DE69614009T2 - Ferndatenbankverdopplungsvorrichtung mit Unterstützung zur Datenbankvervielfältigung für Online-DDL-Operationen - Google Patents
Ferndatenbankverdopplungsvorrichtung mit Unterstützung zur Datenbankvervielfältigung für Online-DDL-OperationenInfo
- Publication number
- DE69614009T2 DE69614009T2 DE69614009T DE69614009T DE69614009T2 DE 69614009 T2 DE69614009 T2 DE 69614009T2 DE 69614009 T DE69614009 T DE 69614009T DE 69614009 T DE69614009 T DE 69614009T DE 69614009 T2 DE69614009 T2 DE 69614009T2
- 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
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)
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 DE69614009D1 (de) | 2001-08-30 |
DE69614009T2 true 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)
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)
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. |
-
1996
- 1996-01-23 CA CA002167902A patent/CA2167902A1/en not_active Abandoned
- 1996-01-23 DE DE69614009T patent/DE69614009T2/de not_active Expired - Lifetime
- 1996-01-23 EP EP96300437A patent/EP0724223B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69614009D1 (de) | 2001-08-30 |
EP0724223B1 (de) | 2001-07-25 |
EP0724223A1 (de) | 1996-07-31 |
CA2167902A1 (en) | 1996-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |