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--主库
SQL> set linesize 1000
SQL> set pagesize 1000
SQL> col dest_name for a30
SQL> col db_unique_name for a20
SQL> SELECT DEST_NAME,ARCHIVED_THREAD#,ARCHIVED_SEQ#,APPLIED_THREAD#,APPLIED_SEQ#,DB_UNIQUE_NAME,STATUS FROM V$ARCHIVE_DEST_STATUS where rownum <3;
--备库
SQL> set linesize 1000
SQL> set pagesize 1000
SQL> col dest_name for a30
SQL> col db_unique_name for a20
SQL> SELECT DEST_NAME,ARCHIVED_THREAD#,ARCHIVED_SEQ#,APPLIED_THREAD#,APPLIED_SEQ#,DB_UNIQUE_NAME,STATUS FROM V$ARCHIVE_DEST_STATUS where rownum <3;
确认参数log_archive_dest_2
主库
SQL> show parameter log_archive_dest_2;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest_2 string service=fpyjbak sync lgwr vali
d_for=(online_logfiles,primary
_role) db_unique_name=fpyjbak
备库:
SQL> show parameter log_archive_dest_2;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest_2 string service=fpyj sync lgwr valid_f
or=(all_logfiles,all_roles) db
_unique_name=fpyj
修改备库参数
SQL> alter system set log_archive_dest_2 ='service=fpyj sync lgwr valid_for=(online_logfiles,primary_role) db_unique_name=fpyj' scope=spfile;
System altered.
--------------------------------主库备库参数篇--------------------------------------------
db_name | db_unique_name | global_names | instance_name | service_names | |
主库 | fpyj | fpyj | fpyj | fpyj | fpyj |
备库 | fpyj | Fpyjbak | Fpyj | fpyj | fpyj |
主库:
备库:
主库初始化参数
fpyj.__db_cache_size=5200936960 fpyj.__java_pool_size=67108864 fpyj.__large_pool_size=83886080 fpyj.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment fpyj.__pga_aggregate_target=2147483648 fpyj.__sga_target=6442450944 fpyj.__shared_io_pool_size=0 fpyj.__shared_pool_size=1040187392 fpyj.__streams_pool_size=0 *.audit_file_dest='/u01/app/oracle/admin/fpyj/adump' *.audit_trail='db' *.compatible='11.2.0.4.0' *.control_files='/oradata/fpyj/controlfile/control01.ctl','/oradata/fpyj/controlfile/control02.ctl' *.db_block_size=8192 *.db_domain='' *.db_file_name_convert='/oradata/fpyj/datafile','/oradata/fpyj/datafile' *.db_name='fpyj' *.diagnostic_dest='/u01/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=fpyjXDB)' *.fal_client='FPYJ' *.fal_server='FPYJBAK' *.log_archive_config='DG_CONFIG=(fpyj,fpyjbak)' *.log_archive_dest_1='LOCATION=/oradata/fpyj/arch_dir VALID_FOR=(all_logfiles,all_roles) db_unique_name=fpyj' *.log_archive_dest_2='service=fpyjbak sync lgwr valid_for=(online_logfiles,primary_role) db_unique_name=fpyjbak' *.log_archive_dest_state_1='ENABLE' *.log_archive_dest_state_2='ENABLE' *.log_archive_max_processes=10 *.log_file_name_convert='/oradata/fpyj/logfile','/oradata/fpyj/logfile' *.open_cursors=300 *.pga_aggregate_target=2147483648 *.processes=150 *.remote_login_passwordfile='EXCLUSIVE' *.sga_target=6442450944 *.undo_tablespace='UNDOTBS1' |
备库初始化参数
fpyj.__db_cache_size=5200936960 fpyj.__java_pool_size=67108864 fpyj.__large_pool_size=83886080 fpyj.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment fpyj.__pga_aggregate_target=2147483648 fpyj.__sga_target=6442450944 fpyj.__shared_io_pool_size=0 fpyj.__shared_pool_size=1040187392 fpyj.__streams_pool_size=0 *.audit_file_dest='/u01/app/oracle/admin/fpyj/adump' *.audit_trail='db' *.compatible='11.2.0.4.0' *.control_files='/oradata/fpyj/controlfile/control01.ctl' *.db_block_size=8192 *.db_domain='' *.db_file_name_convert='/oradata/fpyj/datafile','/oradata/fpyj/datafile' *.db_name='fpyj' *.db_unique_name='FPYJBAK' *.diagnostic_dest='/u01/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=fpyjXDB)' *.fal_client='FPYJBAK' *.fal_server='FPYJ' *.log_archive_config='DG_CONFIG=(fpyj,fpyjbak)' *.log_archive_dest_1='location=/oradata/fpyj/logfile valid_for=(all_logfiles,all_roles) db_unique_name=fpyjbak' *.log_archive_dest_2='service=fpyj sync lgwr valid_for=(online_logfiles,primary_role) db_unique_name=fpyj' *.log_archive_dest_state_1='ENABLE' *.log_archive_dest_state_2='ENABLE' *.log_archive_max_processes=10 *.log_file_name_convert='/oradata/fpyj/logfile','/oradata/fpyj/logfile' *.open_cursors=300 *.pga_aggregate_target=2147483648 *.processes=150 *.remote_login_passwordfile='EXCLUSIVE' *.service_names='FPYJ' *.sga_max_size=8053063680 *.sga_target=6442450944 *.standby_file_management='auto' *.undo_tablespace='UNDOTBS1' |
duplicate.sql脚本如下:
文本如下: duplicate target database for standby nofilenamecheck from active database dorecover spfile set db_unique_name='fpyj' set log_archive_dest_1='location=/oradata/fpyj/logfile valid_for=(all_logfiles,all_roles) db_unique_name=fpyj' set log_archive_dest_2='service=fpyj197 sync lgwr valid_for=(online_logfiles,primary_role) db_unique_name=fpyj' set standby_file_management='auto' #set service_name='fpyj' set fal_server='fpyj197' set fal_client='fpyj26' set control_files='/oradata/fpyj/controlfile/control01.ctl' #set memory_target='4400m' set sga_max_size='8053063680' set diagnostic_dest='/u01/app/oracle' set audit_file_dest='/u01/app/oracle/admin/fpyj/adump' set DB_FILE_NAME_CONVERT='/oradata/fpyj/datafile','/oradata/fpyj/datafile' set LOG_FILE_NAME_CONVERT='/oradata/fpyj/logfile','/oradata/fpyj/logfile';
备库的service_name 变为 fpyjbak,和主库不符。 不可取 |
备库的service_name 仍为 fpyj,和主库相符。 可取 |
检查主、备库同步状态及日志的应用状态
col dest_name for a20 col status for a8 col database_mode for a15 col recovery_mode for a15 col protection_mode for a20 col destination for a15 col sdb_log_count for 99999 col sdb_log_act for 99999 col archived_seq# for 99999 col applied_seq# for 99999 col error for a20 select dest_id, dest_name, status,database_mode,recovery_mode ,protection_mode ,destination ,standby_logfile_count sdb_log_count, standby_logfile_active sdb_log_act ,archived_seq# sdb_log_act,applied_seq# ,error , synchronization_status sync_status , gap_status from v$archive_dest_status where rownum <3; |