DE60203773D1 - Hierarchischer Ansatz zur Erkennung von veränderten Geräteeigenschaften - Google Patents

Hierarchischer Ansatz zur Erkennung von veränderten Geräteeigenschaften

Info

Publication number
DE60203773D1
DE60203773D1 DE60203773T DE60203773T DE60203773D1 DE 60203773 D1 DE60203773 D1 DE 60203773D1 DE 60203773 T DE60203773 T DE 60203773T DE 60203773 T DE60203773 T DE 60203773T DE 60203773 D1 DE60203773 D1 DE 60203773D1
Authority
DE
Germany
Prior art keywords
value
stored
globally accessible
obtaining
device characteristics
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
DE60203773T
Other languages
English (en)
Other versions
DE60203773T2 (de
Inventor
Mark J Halstead
Dan Arnon
Adi Ofer
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.)
EMC Corp
Original Assignee
EMC Corp
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 EMC Corp filed Critical EMC Corp
Publication of DE60203773D1 publication Critical patent/DE60203773D1/de
Application granted granted Critical
Publication of DE60203773T2 publication Critical patent/DE60203773T2/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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • 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
    • G06F11/2069—Management of state, configuration or failover
    • 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
    • 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
    • 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
    • G06F2003/0697—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers device management, e.g. handlers, drivers, I/O schedulers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Human Computer Interaction (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE60203773T 2001-11-14 2002-11-07 Hierarchischer Ansatz zur Erkennung von veränderten Geräteeigenschaften Expired - Lifetime DE60203773T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US998494 1992-12-30
US33299101P 2001-11-14 2001-11-14
US332991P 2001-11-14
US09/998,494 US6701392B1 (en) 2001-11-14 2001-11-30 Hierarchical approach to indentifying changing device characteristics

Publications (2)

Publication Number Publication Date
DE60203773D1 true DE60203773D1 (de) 2005-05-25
DE60203773T2 DE60203773T2 (de) 2006-03-09

Family

ID=26988493

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60203773T Expired - Lifetime DE60203773T2 (de) 2001-11-14 2002-11-07 Hierarchischer Ansatz zur Erkennung von veränderten Geräteeigenschaften

Country Status (4)

Country Link
US (2) US6701392B1 (de)
EP (1) EP1313018B1 (de)
JP (4) JP2003223349A (de)
DE (1) DE60203773T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6862632B1 (en) * 2001-11-14 2005-03-01 Emc Corporation Dynamic RDF system for transferring initial data between source and destination volume wherein data maybe restored to either volume at same time other data is written
US6976139B2 (en) * 2001-11-14 2005-12-13 Emc Corporation Reversing a communication path between storage devices
JP2004013367A (ja) * 2002-06-05 2004-01-15 Hitachi Ltd データ記憶サブシステム
US20050015407A1 (en) * 2003-07-17 2005-01-20 International Business Machines Corporation System and method of relational configuration mirroring
JP2005157712A (ja) * 2003-11-26 2005-06-16 Hitachi Ltd リモートコピーネットワーク
JP4421385B2 (ja) 2004-06-09 2010-02-24 株式会社日立製作所 計算機システム
US20060168112A1 (en) * 2004-12-30 2006-07-27 Jie Weng Generic integration within an auto-id system
US7633876B2 (en) * 2005-08-22 2009-12-15 At&T Intellectual Property I, L.P. System and method for monitoring a switched metro ethernet network
WO2008090620A1 (ja) * 2007-01-25 2008-07-31 Fujitsu Limited 記憶装置、記録復旧方法、記録復旧プログラム
JP4866464B2 (ja) * 2007-07-26 2012-02-01 富士通株式会社 記憶部制御装置，記憶部制御システム，記憶部制御プログラム及び同プログラムを記録したコンピュータ読取可能な記録媒体
US8250326B2 (en) * 2008-08-29 2012-08-21 International Business Machines Corporation Data swapping in a storage system
CN110045924B (zh) * 2019-03-01 2022-02-11 平安科技（深圳）有限公司 分级存储方法、装置、电子设备及计算机可读存储介质
US11327744B2 (en) * 2019-05-29 2022-05-10 Red Hat, Inc. Equivalency of revisions on modern version control systems

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544347A (en) 1990-09-24 1996-08-06 Emc Corporation Data storage system controlled remote data mirroring with respectively maintained data indices
US5809525A (en) * 1993-09-17 1998-09-15 International Business Machines Corporation Multi-level computer cache system providing plural cache controllers associated with memory address ranges and having cache directories
US5799323A (en) * 1995-01-24 1998-08-25 Tandem Computers, Inc. Remote duplicate databased facility with triple contingency protection
US5680640A (en) 1995-09-01 1997-10-21 Emc Corporation System for migrating data by selecting a first or second transfer means based on the status of a data element map initialized to a predetermined state
US6052797A (en) 1996-05-28 2000-04-18 Emc Corporation Remotely mirrored data storage system with a count indicative of data consistency
US6044444A (en) 1996-05-28 2000-03-28 Emc Corporation Remote data mirroring having preselection of automatic recovery or intervention required when a disruption is detected
US5933653A (en) 1996-05-31 1999-08-03 Emc Corporation Method and apparatus for mirroring data in a remote data storage system
US6092066A (en) 1996-05-31 2000-07-18 Emc Corporation Method and apparatus for independent operation of a remote data facility
US6101497A (en) 1996-05-31 2000-08-08 Emc Corporation Method and apparatus for independent and simultaneous access to a common data set
US5926830A (en) * 1996-10-07 1999-07-20 International Business Machines Corporation Data processing system and method for maintaining coherency between high and low level caches using inclusive states
US5895493A (en) * 1997-06-30 1999-04-20 Lsi Logic Corporation Method and apparatus for storage of multiple host storage management information on a storage subsystem
US6341333B1 (en) * 1997-10-06 2002-01-22 Emc Corporation Method for transparent exchange of logical volumes in a disk array storage device
US6157991A (en) 1998-04-01 2000-12-05 Emc Corporation Method and apparatus for asynchronously updating a mirror of a source device
US6295575B1 (en) * 1998-06-29 2001-09-25 Emc Corporation Configuring vectors of logical storage units for data storage partitioning and sharing
US6209002B1 (en) 1999-02-17 2001-03-27 Emc Corporation Method and apparatus for cascading data through redundant data storage units

Also Published As

Publication number Publication date
DE60203773T2 (de) 2006-03-09
JP2006155662A (ja) 2006-06-15
JP2007334920A (ja) 2007-12-27
US6810447B2 (en) 2004-10-26
JP2003223349A (ja) 2003-08-08
EP1313018A1 (de) 2003-05-21
JP2007172643A (ja) 2007-07-05
JP4322260B2 (ja) 2009-08-26
US20040133706A1 (en) 2004-07-08
EP1313018B1 (de) 2005-04-20
US6701392B1 (en) 2004-03-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition