DE69614009D1 - Ferndatenbankverdopplungsvorrichtung mit Unterstützung zur Datenbankvervielfältigung für Online-DDL-Operationen - Google Patents

Ferndatenbankverdopplungsvorrichtung mit Unterstützung zur Datenbankvervielfältigung für Online-DDL-Operationen

Info

Publication number
DE69614009D1
DE69614009D1 DE69614009T DE69614009T DE69614009D1 DE 69614009 D1 DE69614009 D1 DE 69614009D1 DE 69614009 T DE69614009 T DE 69614009T DE 69614009 T DE69614009 T DE 69614009T DE 69614009 D1 DE69614009 D1 DE 69614009D1
Authority
DE
Germany
Prior art keywords
database
duplicator
ddl operations
replication support
online ddl
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
DE69614009T
Other languages
English (en)
Other versions
DE69614009T2 (de
Inventor
Richard W Carr
Brian Garrard
Mosher, Jr
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.)
Compaq Computer Corp
Original Assignee
Compaq Computer 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 US08/377,881 external-priority patent/US5745753A/en
Application filed by Compaq Computer Corp filed Critical Compaq Computer Corp
Publication of DE69614009D1 publication Critical patent/DE69614009D1/de
Application granted granted Critical
Publication of DE69614009T2 publication Critical patent/DE69614009T2/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
    • G06F11/20—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
    • 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
    • G06F11/1458—Management of the backup or restore process
    • G06F11/1466—Management of the backup or restore process to make the backup process non-disruptive
    • 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
    • G06F11/2066—Optimisation of the communication load
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Databases & Information Systems (AREA)
  • Computing Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Retry When Errors Occur (AREA)
DE69614009T 1995-01-24 1996-01-23 Ferndatenbankverdopplungsvorrichtung mit Unterstützung zur Datenbankvervielfältigung für Online-DDL-Operationen Expired - Lifetime DE69614009T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37715295A 1995-01-24 1995-01-24
US08/377,881 US5745753A (en) 1995-01-24 1995-01-24 Remote duplicate database facility with database replication support for online DDL operations

Publications (2)

Publication Number Publication Date
DE69614009D1 true DE69614009D1 (de) 2001-08-30
DE69614009T2 DE69614009T2 (de) 2001-11-15

Family

ID=27007694

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614009T Expired - Lifetime DE69614009T2 (de) 1995-01-24 1996-01-23 Ferndatenbankverdopplungsvorrichtung mit Unterstützung zur Datenbankvervielfältigung für Online-DDL-Operationen

Country Status (3)

Country Link
EP (1) EP0724223B1 (de)
CA (1) CA2167902A1 (de)
DE (1) DE69614009T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5794241A (en) * 1996-04-08 1998-08-11 Oracle Corporation Method and apparatus for dynamically disabling and enabling table locking for a database
US5758355A (en) * 1996-08-07 1998-05-26 Aurum Software, Inc. Synchronization of server database with client database using distribution tables
FI111195B (fi) * 1997-02-24 2003-06-13 Solid Information Technology O Älykäs transaktio
SE514259C2 (sv) * 1997-06-09 2001-01-29 Telia Ab Förbättringar av, eller med avseende på, kommunikationssystem
JP2000305856A (ja) * 1999-04-26 2000-11-02 Hitachi Ltd ディスクサブシステム及びこれらの統合システム
US6408310B1 (en) * 1999-10-08 2002-06-18 Unisys Corporation System and method for expediting transfer of sectioned audit files from a primary host to a secondary host
AU2007231648B2 (en) * 2000-10-09 2010-09-09 Maximum Availability Limited Method and apparatus for data processing
CN1292370C (zh) 2000-10-09 2006-12-27 最佳收益有限公司 从源系统复制信息到目标系统的方法
US20040201689A1 (en) * 2002-03-21 2004-10-14 Angelica Quintana Method and system for recording a history of an image file history
US20030208511A1 (en) * 2002-05-02 2003-11-06 Earl Leroy D. Database replication system
US7793148B2 (en) 2007-01-12 2010-09-07 International Business Machines Corporation Using virtual copies in a failover and failback environment
US11074224B2 (en) 2015-05-11 2021-07-27 Apple Inc. Partitioned data replication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4875159A (en) * 1987-12-22 1989-10-17 Amdahl Corporation Version management system using plural control fields for synchronizing two versions of files in a multiprocessor system
GB2273182A (en) * 1992-12-04 1994-06-08 Ibm Currency period of replicated data objects.

Also Published As

Publication number Publication date
DE69614009T2 (de) 2001-11-15
EP0724223B1 (de) 2001-07-25
EP0724223A1 (de) 1996-07-31
CA2167902A1 (en) 1996-07-25

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Legal Events

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8364 No opposition during term of opposition