Check the following pre-requisites before starting Dbvisit Replicate. If these are not correct, then the replication will NOT function.
1. The database orcl on both the source and target server should be started and available. To check if database orcl is running, check the pmon process (on both source and target)
...
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[oracle@target ~]$ tnsping ttorcl_trg
TNS Ping Utility for Linux: Version 11.2.0.2.0 - Production on 11-JAN-2014 13:46:37
Copyright (c) 1997, 2010, Oracle. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = target-int)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = orcl)))
OK (0 msec) |
6. On the source server, check the database connection to the source database
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[oracle@source ~]$ sqlplus system/oracle@ttorcl_src
SQL*Plus: Release 11.2.0.2.0 Production on Sat Jan 11 16:09:09 2014
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options |
7. On the source server, check the database connection to the target database
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[oracle@source ~]$ sqlplus system/oracle@ttorcl_trg
SQL*Plus: Release 11.2.0.2.0 Production on Sat Jan 11 16:09:09 2014
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options |
8. On the target server, check the database connection to the source database
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[oracle@target ~]$ sqlplus system/oracle@ttorcl_src
SQL*Plus: Release 11.2.0.2.0 Production on Sat Jan 11 16:09:09 2014
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options |
9. On the target server, check the database connection to the target database
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[oracle@target ~]$ sqlplus system/oracle@ttorcl_trg SQL*Plus: Release 11.2.0.2.0 Production on Sat Jan 11 16:09:09 2014 Copyright (c) 1982, 2010, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> exit Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing options |
If any of the pre-requisites fail, then verify if all the previous steps have been done correctly before continuing.