Schema replication using oracle golden gate 12c
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This document provides instructions for configuring asynchronous schema replication between an Oracle source database and target database using Oracle GoldenGate 12c. It outlines the necessary steps which include: 1. Enabling supplemental logging and archivelog mode on both databases. 2. Installing the GoldenGate software and starting the Manager processes on both systems. 3. Configuring the Extract, Data Pump, and Replicate processes to replicate the BASAK schema and tables from the source PDBORCL to the target PRIPDB database. 4. Starting the Extract, Data Pump, and Replicate jobs to begin the replication process and ensure the BASAK schema and tables are synchronized between the source and target databases.
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Schema replication using oracle golden gate 12c
- 1. Schema Replication using Oracle Golden gate 12c (Installation & Configuration) Index: 1. Introduction 2. System Configuration Description 3. Architecture 4. Parameter Change: 4a. Enable Supplemental log both source and target. 4b.Acrhivelog enable and enable_goldengate_replication 4c. Schema and Tablespace creation 5. Golden gate software install in both source and target system 6. Start Manager in both source and target system 7. Register the Integrated Extract 8. Add the Extract and Data Pump job and edit parameter in Source System 9. Add Replicate job and edit parameter in Target System 10. Start The All Five Job and enjoy the beauty of Golden Gate
- 2. Golden Gate is touted by Oracle as its future for data replication. It will slowly phase out Oracle Streams and will be more closely coupled with Oracle products. Golden Gate is relatively simpler to use and monitor than Oracle streams. In 12c Oracle stream is totally obsolete. Below I will demonstrate how to configure ASYNC Schema Replication using oracle Golden Gate 12C in two different Operating system where source in Window machine and target is Solaris 10. SID of Source: PDBORCL SID of Target: PRIPDB Source Server name: 172.25.200.1 Target Server name: 172.25.200.10 Source Schema name: BASAK Target Schema name: BASAK Tables: All tables Os Version Source: Window 10 Os Version Target: Sun Solaris 10 X-86 Architecture JOB is running in Both Source and Target System Source System (Name) Target System (Name) Manager Manager Extractor EXT1 Replicate rpe1 Dump EXTDP1 Here is Visible Architecture of Golden Gate
- 3. If above five process is running and configuring correctly then you can see the beauty the Golden gate Parameter Change 1. Enable Supplemental log data in both Source and target database 2. Enable Archivelog in both Source and Target database alter database add supplemental log data; Few Things of Supplemental Log Database-level supplemental logging must be enabled for any Change Data Capture source database. Supplemental logging places additional column data into the redo log file whenever an UPDATE operation is performed. At the least, minimal database-level supplemental logging must be enabled for any Change Data Capture source database. Basically Redo log takes information of any change data 2 . Create the tablespace for both databases (source + target) like: Create tablespace ggate datafile '/export/home/oracle/app/oracle/oradata/ggate01.dbf ' size 1000M AUTOEXTEND ON NEXT 500K;
- 4. 3. GoldenGate schema creation into source and target database Create OGG Extract User The Extract user for a Multitenant environment must be a common user and must log into the root container. In the following example, the extract userid is c##gadmin using the password ggadmin. The following commands are executed in CDB$ROOT. $(unixserver1) sqlplus / as sysdba SQL> create user C##GADMIN identified by ggadmin; User created. SQL> exec dbms_goldengate_auth.grant_admin_privilege('C##GADMIN',container=>'ALL'); PL/SQL procedure successfully completed. SQL> grant dba to c##gadmin container=all; Grant succeeded. 4. Enable this parameter enable_goldengate_replication in both source and target system Solution: SQL> ALTER SYSTEM set enable_goldengate_replication=true scope=both; Install Golden Gate Software in Both Source and Target Database Install Golden Gate Software (In both Source and Target System) Step 1: unzip the Golden gate software
- 6. Software location must be where the golden gate software in unzip stage and mention the Manager Port here it is 7809 in target System in Source using 7777
- 8. Start the Manager: Extract process must be set by using root database in 12c you have to create common user in any other process add you have to login root user Note: here we are connecting to the pluggable database GGSCI (DESKTOP-4C3J6DO as C##GADMIN@cdborcl/CDB$ROOT) 19> dblogin userid C##GADMIN@CDBORCL password ggadmin; Successfully logged into database CDB$ROOT. GGSCI (orasql-001-dev.mydomain) 2> ADD SCHEMATRANDATA basak ALLCOLS
- 9. 2016-08-01 02:26:26 INFO OGG-01788 SCHEMATRANDATA has been added on schema basak. 2016-08-01 02:26:30 INFO OGG-01976 SCHEMATRANDATA for scheduling columns has been added on schema basak. 2016-08-01 02:26:30 INFO OGG-01977 SCHEMATRANDATA for all columns has been added on schema basak. Register the Integrated Extract Note: here we are connecting to the root container database. GGSCI (DESKTOP-4C3J6DO as C##GADMIN@cdborcl/CDB$ROOT) 21> REGISTER EXTRACT ext1 DATABASE CONTAINER (PDBORCL) 2016-08-01 02:53:28 INFO OGG-02003 Extract EXT1 successfully registered with database at SCN 3795382. Add the Extract and Data Pump process groups GGSCI (DESKTOP-4C3J6DO as C##GADMIN@cdborcl/CDB$ROOT) 22> ADD EXTRACT ext1 INTEGRATED TRANLOG, BEGIN NOW EXTRACT (Integrated) added. GGSCI (DESKTOP-4C3J6DO as C##GADMIN@cdborcl/CDB$ROOT) 23> ADD EXTTRAIL ./dirdat/lt EXTRACT ext1 EXTTRAIL added. GGSCI (DESKTOP-4C3J6DO as C##GADMIN@cdborcl/CDB$ROOT) 24> ADD EXTRACT extdp1 EXTTRAILSOURCE ./dirdat/lt BEGIN NOW EXTRACT added. GGSCI (DESKTOP-4C3J6DO as C##GADMIN@cdborcl/CDB$ROOT) 25> ADD RMTTRAIL ./dirdat/rt EXTRACT extdp1 RMTTRAIL added. EXTRACT and DUMP JOB PARAMETER GGSCI (orasql-001-dev.mydomain) 12> edit params ext1 EXTRACT ext1 SETENV (ORACLE_SID='pdborcl') USERID C##GADMIN@CDBORCL, PASSWORD ggadmin LOGALLSUPCOLS UPDATERECORDFORMAT COMPACT EXTTRAIL ./dirdat/lt SOURCECATALOG pdborcl TABLE basak.*;
- 10. GGSCI (orasql-001-dev.mydomain) 12> edit params extdp1 EXTRACT extdp1 SETENV (ORACLE_SID='pdborcl') USERID C##GADMIN@CDBORCL, PASSWORD ggadmin RMTHOST 172.25.200.10, MGRPORT 7809 RMTTRAIL ./dirdat/rt SOURCECATALOG pdborcl TABLE basak.*; Add the Replicate process group connected to the target PDB PRIPDB Note – we are using something new in 12c OGG called Integrated Replicate – we will discuss more about Integrated Replicates in another post. GGSCI (SolarisM1) 3> DBLOGIN USERID C##gadmin@PRIPDB, PASSWORD ggadmin Successfully logged into database PRIPDB. GGSCI (SolarisM1 as C##gadmin@PriDB/PRIPDB) 4> ADD REPLICAT rep1 INTEGRATED EXTTRAIL ./dirdat/rt REPLICAT (Integrated) added. GGSCI (orasql-001-test.mydomain) 5> edit params rep1 REPLICAT rep1 SETENV (ORACLE_SID='pripdb') DBOPTIONS INTEGRATEDPARAMS(parallelism 6) USERID C##GADMIN@pripdb, PASSWORD ggadmin ASSUMETARGETDEFS MAP pdborcl.basak.*, TARGET pripdb.basak.* Start All JOB In Source System: In target System
- 11. Now enjoy the Beauty Of Golden Gate