおよび方法
US7783854B2 (en) * 2006-06-08 2010-08-24 Noam Camiel System and method for expandable non-volatile storage devices
JP2008181416A (ja) * 2007-01-25 2008-08-07 Hitachi Ltd 記憶システム及びデータ管理方法
US7844776B2 (en) * 2007-02-21 2010-11-30 Inventec Corporation RAID capacity expansion handling method and system with concurrent data access capability
US7797489B1 (en) * 2007-06-01 2010-09-14 Netapp, Inc. System and method for providing space availability notification in a distributed striped volume set
US8028137B2 (en) * 2007-12-20 2011-09-27 Seagate Technology Llc System and method of selective data mirroring in a data storage device
JP5075699B2 (ja) * 2008-03-21 2012-11-21 株式会社日立製作所 ストレージ容量拡張方法及びその方法を使用するストレージシステム
US9778882B2 (en) * 2008-06-30 2017-10-03 Hitachi Data Systems Engineering UK Limited Dynamic write balancing in a data storage system
JP4792490B2 (ja) * 2008-09-08 2011-10-12 株式会社日立製作所 記憶制御装置及びｒａｉｄグループの拡張方法
US8799571B1 (en) * 2008-09-26 2014-08-05 Emc Corporation System and method for configuring a device array upon detecting addition of a storage device
US8468292B2 (en) 2009-07-13 2013-06-18 Compellent Technologies Solid state drive data storage system and method
CN102043589B (zh) * 2009-10-20 2013-01-02 成都市华为赛门铁克科技有限公司 磁盘阵列的扩容方法和系统
WO2012045529A1 (en) 2010-10-07 2012-04-12 International Business Machines Corporation Raid array transformation
CN102446072B (zh) 2010-10-07 2014-11-19 国际商业机器公司 用于池式存储中的raid 阵列变换的系统和方法
CN102184080B (zh) * 2011-04-29 2012-10-10 华中科技大学 一种基于固化条带的raid系统扩容后的数据读写方法
US9069467B2 (en) * 2011-06-01 2015-06-30 Microsoft Technology Licensing, Llc Isolation of virtual machine I/O in multi-disk hosts
JP2013122691A (ja) * 2011-12-12 2013-06-20 Fujitsu Ltd 割り当て装置およびストレージ装置
JP2013196276A (ja) 2012-03-19 2013-09-30 Fujitsu Ltd 情報処理装置、プログラムおよびデータ配置方法
US9146851B2 (en) 2012-03-26 2015-09-29 Compellent Technologies Single-level cell and multi-level cell hybrid solid state drive
CN103268202B (zh) 2013-04-23 2017-02-08 华为技术有限公司 一种扩容方法和设备
US9378767B2 (en) 2013-07-26 2016-06-28 International Business Machines Corporation Configuration of a physical control unit to support multiple logical control units for different tape drive types in a mainframe native tape attachment storage system
CN105893188B (zh) * 2014-09-30 2018-12-14 伊姆西公司 用于加速磁盘阵列的数据重构的方法和装置
JP6663482B2 (ja) * 2016-04-05 2020-03-11 株式会社日立製作所 計算機システム、物理記憶デバイスの制御方法、および記録媒体
US20180293013A1 (en) * 2017-04-06 2018-10-11 Dell Products, Lp System and Method for Dynamically Allocating Storage Drives in a Storage Array
CN110058789B (zh) * 2018-01-18 2022-06-03 伊姆西Ip控股有限责任公司 用于管理存储系统的方法、存储系统以及计算机程序产品
US11054991B2 (en) * 2018-03-21 2021-07-06 Western Digital Technologies, Inc. Data storage system scale-out with local address remapping
US11748196B2 (en) 2018-06-29 2023-09-05 International Business Machines Corporation Adaptive parity rotation for redundant arrays of independent disks
US11157361B2 (en) 2018-06-29 2021-10-26 International Business Machines Corporation Efficient utilization of storage space in arrays of storage drives
CN113849124B (zh) * 2021-08-27 2023-08-04 苏州浪潮智能科技有限公司 一种磁盘阵列扩容方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0792775B2 (ja) * 1989-12-11 1995-10-09 株式会社日立製作所 外部記憶装置群のスペース管理方法
US5195100A (en) * 1990-03-02 1993-03-16 Micro Technology, Inc. Non-volatile memory storage of write operation identifier in data sotrage device
US5208813A (en) * 1990-10-23 1993-05-04 Array Technology Corporation On-line reconstruction of a failed redundant array system
AU8683991A (en) * 1990-11-09 1992-05-14 Array Technology Corporation Logical partitioning of a redundant array storage system
US5155835A (en) * 1990-11-19 1992-10-13 Storage Technology Corporation Multilevel, hierarchical, dynamically mapped data storage subsystem
US5258984A (en) * 1991-06-13 1993-11-02 International Business Machines Corporation Method and means for distributed sparing in DASD arrays
US5278838A (en) * 1991-06-18 1994-01-11 Ibm Corp. Recovery from errors in a redundant array of disk drives
US5237658A (en) * 1991-10-01 1993-08-17 Tandem Computers Incorporated Linear and orthogonal expansion of array storage in multiprocessor computing systems
US5502836A (en) * 1991-11-21 1996-03-26 Ast Research, Inc. Method for disk restriping during system operation
US5297258A (en) * 1991-11-21 1994-03-22 Ast Research, Inc. Data logging for hard disk data storage systems
US5287462A (en) * 1991-12-20 1994-02-15 Ncr Corporation Bufferless SCSI to SCSI data transfer scheme for disk array applications
US5289418A (en) * 1992-02-14 1994-02-22 Extended Systems, Inc. Memory apparatus with built-in parity generation
US5392244A (en) * 1993-08-19 1995-02-21 Hewlett-Packard Company Memory systems with data storage redundancy management
JP3249868B2 (ja) * 1993-11-19 2002-01-21 株式会社日立製作所 アレイ形式の記憶装置システム
US5485571A (en) * 1993-12-23 1996-01-16 International Business Machines Corporation Method and apparatus for providing distributed sparing with uniform workload distribution in failures
US5479653A (en) * 1994-07-14 1995-12-26 Dellusa, L.P. Disk array apparatus and method which supports compound raid configurations and spareless hot sparing

Also Published As

Publication number Publication date
JPH08115173A (ja) 1996-05-07
DE69534363T2 (de) 2006-07-13
EP0706113A2 (de) 1996-04-10
US5615352A (en) 1997-03-25
EP0706113B1 (de) 2005-08-10
EP0706113A3 (de) 1999-02-03
JP3699165B2 (ja) 2005-09-28

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