描述:
原来在两个数据库服务器直接配置了Streams的单向传输,
原来的源数据库为两台集群64位HP-UNIX的Oracle11gR2数据库,
原来的目标数据库为1台64位Linux的Oracle11gR2的数据库,
现在上面的基础上,把1台64位Linux的Oracle11gR2的当作源数据库,把两台集群64位HP-UNIX的Oracle11gR2数据库当作目标数据库,
安装Streams的单向传输步骤进行配置,这样就变成了两个数据库服务器之间的Steams的双向传输。10.2.2.1:为源数据库 10.1.1.1及10.1.1.2 集群数据库为目标数据库1、源数据库归档模式
源:
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 420
Next log sequence to archive 422
Current log sequence 422
2、在源数据库启用追加日志
启用辅助日志
SQL> alter database add supplemental log data;Database altered.3、需要传输testUser 用户的数据,在源数据库创建source队列> sqlplus strmadmin/strmadminSQL> BEGIN DBMS_STREAMS_ADM.SET_UP_QUEUE(
2 queue_table=>"SOURCE_QUEUE_TABLE",
3 queue_name=>"SOURCE_QUEUE",
4 queue_user=>"strmadmin");
5 END;
6 /PL/SQL procedure successfully completed.或者:SQL> EXEC DBMS_STREAMS_ADM.SET_UP_QUEUE();PL/SQL procedure successfully completed.
该命令会创建一个队列缺省名:streams_queue,队列表缺省是:STREAMS_QUEUE_TABLE队列存储的object类型是anaydata移除队列:
exec dbms_streams_adm.remove_queue(
queue_name => "streams_queue",
cascade => true,
drop_unused_queue_table => true);可以用查询dba_queues,dba_queue_tables来检查:SQL> select owner,queue_table,name from dba_queues where wner="STRMADMIN";OWNER QUEUE_TABLE NAME----------------- ------------------------- ------------------STRMADMIN SOURCES_QUEUE_TABLE SOURCES_QUEUESTRMADMIN SOURCES_QUEUE_TABLE AQ$_SOURCES_QUEUE_TABLE_E SQL>select owner,queue_table,object_type from dba_queue_tables where wner="STRMADMIN";OWNER QUEUE_TABLE OBJECT_TYPE-------------- --------------------- ------------------STRMADMIN SOURCES_QUEUE_TABLE SYS.ANYDATA4、在目标数据库创建接收队列
$ sqlplus strmadmin/strmadmin SQL> BEGIN DBMS_STREAMS_ADM.SET_UP_QUEUE(
2 queue_table=>"TARGET_QUEUE_TABLE",
3 queue_name=>"TARGET_QUEUE",
4 queue_user=>"strmadmin");
5 END;
6 /PL/SQL procedure successfully completed.
5、在源数据库创建capture进程
CBDBS01-> sqlplusstrmadmin/strmadmin@CBOMSSQL> BEGIN DBMS_STREAMS_ADM.ADD_SCHEMA_RULES(
2 schema_name=>"testUser",
3 streams_type=>"capture",
4 streams_name=>"capture_stream",
5 queue_name=>"strmadmin.SOURCE_QUEUE",
6 include_dml=>true,
7 include_ddl=>true,
8 SOURCE_DATABASE=>"bhoms",
9 include_tagged_lcr=>false,
10 inclusion_rule=>true);
11 END;
12 /PL/SQL procedure successfully completed.可以通过dba_capture查看:SQL> select CAPTURE_NAME,QUEUE_NAME,START_SCN,STATUS,CAPTURE_TYPE from dba_capture;SQL> select * from ALL_CAPTURE_PREPARED_SCHEMAS;6、在源数据库继续创建传播进程
CBDBS01-> sqlplus strmadmin/strmadminSQL> BEGIN DBMS_STREAMS_ADM.ADD_SCHEMA_PROPAGATION_RULES(
2 schema_name=>"testUser",
3 streams_name=>"source_to_target",
4 source_queue_name=>"strmadmin.SOURCE_QUEUE",
5 destination_queue_name=>"strmadmin.TARGET_QUEUE@CBOMS",
6 include_dml=>true,
7 include_ddl=>true,
8 source_database=>"bhoms",
9 inclusion_rule=>true,
10 queue_to_queue=>true);
11 END;
12 /PL/SQL procedure successfully completed.重新启动propagation process
查看propagation process名称
select * from all_propagation;可以通过dba_propagations查看propagation是否启动SQL> select PROPAGATION_NAME,SOURCE_QUEUE_NAME,DESTINATION_QUEUE_NAME,DESTINATION_DBLINK,STATUS from dba_propagation
如果status不是“ENABLED”,而是“DISABLED”可以启动
SQL>exec dbms_propagation_adm.start_propagation("source_to_target"); (关闭为exec dbms_propagation_adm.stop_propagation("source_to_target");)
7、在目标数据库创建apply进程
$ sqlplus strmadmin/strmadminSQL> BEGIN
2 DBMS_STREAMS_ADM.ADD_SCHEMA_RULES(
3 schema_name=>"testUser",
4 streams_type=>"apply",
5 streams_name=>"target_apply_stream",
6 queue_name=>"strmadmin.TARGET_QUEUE",
7 include_dml=>true,
8 include_ddl=>true,
9 include_tagged_lcr=>false,
10 source_database=>"bhoms",
11 inclusion_rule=>true);
12 END;
13 /PL/SQL procedure successfully completed.可以通过:dba_applyv$streams_apply_readerv$streams_apply_coordinatorv$streams_apply_server
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