GB2436746B - Virtual ordered writes for multiple storage devices - Google Patents

Virtual ordered writes for multiple storage devices

Info

Publication number
GB2436746B
GB2436746B GB0707625A GB0707625A GB2436746B GB 2436746 B GB2436746 B GB 2436746B GB 0707625 A GB0707625 A GB 0707625A GB 0707625 A GB0707625 A GB 0707625A GB 2436746 B GB2436746 B GB 2436746B
Authority
GB
United Kingdom
Prior art keywords
storage devices
multiple storage
ordered writes
virtual ordered
virtual
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.)
Active
Application number
GB0707625A
Other versions
GB2436746A (en
GB0707625D0 (en
Inventor
Mark J Halstead
David Meiri
Benjamin W Yoder
Douglas E Lecrone
Kevin C Heasley
Vadim Longinov
William P Thibodeau
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
Priority claimed from US10/724,669 external-priority patent/US7054883B2/en
Priority claimed from US10/724,670 external-priority patent/US7228456B2/en
Application filed by EMC Corp filed Critical EMC Corp
Priority to GB0707625A priority Critical patent/GB2436746B/en
Priority claimed from GB0609391A external-priority patent/GB2423173B/en
Publication of GB0707625D0 publication Critical patent/GB0707625D0/en
Publication of GB2436746A publication Critical patent/GB2436746A/en
Application granted granted Critical
Publication of GB2436746B publication Critical patent/GB2436746B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F11/20—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
    • G06F11/2082—Data synchronisation
    • 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
    • G06F11/2064—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 while ensuring consistency
    • 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
    • G06F11/2071—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 using a plurality of controllers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/82—Solving problems relating to consistency

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
GB0707625A 2003-12-01 2004-10-19 Virtual ordered writes for multiple storage devices Active GB2436746B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0707625A GB2436746B (en) 2003-12-01 2004-10-19 Virtual ordered writes for multiple storage devices

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/724,669 US7054883B2 (en) 2003-12-01 2003-12-01 Virtual ordered writes for multiple storage devices
US10/724,670 US7228456B2 (en) 2003-12-01 2003-12-01 Data recovery for virtual ordered writes for multiple storage devices
GB0707625A GB2436746B (en) 2003-12-01 2004-10-19 Virtual ordered writes for multiple storage devices
GB0609391A GB2423173B (en) 2003-12-01 2004-10-19 Virtual ordered writes for multiple storages devices

Publications (3)

Publication Number Publication Date
GB0707625D0 GB0707625D0 (en) 2007-05-30
GB2436746A GB2436746A (en) 2007-10-03
GB2436746B true GB2436746B (en) 2008-02-27

Family

ID=38512547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0707625A Active GB2436746B (en) 2003-12-01 2004-10-19 Virtual ordered writes for multiple storage devices

Country Status (1)

Country Link
GB (1) GB2436746B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469453A (en) * 1990-03-02 1995-11-21 Mti Technology Corporation Data corrections applicable to redundant arrays of independent disks
US6209002B1 (en) * 1999-02-17 2001-03-27 Emc Corporation Method and apparatus for cascading data through redundant data storage units
US6301643B1 (en) * 1998-09-03 2001-10-09 International Business Machines Corporation Multi-environment data consistency
US20020023199A1 (en) * 1999-02-26 2002-02-21 Voom Technologies, Inc. Computer storage restoration
US6502205B1 (en) * 1993-04-23 2002-12-31 Emc Corporation Asynchronous remote data mirroring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469453A (en) * 1990-03-02 1995-11-21 Mti Technology Corporation Data corrections applicable to redundant arrays of independent disks
US6502205B1 (en) * 1993-04-23 2002-12-31 Emc Corporation Asynchronous remote data mirroring system
US6301643B1 (en) * 1998-09-03 2001-10-09 International Business Machines Corporation Multi-environment data consistency
US6209002B1 (en) * 1999-02-17 2001-03-27 Emc Corporation Method and apparatus for cascading data through redundant data storage units
US20020023199A1 (en) * 1999-02-26 2002-02-21 Voom Technologies, Inc. Computer storage restoration

Also Published As

Publication number Publication date
GB2436746A (en) 2007-10-03
GB0707625D0 (en) 2007-05-30

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