把Oracle单表流复制搞定,由于oracle stream 操作步骤多,之前遇到许多问题,没有理清思路或者说自己对此的理解不够,所以失败。对于重要表,流复制类似dataguard应用日志,主服务器捕获,然后传递,从服务器接受,如此而以。简单记录一下主要步骤。1 主服务器 os: windows sid:rman 数据库版本10.2.0.1 从服务器 os: windows sid format 数据库版本10.2.0.12 主、从数据库分别执行如下的语句:
Sqlplus ‘/ as sysdba’
alter system set aq_tm_processes=2 scope=both;
alter system set global_names=true scope=both;
alter system set job_queue_processes=10 scope=both;
alter system set parallel_max_servers=20 scope=both;
alter system set undo_retention=3600 scope=both;
alter system set nls_date_format="YYYY-MM-DD HH24:MI:SS" scope=spfile;
alter system set streams_pool_size=25M scope=spfile;--这个我没执行,理由是oracle自动分配了
alter system set utl_file_dir="*" scope=spfile;
alter system set open_links=4 scope=spfile;3 主从机设置归档 mout状态下alter database archivelog 另开启alter system set log_archive_start=true; 查看归档是否成功select recid, name, first_time from v$archived_log;4 主从机表空间和用户 create tablespace stream_tbs datafile "g:oracleoradata
manstream01.dbf" size 200m autoextend on extent management local uniform size 1m segment space management auto; 表空间已创建。 -- 创建streams管理用户,并授予dba权限 JSSWEB> create user test identified by test default tablespace stream_tbs; 用户已创建。 --将logminer的数据字典从system表空间转移到新建的表空间,防止撑满system表空间
execute dbms_logmnr_d.set_tablespace("tbs_stream");-- 由于streams用户操作需要较多权限,此处仅用于演示,简便期间直接授予dba权限 授权test管理用户JSSWEB> grant dba to test; begin
dbms_streams_auth.grant_admin_privilege(
grantee => "test",
grant_privileges => true);
end;
5 主从机表空间和用户 create tablespace stream_tbs datafile "d:oracleoradata
manstream01.dbf" size 200m autoextend on extent management local uniform size 1m segment space management auto; 表空间已创建。 -- 创建streams管理用户,并授予dba权限 JSSWEB> create user strmadmin identified by strmadmin default tablespace stream_tbs; 用户已创建。 --将logminer的数据字典从system表空间转移到新建的表空间,防止撑满system表空间
execute dbms_logmnr_d.set_tablespace("tbs_stream");-- 由于streams用户操作需要较多权限,此处仅用于演示,简便期间直接授予dba权限 授权test管理用户JSSWEB> grant dba to strmadmin ; begin
dbms_streams_auth.grant_admin_privilege(
grantee => "strmadmin",
grant_privileges => true);
end;
6 配置网络连接 主数据库(tnsnames.ora)中添加从数据库的配置。
RMAN =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.103)(PORT = 1521))
)
(CONNECT_DATA =
(SID = rman)
(SERVER = DEDICATED)
)
)
配置从环境tnsnames.ora
从数据库(tnsnames.ora)中添加主数据库的配置。
FORMAT =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.104)(PORT = 1521))
)
(CONNECT_DATA =
(SID = format)
(SERVER = DEDICATED)
)
)
7 创建database link 主:create database link format connect to strmadmin identified by strmadmin using "format"; 从:create database link rman connect to strmadmin identified by strmadmin using "rman "; 然后相互tnsping 或 select sysdate from dual@format/rman; 8 主库 exec dbms_streams_adm.set_up_queue(); 从库 exec dbms_streams_adm.set_up_queue(); 9 创建捕获规则 begin dbms_streams_adm.add_table_rules( table_name => "scott.emp", streams_type => "capture", streams_name =>"capture_stream", queue_name => "test.streams_queue", include_dml => true, include_ddl => true, inclusion_rule => true); end;
--创建传播规则 begin dbms_streams_adm.add_table_propagation_rules( table_name =>"scott.emp", streams_name => "sour_to_targ", source_queue_name =>"test.streams_queue", destination_queue_name => "strmadmin.streams_queue@format", include_dml => true, include_ddl => true, source_database =>"rman", inclusion_rule => true, queue_to_queue => true); end; select capture_name,status from dba_capture; CAPTURE_NAME STATUS ------------------------------ -------- CAPTURE_STREAM DISABLED
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