Logical replication using Dbvisit Replicate is configured using a setup wizard. The setup wizard does not make any database changes, instead it creates a set of configuration scripts that can be inspected before executing to give full visibility of database changes.
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Please ensure the following prePre-requisites checks have been tested. Otherwise the replication will not function. |
Starting the dbvrep setup wizard
The following is a step-by-step guide of configuring a replication using the setup wizard. To accept the default answer for a question, just press the Return key.
1. Connect to On the source server server, as oracle.
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su - oracle |
2. In the home directory of oracle , in the $HOME directory, execute the dbvrep executable to start Dbvisit Replicate.
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dbvrep |
The output will be.:
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Initializing......done Dbvisit Replicate version 2.7 Copyright (C) Dbvisit Software Limited. All rights reserved. No DDC file loaded. Run "setup wizard" to start the configuration wizard or try "help" to see all commands available. dbvrep> |
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dbvrep> setup wizard
This wizard configures Dbvisit Replicate.
The setup wizard creates configuration scripts, which need to be run after the wizard ends. No changes to the databases are made before that.
The progress is saved every time a list of databases, replications, etc. is shown. It will be re-read if wizard is restarted and the same DDC name and script path is selected.
Run the wizard now? [yes] yes
Accept end-user license agreement? (view/yes/no) [view] yes |
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Enter the location of the directory where the Setup Wizard will place the configuration files. Accept the default value.
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(SETUP_SCRIPT_PATH) - Please enter a directory for location of configuration scripts on this machine: [/u01/app/oracle/dbvrep_XE]
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Enter the location where Dbvisit Replicate will find the Oracle network configuration files. Accept the default value.
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Network configuration files were detected on this system in these locations: [/u01/app/oracle/product/11.2.0/xe/network/admin] (TNS_ADMIN) - Please enter TNS configuration directory for this machine: [/u01/app/oracle/product/11.2.0/xe/network/admin] |
Step 1 - Describe databases
Describe the first database. This will be the source database and will be the Oracle database on the machine called source.
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The SYSDBA and DBA passwords (normally SYS and SYSTEM) are only used during the configuration and are not used or stored as part of a running replication. |
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Step 1 - Describe databases ======================================== The first step is to describe databases used in the replication. There are usually two of them (source and target). Store SYSDBA and DBA passwords? Passwords only required during setup and initialization? (yes/no) [yes] |
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Let's configure the database, describing it's type, connectivity, user names etc. What type of database is this? (Oracle/MySQL/SQL Server/Oracle AWS RDS/CSV/Hadoop): [Oracle] |
6. The TNS alias is sourcefor the source database is ttorcl_src
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Please enter database TNS alias: [] sourcettorcl_src |
Enter the username and password of a user with SYSDBA. Accept the default of SYS and change_on_install.
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7. Specify the defaults to create the Dbvisit Replicate schema Schema in the source database. Accept the default username of dbvrep and the default password of dbvpasswd.
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Connecting to database sourcettorcl_src as SYSTEM to query list of tablespaces and to detect ASM (by looking whether any redo logs or archived logs are stored in ASM). Enter the Dbvisit Replicate owner (this user will be created by this script): [dbvrep] Please enter password for this user: [dbvpasswd] |
Specify the USERS tablespace as the default tablespace for the Dbvisit Replicate Schema (dbvrep) user.
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Permanent tablespaces detected on the database: REPOE_DATA, USERS. Please enter default permanent tablespace for this user: [REPOE_DATA] USERS |
Specify the TEMP tablespace as the temporary tablespace for the Dbvisit Replicate Schema (dbvrep) user.
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Temporary tablespaces detected on the database: TEMP. Please enter default temporary tablespace for this user: [TEMP] |
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Following databases are now configured: 1: Oracle sourcettorcl_src, SYS/***, SYSTEM/***, dbvrep/***, USERS/TEMP, dbvrep/, ASM:NO, TZ: +00:00 |
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Let's configure the database, describing it's type, connectivity, user names etc. What type of database is this? (Oracle/MySQL/SQL Server/Oracle AWS RDS/CSV/Hadoop): [Oracle] |
9. The TNS alias is target ttorcl_trg.
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Please enter database TNS alias: [] targetttorcl_trg |
Enter the username and password of a user with SYSDBA. Accept the default of SYS and change_on_install.
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Specify the defaults to create the Dbvisit Replicate schema Schema in the target database. Accept the default username of dbvrep and the default password of dbvpasswd.
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Connecting to database targetttorcl_trg as SYSTEM to query list of tablespaces and to detect ASM (by looking whether any redo logs or archived logs are stored in ASM). Enter the Dbvisit Replicate owner (this user will be created by this script): [dbvrep] Please enter password for this user: [dbvpasswd] |
Specify the USERS tablespace as the default tablespace for the Dbvisit Replicate Schema (dbvrep) user.
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Permanent tablespaces detected on the database: REPOE_DATA, USERS. Please enter default permanent tablespace for this user: [REPOE_DATA] USERS |
Specify the TEMP tablespace as the temporary tablespace for the Dbvisit Replicate Schema (dbvrep) user.
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Temporary tablespaces detected on the database: TEMP. Please enter default temporary tablespace for this user: [TEMP] |
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Following databases are now configured: 1: Oracle sourcettorcl_src, SYS/***, SYSTEM/***, dbvrep/***, USERS/TEMP, dbvrep/, ASM:NO, TZ: +00:00 2: Oracle targetttorcl_trg, SYS/***, SYSTEM/***, dbvrep/***, USERS/TEMP, dbvrep/, ASM:NO, TZ: +00:00 Enter the number of the database to modify it, or "add", or "done": [done] |
Step 2 - Replication Pairs
12. Set source and targets for each replication pair. Select 1 as the source database (default) and 2 as the target database.
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Step 2 - Replication pairs ======================================== The second step is to set source and targets for each replication pair. Let's configure the replication pair, selecting source and target. Following databases are described: 1: sourcettorcl_src (Oracle) 2: targetttorcl_trg (Oracle) Select source database: [1] Select target database: [2] |
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Following replication pairs are now configured: 1: ttorcl_src (Oracle) ==> ttorcl_trg (Oracle), DDL: yes, fetcher: no, process suffix: (no suffix), compression: no, encryption: no, network timeout: 60, prepare type: single-scn, data load: dp_networklink Enter number of replication pair to modify it, or "add", or "done": [done] |
Step 3 - Replicated Tables
17 Add the schemas or tables to be replicated.
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Step 3 - Replicated tables ======================================== The third step is to choose the schemas and tables to be replicated. If the databases are reachable, the tables are checked for existence, datatype support, etc., schemas are queried for tables. Note that all messages are merely hints/warnings and may be ignored if issues are rectified before the scripts are actually executed. Following tables are defined for replication pairs: 1: sourcettorcl_src (Oracle) ==> targetttorcl_trg (Oracle), DDL: yes, suffix: (no suffix), prepare: single-scn No tables defined. Enter number of replication pair to modify it, or "done": [1] |
18. Add Specify the REPOE schema is to be replicated.
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Please enter list of all individual tables to be replicated. Enter schema name(s) only to replicate all tables in that schema. Use comma or space to delimit the entries. Enter the tables and schemas: [] repoe Selected schemas: REPOE |
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Following tables are defined for replication pairs: 1: sourcettorcl_src (Oracle) ==> targetttorcl_trg (Oracle), DDL: yes, suffix: (no suffix), prepare: single-scn REPOE(tables) Enter number of replication pair to modify it, or "done": [done] |
Step 4 - Process Configuration
23. Specify information about the processes and where they are going to run. Press Return to accept the default values.
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Step 4 - Process configuration ======================================== The fourth step is to configure the replication processes for each replication. Following processes are defined: 1: MINE on sourcettorcl_src Not configured. 2: APPLY on targetttorcl_trg Not configured. Enter number of process to modify it, or "done": [1] |
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Following processes are defined: 1: MINE on sourcettorlc_src Host: source, SMTP: no, SNMP: no 2: APPLY on targetttorcl_trg Not configured. Enter number of process to modify it, or "done": [2] |
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Following processes are defined: 1: MINE on sourcettorcl_src Host: source, SMTP: no, SNMP: no 2: APPLY on targetttorcl_trg Host: target, SMTP: no, SNMP: no Enter number of process to modify it, or "done": [done] |
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Created file /u01/app/oracle/dbvrep_XE/dbvrep_XE-APPLY.ddc. Created file /u01/app/oracle/dbvrep_XE/dbvrep_XE-MINE.ddc. Created file /u01/app/oracle/dbvrep_XE/config/dbvrep_XE-setup.dbvrep. Created file /u01/app/oracle/dbvrep_XE/config/dbvrep_XE-dbsetup_sourcettorcl_src.sql. Created file /u01/app/oracle/dbvrep_XE/config/dbvrep_XE-dbsetup_targetttorcl_trg.sql. Created file /u01/app/oracle/dbvrep_XE/config/dbvrep_XE-grants_ttorcl_sourcesrc.sql. Created file /u01/app/oracle/dbvrep_XE/config/dbvrep_XE-grants_ttorcl_targettrg.sql. Created file /u01/app/oracle/dbvrep_XE/config/dbvrep_XE-onetime.ddc. Created file /u01/app/oracle/dbvrep_XE/start-console.sh. Created file /u01/app/oracle/dbvrep_XE/dbvrep_XE-run-source.sh. Created file /u01/app/oracle/dbvrep_XE/dbvrep_XE-run-target.sh. Created file /u01/app/oracle/dbvrep_XE/Nextsteps.txt. Created file /u01/app/oracle/dbvrep_XE/dbvrep_XE-all.sh. ================================================================================================================================== Dbvisit Replicate wizard completed Script /u01/app/oracle/dbvrep_XE/dbvrep_XE-all.sh created. This runs all the above created scripts. Please exit out of dbvrep, review and run script as current user to setup and start Dbvisit Replicate. |
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28. Do not run the script, but exit out of the wizard.
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Run this script now? (yes/no) [NO] dbvrep> exit |
You have now completed the Setup Wizard to configure a simple one-way replication. The Wizard has created the configuration files above but has not changed anything in the source or target databases.
The next step will be to execute the scripts created by the Setup Wizard to initialize the replication.