Oracle DG之--构建Physical Standby（一主库对应多备库）

Oracle DG之--构建Physical Standby（一主库对应多备库）

系统环境：

操作系统： RedHat EL6

Oracle: Oracle 10.2.0.1.0

如图所示，主库为bjdb（db_unique_name)，备库为shdb和gzdb。

案例分析：

一个主库，两个备库

主库初始化参数（pfile）：

[oracle@bjsrv dbs]$ cat initbj.ora

*.audit_file_dest='/u01/app/oracle/admin/prod/adump'*.background_dump_dest='/u01/app/oracle/admin/prod/bdump'*.compatible='10.2.0.1.0'*.control_files='/u01/app/oracle/oradata/prod/control01.ctl','/disk1/oradata/bj/control02.ctl','/disk2/oradata/bj/control03.ctl'*.core_dump_dest='/u01/app/oracle/admin/prod/cdump'*.db_block_size=8192*.db_domain=''*.db_file_multiblock_read_count=16*.DB_FILE_NAME_CONVERT='/u01/app/oracle/oradata/sh','/u01/app/oracle/oradata/prod','/u01/app/oracle/oradata/gz','/u01/app/oracle/oradata/prod'*.db_recovery_file_dest='/u01/app/oracle/flash_recovery_area'*.db_recovery_file_dest_size=2147483648*.instance_name='bj'*.job_queue_processes=10*.open_cursors=300*.pga_aggregate_target=94371840*.processes=150*.remote_login_passwordfile='EXCLUSIVE'*.sga_target=285212672*.undo_management='AUTO'*.undo_tablespace='UNDOTBS1'*.user_dump_dest='/u01/app/oracle/admin/prod/udump'

以下参数用于DG配置：

*.db_name='prod'*.DB_UNIQUE_NAME='bjdb'*.FAL_CLIENT='bjdb'*.FAL_SERVER='shdb','gzdb'*.LOG_ARCHIVE_CONFIG='DG_CONFIG=(bjdb,shdb,gzdb)'*.LOG_ARCHIVE_DEST_1='LOCATION=/disk3/arch_bj  VALID_FOR=(ALL_LOGFILES,ALL_ROLES)  DB_UNIQUE_NAME=bjdb'  *.LOG_ARCHIVE_DEST_2='SERVICE=shdb LGWR ASYNC  VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)   DB_UNIQUE_NAME=shdb'  *.LOG_ARCHIVE_DEST_3='SERVICE=gzdb LGWR ASYNC  VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)  DB_UNIQUE_NAME=gzdb'  *.LOG_ARCHIVE_DEST_STATE_1='ENABLE'*.LOG_ARCHIVE_DEST_STATE_2='ENABLE'*.LOG_ARCHIVE_DEST_STATE_3='ENABLE'*.log_archive_format='arch_%t_%s_%r.log'*.LOG_ARCHIVE_MAX_PROCESSES=3*.LOG_FILE_NAME_CONVERT='/disk1/oradata/sh','/disk1/oradata/bj','/disk2/oradata/sh','/disk2/oradata/bj','/disk1/oradata/gz','/disk1/oradata/bj','/disk2/oradata/gz','/disk2/oradata/bj'*.STANDBY_FILE_MANAGEMENT='AUTO'

备库初始化参数pfile（shdb）：

[oracle@shsrv dbs]$ cat initsh.ora *.audit_file_dest='/u01/app/oracle/admin/sh/adump'*.background_dump_dest='/u01/app/oracle/admin/sh/bdump'*.compatible='10.2.0.1.0'*.control_files='/u01/app/oracle/oradata/sh/std_control.ctl'*.core_dump_dest='/u01/app/oracle/admin/sh/cdump'*.db_block_size=8192*.db_domain=''*.db_file_multiblock_read_count=16*.DB_FILE_NAME_CONVERT='/u01/app/oracle/oradata/prod','/u01/app/oracle/oradata/sh','/u01/app/oracle/gz','/u01/app/oracle/oradata/sh'*.instance_name='sh'*.job_queue_processes=10*.open_cursors=300*.pga_aggregate_target=94371840*.processes=150*.remote_login_passwordfile='EXCLUSIVE'*.sga_target=285212672*.undo_management='AUTO'*.undo_tablespace='UNDOTBS1'*.user_dump_dest='/u01/app/oracle/admin/sh/udump'

以下参数用于DG配置：

*.db_name='prod'*.DB_UNIQUE_NAME='shdb'*.FAL_CLIENT='shdb'*.FAL_SERVER='bjdb','gzdb'*.LOG_ARCHIVE_CONFIG='DG_CONFIG=(bjdb,shdb,gzdb)'*.LOG_ARCHIVE_DEST_1='LOCATION=/disk3/arch_sh  VALID_FOR=(ALL_LOGFILES,ALL_ROLES)  DB_UNIQUE_NAME=shdb'  *.LOG_ARCHIVE_DEST_2='SERVICE=bjdb LGWR ASYNC  VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)   DB_UNIQUE_NAME=bjdb'  *.LOG_ARCHIVE_DEST_3='SERVICE=gzdb LGWR ASYNC  VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)  DB_UNIQUE_NAME=gzdb'  *.LOG_ARCHIVE_DEST_STATE_1='ENABLE'*.LOG_ARCHIVE_DEST_STATE_2='ENABLE'*.LOG_ARCHIVE_DEST_STATE_3='ENABLE'*.log_archive_format='arch_%t_%s_%r.log'*.LOG_ARCHIVE_MAX_PROCESSES=3*.LOG_FILE_NAME_CONVERT='/disk1/oradata/bj','/disk1/oradata/sh','/disk2/oradata/bj','/disk2/oradata/sh','/disk1/oradata/gz','/disk1/oradata/sh','/disk2/oradata/gz','/disk2/oradata/sh'*.STANDBY_FILE_MANAGEMENT='AUTO'

备库初始化参数pfile（gzdb）：

[oracle@gzsrv dbs]$ cat initgz.ora

*.audit_file_dest='/u01/app/oracle/admin/gz/adump'*.background_dump_dest='/u01/app/oracle/admin/gz/bdump'*.compatible='10.2.0.1.0'*.control_files='/u01/app/oracle/oradata/gz/gzstd_control.ctl'*.core_dump_dest='/u01/app/oracle/admin/gz/cdump'*.db_block_size=8192*.db_domain=''*.db_file_multiblock_read_count=16*.DB_FILE_NAME_CONVERT='/u01/app/oracle/oradata/prod','/u01/app/oracle/oradata/gz','/u01/app/oracle/oradata/sh','/u01/app/oracle/oradata/gz'*.open_cursors=300*.pga_aggregate_target=94371840*.processes=150*.remote_login_passwordfile='EXCLUSIVE'*.sga_target=285212672*.undo_management='AUTO'*.undo_tablespace='UNDOTBS1'*.user_dump_dest='/u01/app/oracle/admin/gz/udump'*.job_queue_processes=10

以下参数用于DG配置：

*.db_name='prod'*.DB_UNIQUE_NAME='gzdb'*.FAL_CLIENT='gzdb'*.FAL_SERVER='bjdb','shdb'*.instance_name='gz'*.LOG_ARCHIVE_CONFIG='DG_CONFIG=(bjdb,shdb,gzdb)'*.LOG_ARCHIVE_DEST_1='LOCATION=/disk3/arch_gz  VALID_FOR=(ALL_LOGFILES,ALL_ROLES)  DB_UNIQUE_NAME=gzdb'  *.LOG_ARCHIVE_DEST_2='SERVICE=bjdb LGWR ASYNC  VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)   DB_UNIQUE_NAME=bjdb'  *.LOG_ARCHIVE_DEST_3='SERVICE=shdb LGWR ASYNC  VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)  DB_UNIQUE_NAME=shdb'  *.LOG_ARCHIVE_DEST_STATE_1='ENABLE'*.LOG_ARCHIVE_DEST_STATE_2='ENABLE'*.LOG_ARCHIVE_DEST_STATE_3='ENABLE'*.log_archive_format='arch_%t_%s_%r.log'*.LOG_ARCHIVE_MAX_PROCESSES=3*.LOG_FILE_NAME_CONVERT='/disk1/oradata/bj','/disk1/oradata/gz','/disk2/oradata/bj','/disk2/oradata/gz','/disk1/oradata/sh','/disk1/oradata/gz','/disk2/oradata/sh','/disk2/oradata/gz'*.STANDBY_FILE_MANAGEMENT='AUTO'

---以上为构建一个主库2个Physical Standby的初始化参数，创建过程省略，可以参考：http://tiany.blog.51cto.com/513694/1583444《 Oracle DG之--构建Physical Standby》