GB0517063D0 - Virtual ordered writes - Google Patents

Virtual ordered writes

Info

Publication number
GB0517063D0
GB0517063D0 GBGB0517063.4A GB0517063A GB0517063D0 GB 0517063 D0 GB0517063 D0 GB 0517063D0 GB 0517063 A GB0517063 A GB 0517063A GB 0517063 D0 GB0517063 D0 GB 0517063D0
Authority
GB
United Kingdom
Prior art keywords
ordered writes
virtual ordered
virtual
writes
ordered
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.)
Granted
Application number
GBGB0517063.4A
Other versions
GB2413670A (en
GB2413670B (en
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 US10/396,786 external-priority patent/US6898685B2/en
Priority claimed from US10/607,041 external-priority patent/US7051176B2/en
Priority claimed from US10/606,699 external-priority patent/US7380082B2/en
Application filed by EMC Corp filed Critical EMC Corp
Publication of GB0517063D0 publication Critical patent/GB0517063D0/en
Publication of GB2413670A publication Critical patent/GB2413670A/en
Application granted granted Critical
Publication of GB2413670B publication Critical patent/GB2413670B/en
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
    • 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
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
    • G06F3/0659—Command handling arrangements, e.g. command buffers, queues, command scheduling
    • 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
    • G06F11/2074—Asynchronous techniques
    • 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
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/061—Improving I/O performance
    • 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
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0614—Improving the reliability of 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
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0629—Configuration or reconfiguration of storage systems
    • G06F3/0635—Configuration or reconfiguration of storage systems by changing the path, e.g. traffic rerouting, path reconfiguration
    • 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
    • G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
GB0517063A 2003-03-25 2004-02-06 Virtual ordered writes Expired - Lifetime GB2413670B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/396,786 US6898685B2 (en) 2003-03-25 2003-03-25 Ordering data writes from a local storage device to a remote storage device
US10/607,041 US7051176B2 (en) 2003-03-25 2003-06-26 Reading data provided to a remote storage device
US10/606,699 US7380082B2 (en) 2003-03-25 2003-06-26 Reading virtual ordered writes at local storage device
PCT/US2004/003498 WO2004095289A1 (en) 2003-03-25 2004-02-06 Virtual ordered writes

Publications (3)

Publication Number Publication Date
GB0517063D0 true GB0517063D0 (en) 2005-09-28
GB2413670A GB2413670A (en) 2005-11-02
GB2413670B GB2413670B (en) 2006-05-03

Family

ID=33314178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0517063A Expired - Lifetime GB2413670B (en) 2003-03-25 2004-02-06 Virtual ordered writes

Country Status (4)

Country Link
JP (1) JP2006523890A (en)
DE (1) DE112004000486T5 (en)
GB (1) GB2413670B (en)
WO (1) WO2004095289A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7114033B2 (en) * 2003-03-25 2006-09-26 Emc Corporation Handling data writes copied from a remote data storage device
GB0616257D0 (en) 2006-08-16 2006-09-27 Ibm Storage management system for preserving consistency of remote copy data
JP4774085B2 (en) 2008-07-31 2011-09-14 富士通株式会社 Storage system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206939A (en) * 1990-09-24 1993-04-27 Emc Corporation System and method for disk mapping and data retrieval
US5857208A (en) * 1996-05-31 1999-01-05 Emc Corporation Method and apparatus for performing point in time backup operation in a computer system

Also Published As

Publication number Publication date
GB2413670A (en) 2005-11-02
JP2006523890A (en) 2006-10-19
GB2413670B (en) 2006-05-03
WO2004095289A1 (en) 2004-11-04
DE112004000486T5 (en) 2006-01-26

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20240205