WO2005029356A3 - Method, system and program for data synchronization - Google Patents

Method, system and program for data synchronization Download PDF

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Publication number
WO2005029356A3
WO2005029356A3 PCT/EP2004/052231 EP2004052231W WO2005029356A3 WO 2005029356 A3 WO2005029356 A3 WO 2005029356A3 EP 2004052231 W EP2004052231 W EP 2004052231W WO 2005029356 A3 WO2005029356 A3 WO 2005029356A3
Authority
WO
WIPO (PCT)
Prior art keywords
program
data synchronization
data
source
identifiers
Prior art date
Application number
PCT/EP2004/052231
Other languages
French (fr)
Other versions
WO2005029356A2 (en
Inventor
John Jay Wolgang
Kenneth Wayne Boyd
Kenneth Fairclough Day
Philip Matthew Doatmas
Kirby Grant Dahman
Original Assignee
Ibm
Ibm France
John Jay Wolgang
Kenneth Wayne Boyd
Kenneth Fairclough Day
Philip Matthew Doatmas
Kirby Grant Dahman
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 Ibm, Ibm France, John Jay Wolgang, Kenneth Wayne Boyd, Kenneth Fairclough Day, Philip Matthew Doatmas, Kirby Grant Dahman filed Critical Ibm
Priority to EP04787167A priority Critical patent/EP1714215A2/en
Priority to JP2006527410A priority patent/JP2007507030A/en
Publication of WO2005029356A2 publication Critical patent/WO2005029356A2/en
Publication of WO2005029356A3 publication Critical patent/WO2005029356A3/en

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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99933—Query processing, i.e. searching
    • Y10S707/99936—Pattern matching access

Abstract

Disclosed is a technique for data synchronization. A first identifier is determined for a portion of data at a first source. A second identifier is determined for a portion of corresponding data at a second source. The first and second identifiers are compared. When the first and second identifiers do not match, the portion of corresponding data at the second source is replaced with the portion of data at the first source.
PCT/EP2004/052231 2003-09-25 2004-09-17 Method, system and program for data synchronization WO2005029356A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04787167A EP1714215A2 (en) 2003-09-25 2004-09-17 Method, system and program for data synchronization
JP2006527410A JP2007507030A (en) 2003-09-25 2004-09-17 Method, system and program for synchronizing data

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/671,295 US7143117B2 (en) 2003-09-25 2003-09-25 Method, system, and program for data synchronization by determining whether a first identifier for a portion of data at a first source and a second identifier for a portion of corresponding data at a second source match
US10/671,295 2003-09-25

Publications (2)

Publication Number Publication Date
WO2005029356A2 WO2005029356A2 (en) 2005-03-31
WO2005029356A3 true WO2005029356A3 (en) 2005-05-12

Family

ID=34376114

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/052231 WO2005029356A2 (en) 2003-09-25 2004-09-17 Method, system and program for data synchronization

Country Status (7)

Country Link
US (2) US7143117B2 (en)
EP (1) EP1714215A2 (en)
JP (1) JP2007507030A (en)
KR (1) KR100843652B1 (en)
CN (1) CN100428177C (en)
TW (1) TWI291111B (en)
WO (1) WO2005029356A2 (en)

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Also Published As

Publication number Publication date
EP1714215A2 (en) 2006-10-25
JP2007507030A (en) 2007-03-22
TWI291111B (en) 2007-12-11
CN1846197A (en) 2006-10-11
TW200525390A (en) 2005-08-01
KR20060070551A (en) 2006-06-23
US7647462B2 (en) 2010-01-12
KR100843652B1 (en) 2008-07-04
US20070130216A1 (en) 2007-06-07
US20050071386A1 (en) 2005-03-31
CN100428177C (en) 2008-10-22
US7143117B2 (en) 2006-11-28
WO2005029356A2 (en) 2005-03-31

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