配置数据网络
1. 配置监听
[root@pdg ~]# su - grid
[grid@pdg ~]$ vim /oracle/19.0.0/grid/network/admin/listener.ora
LISTENER_DG =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.11)(PORT = 1525))
)
)
)
SID_LIST_LISTENER_DG =
(SID_LIST =
(SID_DESC =
(ORACLE_HOME = /oracle/app/oracle/product/19.0.0/dbhome_1)
(SID_NAME = test)
(GLOBAL_DBNAME = test)
)
)
lsnrctl start LISTENER_DG
lsnrctl status LISTENER_DG
LISTENER_DG =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.21)(PORT = 1525))
)
)
)
SID_LIST_LISTENER_DG =
(SID_LIST =
(SID_DESC =
(ORACLE_HOME = /oracle/app/oracle/product/19.0.0/dbhome_1)
(SID_NAME = test)
(GLOBAL_DBNAME = test)
)
)
lsnrctl start LISTENER_DG
lsnrctl status LISTENER_DG
[root@pdg ~]# su - oracle
[oracle@pdg ~]$ vim /oracle/app/oracle/product/19.0.0/dbhome_1/network/admin/tnsnames.ora
pdg =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.11)(PORT = 1525))
)
(CONNECT_DATA =
(SERVICE_NAME = test)
)
)
sdg =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.21)(PORT = 1525))
)
(CONNECT_DATA =
(SERVICE_NAME = test)
(UR=A)
)
)
[root@sdg ~]# su – oracle
[oracle@sdg ~]$ vim /oracle/app/oracle/product/19.0.0/dbhome_1/network/admin/tnsnames.ora
pdg =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.11)(PORT = 1525))
)
(CONNECT_DATA =
(SERVICE_NAME = test)
)
)
sdg =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.21)(PORT = 1525))
)
(CONNECT_DATA =
(SERVICE_NAME = test)
(UR=A)
)
)
tnsping pdg
tnsping sdg
注:配置数据网络时提前配置好第二张网卡。
主库配置
SQL> shutdown immediate;
SQL> startup mount;
SQL> alter system set log_archive_dest_1=location=+data/arch;
SQL> alter database archivelog;
SQL> alter database open;
SQL> select name,log_mode,force_logging from v$database;
NAME LOG_MODE FORCE_LOGGING
--------- ------------ ---------------------------------------
TEST ARCHIVELOG NO
SQL> alter database force logging;
Database altered.
SQL> select name,log_mode,force_logging from v$database;
NAME LOG_MODE FORCE_LOGGING
--------- ------------ ---------------------------------------
TEST ARCHIVELOG YES
alter database add standby logfile group 11 +data/test/onlinelog/stb01.log size 200M;
alter database add standby logfile group 12 +data/test/onlinelog/stb02.log size 200M;
alter database add standby logfile group 13 +data/test/onlinelog/stb03.log size 200M;
alter database add standby logfile group 14 +data/test/onlinelog/stb04.log size 200M;
SQL> select group#,bytes/1024/1024 from v$standby_log;
alter system set db_unique_name=test scope=spfile;
alter system set log_archive_config=dg_config=(test,sdg);
alter system set log_archive_dest_1=LOCATION=+data/arch valid_for=(all_logfiles,all_roles) db_unique_name=test;
alter system set log_archive_dest_2=service=sdg lgwr sync valid_for=(online_logfile,primary_role) db_unique_name=sdg;
alter system set log_archive_dest_state_1=enable;
alter system set log_archive_dest_state_2=enable;
alter system set fal_client=test;
alter system set fal_server=sdg;
alter system set standby_file_management=AUTO;
alter system set db_file_name_convert=+data/test/adg,+data/test/adgscope=spfile;
alter system set log_file_name_convert=+data/test/adg,+data/test/adgscope=spfile;
create pfile=/oracle/app/oracle/product/19.0.0/dbhome_1/dbs/pfile.ora
scp pfile.ora oracle@192.168.168.21: /oracle/app/oracle/product/19.0.0/dbhome_1/dbs/pfile.ora
scp orapwtest oracle@192.168.168.21: /oracle/app/oracle/product/19.0.0/dbhome_1/dbs/orapwtest
备库操作
*.db_file_name_convert=+data/test,+data/test
*.db_name=test
*.db_unique_name=sdg
*.fal_client=sdg
*.fal_server=test
*.log_archive_config=dg_config=(sdg,test)
*.log_archive_dest_1=LOCATION=+data/arch valid_for=(all_logfiles,all_roles) db_unique_name=sdg
*.log_archive_dest_2=service=test lgwr sync valid_for=(online_logfile,primary_role) db_unique_name=test
*.log_archive_dest_state_1=enable
*.log_archive_dest_state_2=enable
*.log_file_name_convert=+data/test,+data/test
SQL> startup nomount pfile=/oracle/app/oracle/product/19.0.0/dbhome_1/dbs/pfile.ora;
ORACLE instance started.
Total System Global Area 2516581464 bytes
Fixed Size 8899672 bytes
Variable Size 536870912 bytes
Database Buffers 1962934272 bytes
Redo Buffers 7876608 bytes
[oracle@sdg dbs]$ rman target=sys/oracle@pdg auxiliary sys/oracle@sdg
duplicate target database for standby nofilenamecheck from active database;
启动备库
alter database recover managed standby database disconnect from session;
recover managed standby database cancel;
alter database open;
ALTER DATABASE recover managed standby database using current logfile disconnect;
SQL> select database_role,open_mode,switchover_status from v$database;
DATABASE_ROLE OPEN_MODE SWITCHOVER_STATUS
---------------- -------------------- --------------------
PHYSICAL STANDBY READ ONLY NOT ALLOWED
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